Initial creation

74 files changed, 11220 insertions, 0 deletions

diff --git a/src/libtomcrypt/src/hashes/hash_memory.c b/src/libtomcrypt/src/hashes/hash_memory.c
new file mode 100644
index 0000000..1daf0bf
--- /dev/null
+++ b/src/libtomcrypt/src/hashes/hash_memory.c
@@ -0,0 +1,69 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../headers/tomcrypt.h"
+
+/**
+  @file hash_memory.c
+  Hash memory helper, Tom St Denis
+*/
+
+/**
+  Hash a block of memory and store the digest.
+  @param hash   The index of the hash you wish to use
+  @param in     The data you wish to hash
+  @param inlen  The length of the data to hash (octets)
+  @param out    [out] Where to store the digest
+  @param outlen [in/out] Max size and resulting size of the digest
+  @return CRYPT_OK if successful
+*/
+int hash_memory(int hash, const unsigned char *in, unsigned long inlen, unsigned char *out, unsigned long *outlen)
+{
+    hash_state *md;
+    int err;
+
+    LTC_ARGCHK(in     != NULL);
+    LTC_ARGCHK(out    != NULL);
+    LTC_ARGCHK(outlen != NULL);
+
+    if ((err = hash_is_valid(hash)) != CRYPT_OK) {
+        return err;
+    }
+
+    if (*outlen < hash_descriptor[hash].hashsize) {
+       *outlen = hash_descriptor[hash].hashsize;
+       return CRYPT_BUFFER_OVERFLOW;
+    }
+
+    md = XMALLOC(sizeof(hash_state));
+    if (md == NULL) {
+       return CRYPT_MEM;
+    }
+
+    if ((err = hash_descriptor[hash].init(md)) != CRYPT_OK) {
+       goto LBL_ERR;
+    }
+    if ((err = hash_descriptor[hash].process(md, in, inlen)) != CRYPT_OK) {
+       goto LBL_ERR;
+    }
+    err = hash_descriptor[hash].done(md, out);
+    *outlen = hash_descriptor[hash].hashsize;
+LBL_ERR:
+#ifdef LTC_CLEAN_STACK
+    zeromem(md, sizeof(hash_state));
+#endif
+    XFREE(md);
+
+    return err;
+}
+
+/* $Source: /cvs/libtom/libtomcrypt/src/hashes/helper/hash_memory.c,v $ */
+/* $Revision: 1.6 $ */
+/* $Date: 2006/12/28 01:27:23 $ */
diff --git a/src/libtomcrypt/src/hashes/md5.c b/src/libtomcrypt/src/hashes/md5.c
new file mode 100644
index 0000000..4cbd000
--- /dev/null
+++ b/src/libtomcrypt/src/hashes/md5.c
@@ -0,0 +1,368 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../headers/tomcrypt.h"
+
+
+/**
+  @file md5.c
+  LTC_MD5 hash function by Tom St Denis 
+*/
+
+#ifdef LTC_MD5
+
+const struct ltc_hash_descriptor md5_desc =
+{
+    "md5",
+    3,
+    16,
+    64,
+
+    /* OID */
+   { 1, 2, 840, 113549, 2, 5,  },
+   6,
+
+    &md5_init,
+    &md5_process,
+    &md5_done,
+    &md5_test,
+    NULL
+};
+
+#define F(x,y,z)  (z ^ (x & (y ^ z)))
+#define G(x,y,z)  (y ^ (z & (y ^ x)))
+#define H(x,y,z)  (x^y^z)
+#define I(x,y,z)  (y^(x|(~z)))
+
+#ifdef LTC_SMALL_CODE
+
+#define FF(a,b,c,d,M,s,t) \
+    a = (a + F(b,c,d) + M + t); a = ROL(a, s) + b;
+
+#define GG(a,b,c,d,M,s,t) \
+    a = (a + G(b,c,d) + M + t); a = ROL(a, s) + b;
+
+#define HH(a,b,c,d,M,s,t) \
+    a = (a + H(b,c,d) + M + t); a = ROL(a, s) + b;
+
+#define II(a,b,c,d,M,s,t) \
+    a = (a + I(b,c,d) + M + t); a = ROL(a, s) + b;
+
+static const unsigned char Worder[64] = {
+   0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
+   1,6,11,0,5,10,15,4,9,14,3,8,13,2,7,12,
+   5,8,11,14,1,4,7,10,13,0,3,6,9,12,15,2,
+   0,7,14,5,12,3,10,1,8,15,6,13,4,11,2,9
+};
+
+static const unsigned char Rorder[64] = {
+   7,12,17,22,7,12,17,22,7,12,17,22,7,12,17,22,
+   5,9,14,20,5,9,14,20,5,9,14,20,5,9,14,20,
+   4,11,16,23,4,11,16,23,4,11,16,23,4,11,16,23,
+   6,10,15,21,6,10,15,21,6,10,15,21,6,10,15,21
+};
+
+static const ulong32 Korder[64] = {
+0xd76aa478UL, 0xe8c7b756UL, 0x242070dbUL, 0xc1bdceeeUL, 0xf57c0fafUL, 0x4787c62aUL, 0xa8304613UL, 0xfd469501UL,
+0x698098d8UL, 0x8b44f7afUL, 0xffff5bb1UL, 0x895cd7beUL, 0x6b901122UL, 0xfd987193UL, 0xa679438eUL, 0x49b40821UL,
+0xf61e2562UL, 0xc040b340UL, 0x265e5a51UL, 0xe9b6c7aaUL, 0xd62f105dUL, 0x02441453UL, 0xd8a1e681UL, 0xe7d3fbc8UL,
+0x21e1cde6UL, 0xc33707d6UL, 0xf4d50d87UL, 0x455a14edUL, 0xa9e3e905UL, 0xfcefa3f8UL, 0x676f02d9UL, 0x8d2a4c8aUL,
+0xfffa3942UL, 0x8771f681UL, 0x6d9d6122UL, 0xfde5380cUL, 0xa4beea44UL, 0x4bdecfa9UL, 0xf6bb4b60UL, 0xbebfbc70UL,
+0x289b7ec6UL, 0xeaa127faUL, 0xd4ef3085UL, 0x04881d05UL, 0xd9d4d039UL, 0xe6db99e5UL, 0x1fa27cf8UL, 0xc4ac5665UL,
+0xf4292244UL, 0x432aff97UL, 0xab9423a7UL, 0xfc93a039UL, 0x655b59c3UL, 0x8f0ccc92UL, 0xffeff47dUL, 0x85845dd1UL,
+0x6fa87e4fUL, 0xfe2ce6e0UL, 0xa3014314UL, 0x4e0811a1UL, 0xf7537e82UL, 0xbd3af235UL, 0x2ad7d2bbUL, 0xeb86d391UL
+};
+
+#else
+
+#define FF(a,b,c,d,M,s,t) \
+    a = (a + F(b,c,d) + M + t); a = ROLc(a, s) + b;
+
+#define GG(a,b,c,d,M,s,t) \
+    a = (a + G(b,c,d) + M + t); a = ROLc(a, s) + b;
+
+#define HH(a,b,c,d,M,s,t) \
+    a = (a + H(b,c,d) + M + t); a = ROLc(a, s) + b;
+
+#define II(a,b,c,d,M,s,t) \
+    a = (a + I(b,c,d) + M + t); a = ROLc(a, s) + b;
+
+
+#endif   
+
+#ifdef LTC_CLEAN_STACK
+static int _md5_compress(hash_state *md, unsigned char *buf)
+#else
+static int  md5_compress(hash_state *md, unsigned char *buf)
+#endif
+{
+    ulong32 i, W[16], a, b, c, d;
+#ifdef LTC_SMALL_CODE
+    ulong32 t;
+#endif
+
+    /* copy the state into 512-bits into W[0..15] */
+    for (i = 0; i < 16; i++) {
+        LOAD32L(W[i], buf + (4*i));
+    }
+ 
+    /* copy state */
+    a = md->md5.state[0];
+    b = md->md5.state[1];
+    c = md->md5.state[2];
+    d = md->md5.state[3];
+
+#ifdef LTC_SMALL_CODE
+    for (i = 0; i < 16; ++i) {
+        FF(a,b,c,d,W[Worder[i]],Rorder[i],Korder[i]);
+        t = d; d = c; c = b; b = a; a = t;
+    }
+
+    for (; i < 32; ++i) {
+        GG(a,b,c,d,W[Worder[i]],Rorder[i],Korder[i]);
+        t = d; d = c; c = b; b = a; a = t;
+    }
+
+    for (; i < 48; ++i) {
+        HH(a,b,c,d,W[Worder[i]],Rorder[i],Korder[i]);
+        t = d; d = c; c = b; b = a; a = t;
+    }
+
+    for (; i < 64; ++i) {
+        II(a,b,c,d,W[Worder[i]],Rorder[i],Korder[i]);
+        t = d; d = c; c = b; b = a; a = t;
+    }
+
+#else
+    FF(a,b,c,d,W[0],7,0xd76aa478UL)
+    FF(d,a,b,c,W[1],12,0xe8c7b756UL)
+    FF(c,d,a,b,W[2],17,0x242070dbUL)
+    FF(b,c,d,a,W[3],22,0xc1bdceeeUL)
+    FF(a,b,c,d,W[4],7,0xf57c0fafUL)
+    FF(d,a,b,c,W[5],12,0x4787c62aUL)
+    FF(c,d,a,b,W[6],17,0xa8304613UL)
+    FF(b,c,d,a,W[7],22,0xfd469501UL)
+    FF(a,b,c,d,W[8],7,0x698098d8UL)
+    FF(d,a,b,c,W[9],12,0x8b44f7afUL)
+    FF(c,d,a,b,W[10],17,0xffff5bb1UL)
+    FF(b,c,d,a,W[11],22,0x895cd7beUL)
+    FF(a,b,c,d,W[12],7,0x6b901122UL)
+    FF(d,a,b,c,W[13],12,0xfd987193UL)
+    FF(c,d,a,b,W[14],17,0xa679438eUL)
+    FF(b,c,d,a,W[15],22,0x49b40821UL)
+    GG(a,b,c,d,W[1],5,0xf61e2562UL)
+    GG(d,a,b,c,W[6],9,0xc040b340UL)
+    GG(c,d,a,b,W[11],14,0x265e5a51UL)
+    GG(b,c,d,a,W[0],20,0xe9b6c7aaUL)
+    GG(a,b,c,d,W[5],5,0xd62f105dUL)
+    GG(d,a,b,c,W[10],9,0x02441453UL)
+    GG(c,d,a,b,W[15],14,0xd8a1e681UL)
+    GG(b,c,d,a,W[4],20,0xe7d3fbc8UL)
+    GG(a,b,c,d,W[9],5,0x21e1cde6UL)
+    GG(d,a,b,c,W[14],9,0xc33707d6UL)
+    GG(c,d,a,b,W[3],14,0xf4d50d87UL)
+    GG(b,c,d,a,W[8],20,0x455a14edUL)
+    GG(a,b,c,d,W[13],5,0xa9e3e905UL)
+    GG(d,a,b,c,W[2],9,0xfcefa3f8UL)
+    GG(c,d,a,b,W[7],14,0x676f02d9UL)
+    GG(b,c,d,a,W[12],20,0x8d2a4c8aUL)
+    HH(a,b,c,d,W[5],4,0xfffa3942UL)
+    HH(d,a,b,c,W[8],11,0x8771f681UL)
+    HH(c,d,a,b,W[11],16,0x6d9d6122UL)
+    HH(b,c,d,a,W[14],23,0xfde5380cUL)
+    HH(a,b,c,d,W[1],4,0xa4beea44UL)
+    HH(d,a,b,c,W[4],11,0x4bdecfa9UL)
+    HH(c,d,a,b,W[7],16,0xf6bb4b60UL)
+    HH(b,c,d,a,W[10],23,0xbebfbc70UL)
+    HH(a,b,c,d,W[13],4,0x289b7ec6UL)
+    HH(d,a,b,c,W[0],11,0xeaa127faUL)
+    HH(c,d,a,b,W[3],16,0xd4ef3085UL)
+    HH(b,c,d,a,W[6],23,0x04881d05UL)
+    HH(a,b,c,d,W[9],4,0xd9d4d039UL)
+    HH(d,a,b,c,W[12],11,0xe6db99e5UL)
+    HH(c,d,a,b,W[15],16,0x1fa27cf8UL)
+    HH(b,c,d,a,W[2],23,0xc4ac5665UL)
+    II(a,b,c,d,W[0],6,0xf4292244UL)
+    II(d,a,b,c,W[7],10,0x432aff97UL)
+    II(c,d,a,b,W[14],15,0xab9423a7UL)
+    II(b,c,d,a,W[5],21,0xfc93a039UL)
+    II(a,b,c,d,W[12],6,0x655b59c3UL)
+    II(d,a,b,c,W[3],10,0x8f0ccc92UL)
+    II(c,d,a,b,W[10],15,0xffeff47dUL)
+    II(b,c,d,a,W[1],21,0x85845dd1UL)
+    II(a,b,c,d,W[8],6,0x6fa87e4fUL)
+    II(d,a,b,c,W[15],10,0xfe2ce6e0UL)
+    II(c,d,a,b,W[6],15,0xa3014314UL)
+    II(b,c,d,a,W[13],21,0x4e0811a1UL)
+    II(a,b,c,d,W[4],6,0xf7537e82UL)
+    II(d,a,b,c,W[11],10,0xbd3af235UL)
+    II(c,d,a,b,W[2],15,0x2ad7d2bbUL)
+    II(b,c,d,a,W[9],21,0xeb86d391UL)
+#endif
+
+    md->md5.state[0] = md->md5.state[0] + a;
+    md->md5.state[1] = md->md5.state[1] + b;
+    md->md5.state[2] = md->md5.state[2] + c;
+    md->md5.state[3] = md->md5.state[3] + d;
+
+    return CRYPT_OK;
+}
+
+#ifdef LTC_CLEAN_STACK
+static int md5_compress(hash_state *md, unsigned char *buf)
+{
+   int err;
+   err = _md5_compress(md, buf);
+   burn_stack(sizeof(ulong32) * 21);
+   return err;
+}
+#endif
+
+/**
+   Initialize the hash state
+   @param md   The hash state you wish to initialize
+   @return CRYPT_OK if successful
+*/
+int md5_init(hash_state * md)
+{
+   LTC_ARGCHK(md != NULL);
+   md->md5.state[0] = 0x67452301UL;
+   md->md5.state[1] = 0xefcdab89UL;
+   md->md5.state[2] = 0x98badcfeUL;
+   md->md5.state[3] = 0x10325476UL;
+   md->md5.curlen = 0;
+   md->md5.length = 0;
+   return CRYPT_OK;
+}
+
+/**
+   Process a block of memory though the hash
+   @param md     The hash state
+   @param in     The data to hash
+   @param inlen  The length of the data (octets)
+   @return CRYPT_OK if successful
+*/
+HASH_PROCESS(md5_process, md5_compress, md5, 64)
+
+/**
+   Terminate the hash to get the digest
+   @param md  The hash state
+   @param out [out] The destination of the hash (16 bytes)
+   @return CRYPT_OK if successful
+*/
+int md5_done(hash_state * md, unsigned char *out)
+{
+    int i;
+
+    LTC_ARGCHK(md  != NULL);
+    LTC_ARGCHK(out != NULL);
+
+    if (md->md5.curlen >= sizeof(md->md5.buf)) {
+       return CRYPT_INVALID_ARG;
+    }
+
+
+    /* increase the length of the message */
+    md->md5.length += md->md5.curlen * 8;
+
+    /* append the '1' bit */
+    md->md5.buf[md->md5.curlen++] = (unsigned char)0x80;
+
+    /* if the length is currently above 56 bytes we append zeros
+     * then compress.  Then we can fall back to padding zeros and length
+     * encoding like normal.
+     */
+    if (md->md5.curlen > 56) {
+        while (md->md5.curlen < 64) {
+            md->md5.buf[md->md5.curlen++] = (unsigned char)0;
+        }
+        md5_compress(md, md->md5.buf);
+        md->md5.curlen = 0;
+    }
+
+    /* pad upto 56 bytes of zeroes */
+    while (md->md5.curlen < 56) {
+        md->md5.buf[md->md5.curlen++] = (unsigned char)0;
+    }
+
+    /* store length */
+    STORE64L(md->md5.length, md->md5.buf+56);
+    md5_compress(md, md->md5.buf);
+
+    /* copy output */
+    for (i = 0; i < 4; i++) {
+        STORE32L(md->md5.state[i], out+(4*i));
+    }
+#ifdef LTC_CLEAN_STACK
+    zeromem(md, sizeof(hash_state));
+#endif
+    return CRYPT_OK;
+}
+
+/**
+  Self-test the hash
+  @return CRYPT_OK if successful, CRYPT_NOP if self-tests have been disabled
+*/  
+int  md5_test(void)
+{
+ #ifndef LTC_TEST
+    return CRYPT_NOP;
+ #else    
+  static const struct {
+      char *msg;
+      unsigned char hash[16];
+  } tests[] = {
+    { "",
+      { 0xd4, 0x1d, 0x8c, 0xd9, 0x8f, 0x00, 0xb2, 0x04, 
+        0xe9, 0x80, 0x09, 0x98, 0xec, 0xf8, 0x42, 0x7e } },
+    { "a",
+      {0x0c, 0xc1, 0x75, 0xb9, 0xc0, 0xf1, 0xb6, 0xa8, 
+       0x31, 0xc3, 0x99, 0xe2, 0x69, 0x77, 0x26, 0x61 } },
+    { "abc",
+      { 0x90, 0x01, 0x50, 0x98, 0x3c, 0xd2, 0x4f, 0xb0, 
+        0xd6, 0x96, 0x3f, 0x7d, 0x28, 0xe1, 0x7f, 0x72 } },
+    { "message digest", 
+      { 0xf9, 0x6b, 0x69, 0x7d, 0x7c, 0xb7, 0x93, 0x8d, 
+        0x52, 0x5a, 0x2f, 0x31, 0xaa, 0xf1, 0x61, 0xd0 } }, 
+    { "abcdefghijklmnopqrstuvwxyz",
+      { 0xc3, 0xfc, 0xd3, 0xd7, 0x61, 0x92, 0xe4, 0x00, 
+        0x7d, 0xfb, 0x49, 0x6c, 0xca, 0x67, 0xe1, 0x3b } },
+    { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
+      { 0xd1, 0x74, 0xab, 0x98, 0xd2, 0x77, 0xd9, 0xf5, 
+        0xa5, 0x61, 0x1c, 0x2c, 0x9f, 0x41, 0x9d, 0x9f } },
+    { "12345678901234567890123456789012345678901234567890123456789012345678901234567890",
+      { 0x57, 0xed, 0xf4, 0xa2, 0x2b, 0xe3, 0xc9, 0x55, 
+        0xac, 0x49, 0xda, 0x2e, 0x21, 0x07, 0xb6, 0x7a } }, 
+    { NULL, { 0 } }
+  };
+
+  int i;
+  unsigned char tmp[16];
+  hash_state md;
+
+  for (i = 0; tests[i].msg != NULL; i++) {
+      md5_init(&md);
+      md5_process(&md, (unsigned char *)tests[i].msg, (unsigned long)strlen(tests[i].msg));
+      md5_done(&md, tmp);
+      if (XMEMCMP(tmp, tests[i].hash, 16) != 0) {
+         return CRYPT_FAIL_TESTVECTOR;
+      }
+  }
+  return CRYPT_OK;
+ #endif
+}
+
+#endif
+
+
+
+/* $Source: /cvs/libtom/libtomcrypt/src/hashes/md5.c,v $ */
+/* $Revision: 1.10 $ */
+/* $Date: 2007/05/12 14:25:28 $ */
diff --git a/src/libtomcrypt/src/hashes/sha1.c b/src/libtomcrypt/src/hashes/sha1.c
new file mode 100644
index 0000000..409d095
--- /dev/null
+++ b/src/libtomcrypt/src/hashes/sha1.c
@@ -0,0 +1,288 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../headers/tomcrypt.h"
+
+/**
+  @file sha1.c
+  LTC_SHA1 code by Tom St Denis 
+*/
+
+
+#ifdef LTC_SHA1
+
+const struct ltc_hash_descriptor sha1_desc =
+{
+    "sha1",
+    2,
+    20,
+    64,
+
+    /* OID */
+   { 1, 3, 14, 3, 2, 26,  },
+   6,
+
+    &sha1_init,
+    &sha1_process,
+    &sha1_done,
+    &sha1_test,
+    NULL
+};
+
+#define F0(x,y,z)  (z ^ (x & (y ^ z)))
+#define F1(x,y,z)  (x ^ y ^ z)
+#define F2(x,y,z)  ((x & y) | (z & (x | y)))
+#define F3(x,y,z)  (x ^ y ^ z)
+
+#ifdef LTC_CLEAN_STACK
+static int _sha1_compress(hash_state *md, unsigned char *buf)
+#else
+static int  sha1_compress(hash_state *md, unsigned char *buf)
+#endif
+{
+    ulong32 a,b,c,d,e,W[80],i;
+#ifdef LTC_SMALL_CODE
+    ulong32 t;
+#endif
+
+    /* copy the state into 512-bits into W[0..15] */
+    for (i = 0; i < 16; i++) {
+        LOAD32H(W[i], buf + (4*i));
+    }
+
+    /* copy state */
+    a = md->sha1.state[0];
+    b = md->sha1.state[1];
+    c = md->sha1.state[2];
+    d = md->sha1.state[3];
+    e = md->sha1.state[4];
+
+    /* expand it */
+    for (i = 16; i < 80; i++) {
+        W[i] = ROL(W[i-3] ^ W[i-8] ^ W[i-14] ^ W[i-16], 1); 
+    }
+
+    /* compress */
+    /* round one */
+    #define FF0(a,b,c,d,e,i) e = (ROLc(a, 5) + F0(b,c,d) + e + W[i] + 0x5a827999UL); b = ROLc(b, 30);
+    #define FF1(a,b,c,d,e,i) e = (ROLc(a, 5) + F1(b,c,d) + e + W[i] + 0x6ed9eba1UL); b = ROLc(b, 30);
+    #define FF2(a,b,c,d,e,i) e = (ROLc(a, 5) + F2(b,c,d) + e + W[i] + 0x8f1bbcdcUL); b = ROLc(b, 30);
+    #define FF3(a,b,c,d,e,i) e = (ROLc(a, 5) + F3(b,c,d) + e + W[i] + 0xca62c1d6UL); b = ROLc(b, 30);
+ 
+#ifdef LTC_SMALL_CODE
+ 
+    for (i = 0; i < 20; ) {
+       FF0(a,b,c,d,e,i++); t = e; e = d; d = c; c = b; b = a; a = t;
+    }
+
+    for (; i < 40; ) {
+       FF1(a,b,c,d,e,i++); t = e; e = d; d = c; c = b; b = a; a = t;
+    }
+
+    for (; i < 60; ) {
+       FF2(a,b,c,d,e,i++); t = e; e = d; d = c; c = b; b = a; a = t;
+    }
+
+    for (; i < 80; ) {
+       FF3(a,b,c,d,e,i++); t = e; e = d; d = c; c = b; b = a; a = t;
+    }
+
+#else
+
+    for (i = 0; i < 20; ) {
+       FF0(a,b,c,d,e,i++);
+       FF0(e,a,b,c,d,i++);
+       FF0(d,e,a,b,c,i++);
+       FF0(c,d,e,a,b,i++);
+       FF0(b,c,d,e,a,i++);
+    }
+
+    /* round two */
+    for (; i < 40; )  { 
+       FF1(a,b,c,d,e,i++);
+       FF1(e,a,b,c,d,i++);
+       FF1(d,e,a,b,c,i++);
+       FF1(c,d,e,a,b,i++);
+       FF1(b,c,d,e,a,i++);
+    }
+
+    /* round three */
+    for (; i < 60; )  { 
+       FF2(a,b,c,d,e,i++);
+       FF2(e,a,b,c,d,i++);
+       FF2(d,e,a,b,c,i++);
+       FF2(c,d,e,a,b,i++);
+       FF2(b,c,d,e,a,i++);
+    }
+
+    /* round four */
+    for (; i < 80; )  { 
+       FF3(a,b,c,d,e,i++);
+       FF3(e,a,b,c,d,i++);
+       FF3(d,e,a,b,c,i++);
+       FF3(c,d,e,a,b,i++);
+       FF3(b,c,d,e,a,i++);
+    }
+#endif
+
+    #undef FF0
+    #undef FF1
+    #undef FF2
+    #undef FF3
+
+    /* store */
+    md->sha1.state[0] = md->sha1.state[0] + a;
+    md->sha1.state[1] = md->sha1.state[1] + b;
+    md->sha1.state[2] = md->sha1.state[2] + c;
+    md->sha1.state[3] = md->sha1.state[3] + d;
+    md->sha1.state[4] = md->sha1.state[4] + e;
+
+    return CRYPT_OK;
+}
+
+#ifdef LTC_CLEAN_STACK
+static int sha1_compress(hash_state *md, unsigned char *buf)
+{
+   int err;
+   err = _sha1_compress(md, buf);
+   burn_stack(sizeof(ulong32) * 87);
+   return err;
+}
+#endif
+
+/**
+   Initialize the hash state
+   @param md   The hash state you wish to initialize
+   @return CRYPT_OK if successful
+*/
+int sha1_init(hash_state * md)
+{
+   LTC_ARGCHK(md != NULL);
+   md->sha1.state[0] = 0x67452301UL;
+   md->sha1.state[1] = 0xefcdab89UL;
+   md->sha1.state[2] = 0x98badcfeUL;
+   md->sha1.state[3] = 0x10325476UL;
+   md->sha1.state[4] = 0xc3d2e1f0UL;
+   md->sha1.curlen = 0;
+   md->sha1.length = 0;
+   return CRYPT_OK;
+}
+
+/**
+   Process a block of memory though the hash
+   @param md     The hash state
+   @param in     The data to hash
+   @param inlen  The length of the data (octets)
+   @return CRYPT_OK if successful
+*/
+HASH_PROCESS(sha1_process, sha1_compress, sha1, 64)
+
+/**
+   Terminate the hash to get the digest
+   @param md  The hash state
+   @param out [out] The destination of the hash (20 bytes)
+   @return CRYPT_OK if successful
+*/
+int sha1_done(hash_state * md, unsigned char *out)
+{
+    int i;
+
+    LTC_ARGCHK(md  != NULL);
+    LTC_ARGCHK(out != NULL);
+
+    if (md->sha1.curlen >= sizeof(md->sha1.buf)) {
+       return CRYPT_INVALID_ARG;
+    }
+
+    /* increase the length of the message */
+    md->sha1.length += md->sha1.curlen * 8;
+
+    /* append the '1' bit */
+    md->sha1.buf[md->sha1.curlen++] = (unsigned char)0x80;
+
+    /* if the length is currently above 56 bytes we append zeros
+     * then compress.  Then we can fall back to padding zeros and length
+     * encoding like normal.
+     */
+    if (md->sha1.curlen > 56) {
+        while (md->sha1.curlen < 64) {
+            md->sha1.buf[md->sha1.curlen++] = (unsigned char)0;
+        }
+        sha1_compress(md, md->sha1.buf);
+        md->sha1.curlen = 0;
+    }
+
+    /* pad upto 56 bytes of zeroes */
+    while (md->sha1.curlen < 56) {
+        md->sha1.buf[md->sha1.curlen++] = (unsigned char)0;
+    }
+
+    /* store length */
+    STORE64H(md->sha1.length, md->sha1.buf+56);
+    sha1_compress(md, md->sha1.buf);
+
+    /* copy output */
+    for (i = 0; i < 5; i++) {
+        STORE32H(md->sha1.state[i], out+(4*i));
+    }
+#ifdef LTC_CLEAN_STACK
+    zeromem(md, sizeof(hash_state));
+#endif
+    return CRYPT_OK;
+}
+
+/**
+  Self-test the hash
+  @return CRYPT_OK if successful, CRYPT_NOP if self-tests have been disabled
+*/  
+int  sha1_test(void)
+{
+ #ifndef LTC_TEST
+    return CRYPT_NOP;
+ #else    
+  static const struct {
+      char *msg;
+      unsigned char hash[20];
+  } tests[] = {
+    { "abc",
+      { 0xa9, 0x99, 0x3e, 0x36, 0x47, 0x06, 0x81, 0x6a,
+        0xba, 0x3e, 0x25, 0x71, 0x78, 0x50, 0xc2, 0x6c,
+        0x9c, 0xd0, 0xd8, 0x9d }
+    },
+    { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
+      { 0x84, 0x98, 0x3E, 0x44, 0x1C, 0x3B, 0xD2, 0x6E,
+        0xBA, 0xAE, 0x4A, 0xA1, 0xF9, 0x51, 0x29, 0xE5,
+        0xE5, 0x46, 0x70, 0xF1 }
+    }
+  };
+
+  int i;
+  unsigned char tmp[20];
+  hash_state md;
+
+  for (i = 0; i < (int)(sizeof(tests) / sizeof(tests[0]));  i++) {
+      sha1_init(&md);
+      sha1_process(&md, (unsigned char*)tests[i].msg, (unsigned long)strlen(tests[i].msg));
+      sha1_done(&md, tmp);
+      if (XMEMCMP(tmp, tests[i].hash, 20) != 0) {
+         return CRYPT_FAIL_TESTVECTOR;
+      }
+  }
+  return CRYPT_OK;
+  #endif
+}
+
+#endif
+
+
+
+/* $Source: /cvs/libtom/libtomcrypt/src/hashes/sha1.c,v $ */
+/* $Revision: 1.10 $ */
+/* $Date: 2007/05/12 14:25:28 $ */
diff --git a/src/libtomcrypt/src/headers/tomcrypt.h b/src/libtomcrypt/src/headers/tomcrypt.h
new file mode 100644
index 0000000..74cdff4
--- /dev/null
+++ b/src/libtomcrypt/src/headers/tomcrypt.h
@@ -0,0 +1,87 @@
+#ifndef TOMCRYPT_H_
+#define TOMCRYPT_H_
+#include <assert.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <time.h>
+#include <ctype.h>
+#include <limits.h>
+
+/* use configuration data */
+#include "tomcrypt_custom.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* version */
+#define CRYPT   0x0117
+#define SCRYPT  "1.17"
+
+/* max size of either a cipher/hash block or symmetric key [largest of the two] */
+#define MAXBLOCKSIZE  128
+
+/* descriptor table size */
+#define TAB_SIZE      32
+
+/* error codes [will be expanded in future releases] */
+enum {
+   CRYPT_OK=0,             /* Result OK */
+   CRYPT_ERROR,            /* Generic Error */
+   CRYPT_NOP,              /* Not a failure but no operation was performed */
+
+   CRYPT_INVALID_KEYSIZE,  /* Invalid key size given */
+   CRYPT_INVALID_ROUNDS,   /* Invalid number of rounds */
+   CRYPT_FAIL_TESTVECTOR,  /* Algorithm failed test vectors */
+
+   CRYPT_BUFFER_OVERFLOW,  /* Not enough space for output */
+   CRYPT_INVALID_PACKET,   /* Invalid input packet given */
+
+   CRYPT_INVALID_PRNGSIZE, /* Invalid number of bits for a PRNG */
+   CRYPT_ERROR_READPRNG,   /* Could not read enough from PRNG */
+
+   CRYPT_INVALID_CIPHER,   /* Invalid cipher specified */
+   CRYPT_INVALID_HASH,     /* Invalid hash specified */
+   CRYPT_INVALID_PRNG,     /* Invalid PRNG specified */
+
+   CRYPT_MEM,              /* Out of memory */
+
+   CRYPT_PK_TYPE_MISMATCH, /* Not equivalent types of PK keys */
+   CRYPT_PK_NOT_PRIVATE,   /* Requires a private PK key */
+
+   CRYPT_INVALID_ARG,      /* Generic invalid argument */
+   CRYPT_FILE_NOTFOUND,    /* File Not Found */
+
+   CRYPT_PK_INVALID_TYPE,  /* Invalid type of PK key */
+   CRYPT_PK_INVALID_SYSTEM,/* Invalid PK system specified */
+   CRYPT_PK_DUP,           /* Duplicate key already in key ring */
+   CRYPT_PK_NOT_FOUND,     /* Key not found in keyring */
+   CRYPT_PK_INVALID_SIZE,  /* Invalid size input for PK parameters */
+
+   CRYPT_INVALID_PRIME_SIZE,/* Invalid size of prime requested */
+   CRYPT_PK_INVALID_PADDING /* Invalid padding on input */
+};
+
+#include "tomcrypt_cfg.h"
+#include "tomcrypt_macros.h"
+#include "tomcrypt_cipher.h"
+#include "tomcrypt_hash.h"
+#include "tomcrypt_mac.h"
+#include "tomcrypt_prng.h"
+#include "tomcrypt_pk.h"
+#include "tomcrypt_math.h"
+#include "tomcrypt_misc.h"
+#include "tomcrypt_argchk.h"
+#include "tomcrypt_pkcs.h"
+
+#ifdef __cplusplus
+   }
+#endif
+
+#endif /* TOMCRYPT_H_ */
+
+
+/* $Source: /cvs/libtom/libtomcrypt/src/headers/tomcrypt.h,v $ */
+/* $Revision: 1.21 $ */
+/* $Date: 2006/12/16 19:34:05 $ */
diff --git a/src/libtomcrypt/src/headers/tomcrypt_argchk.h b/src/libtomcrypt/src/headers/tomcrypt_argchk.h
new file mode 100644
index 0000000..cfc93ad
--- /dev/null
+++ b/src/libtomcrypt/src/headers/tomcrypt_argchk.h
@@ -0,0 +1,38 @@
+/* Defines the LTC_ARGCHK macro used within the library */
+/* ARGTYPE is defined in mycrypt_cfg.h */
+#if ARGTYPE == 0
+
+#include <signal.h>
+
+/* this is the default LibTomCrypt macro  */
+void crypt_argchk(char *v, char *s, int d);
+#define LTC_ARGCHK(x) if (!(x)) { crypt_argchk(#x, __FILE__, __LINE__); }
+#define LTC_ARGCHKVD(x) LTC_ARGCHK(x)
+
+#elif ARGTYPE == 1
+
+/* fatal type of error */
+#define LTC_ARGCHK(x) assert((x))
+#define LTC_ARGCHKVD(x) LTC_ARGCHK(x)
+
+#elif ARGTYPE == 2
+
+#define LTC_ARGCHK(x) if (!(x)) { fprintf(stderr, "\nwarning: ARGCHK failed at %s:%d\n", __FILE__, __LINE__); }
+#define LTC_ARGCHKVD(x) LTC_ARGCHK(x)
+
+#elif ARGTYPE == 3
+
+#define LTC_ARGCHK(x) 
+#define LTC_ARGCHKVD(x) LTC_ARGCHK(x)
+
+#elif ARGTYPE == 4
+
+#define LTC_ARGCHK(x)   if (!(x)) return CRYPT_INVALID_ARG;
+#define LTC_ARGCHKVD(x) if (!(x)) return;
+
+#endif
+
+
+/* $Source: /cvs/libtom/libtomcrypt/src/headers/tomcrypt_argchk.h,v $ */
+/* $Revision: 1.5 $ */
+/* $Date: 2006/08/27 20:50:21 $ */
diff --git a/src/libtomcrypt/src/headers/tomcrypt_cfg.h b/src/libtomcrypt/src/headers/tomcrypt_cfg.h
new file mode 100644
index 0000000..7feae6e
--- /dev/null
+++ b/src/libtomcrypt/src/headers/tomcrypt_cfg.h
@@ -0,0 +1,136 @@
+/* This is the build config file.
+ *
+ * With this you can setup what to inlcude/exclude automatically during any build.  Just comment
+ * out the line that #define's the word for the thing you want to remove.  phew!
+ */
+
+#ifndef TOMCRYPT_CFG_H
+#define TOMCRYPT_CFG_H
+
+#if defined(_WIN32) || defined(_MSC_VER)
+#define LTC_CALL __cdecl
+#else
+#ifndef LTC_CALL
+   #define LTC_CALL
+#endif
+#endif
+
+#ifndef LTC_EXPORT
+#define LTC_EXPORT
+#endif
+
+/* certain platforms use macros for these, making the prototypes broken */
+#ifndef LTC_NO_PROTOTYPES
+
+/* you can change how memory allocation works ... */
+LTC_EXPORT void * LTC_CALL XMALLOC(size_t n);
+LTC_EXPORT void * LTC_CALL XREALLOC(void *p, size_t n);
+LTC_EXPORT void * LTC_CALL XCALLOC(size_t n, size_t s);
+LTC_EXPORT void LTC_CALL XFREE(void *p);
+
+LTC_EXPORT void LTC_CALL XQSORT(void *base, size_t nmemb, size_t size, int(*compar)(const void *, const void *));
+
+
+/* change the clock function too */
+LTC_EXPORT clock_t LTC_CALL XCLOCK(void);
+
+/* various other functions */
+LTC_EXPORT void * LTC_CALL XMEMCPY(void *dest, const void *src, size_t n);
+LTC_EXPORT int   LTC_CALL XMEMCMP(const void *s1, const void *s2, size_t n);
+LTC_EXPORT void * LTC_CALL XMEMSET(void *s, int c, size_t n);
+
+LTC_EXPORT int   LTC_CALL XSTRCMP(const char *s1, const char *s2);
+
+#endif
+
+/* type of argument checking, 0=default, 1=fatal and 2=error+continue, 3=nothing */
+#ifndef ARGTYPE
+   #define ARGTYPE  0
+#endif
+
+/* Controls endianess and size of registers.  Leave uncommented to get platform neutral [slower] code 
+ * 
+ * Note: in order to use the optimized macros your platform must support unaligned 32 and 64 bit read/writes.
+ * The x86 platforms allow this but some others [ARM for instance] do not.  On those platforms you **MUST**
+ * use the portable [slower] macros.
+ */
+
+/* detect x86-32 machines somewhat */
+#if !defined(__STRICT_ANSI__) && (defined(INTEL_CC) || (defined(_MSC_VER) && defined(WIN32)) || (defined(__GNUC__) && (defined(__DJGPP__) || defined(__CYGWIN__) || defined(__MINGW32__) || defined(__i386__))))
+   #define ENDIAN_LITTLE
+   #define ENDIAN_32BITWORD
+   #define LTC_FAST
+   #define LTC_FAST_TYPE    unsigned long
+#endif
+
+/* detects MIPS R5900 processors (PS2) */
+#if (defined(__R5900) || defined(R5900) || defined(__R5900__)) && (defined(_mips) || defined(__mips__) || defined(mips))
+   #define ENDIAN_LITTLE
+   #define ENDIAN_64BITWORD
+#endif
+
+/* detect amd64 */
+#if !defined(__STRICT_ANSI__) && defined(__x86_64__)
+   #define ENDIAN_LITTLE
+   #define ENDIAN_64BITWORD
+   #define LTC_FAST
+   #define LTC_FAST_TYPE    unsigned long
+#endif
+
+/* detect PPC32 */
+#if !defined(__STRICT_ANSI__) && defined(LTC_PPC32)
+   #define ENDIAN_BIG
+   #define ENDIAN_32BITWORD
+   #define LTC_FAST
+   #define LTC_FAST_TYPE    unsigned long
+#endif   
+
+/* detect sparc and sparc64 */
+#if defined(__sparc__)
+  #define ENDIAN_BIG
+  #if defined(__arch64__)
+    #define ENDIAN_64BITWORD
+  #else
+    #define ENDIAN_32BITWORD
+  #endif
+#endif
+
+
+#ifdef LTC_NO_FAST
+   #ifdef LTC_FAST
+      #undef LTC_FAST
+   #endif
+#endif
+
+/* No asm is a quick way to disable anything "not portable" */
+#ifdef LTC_NO_ASM
+   #undef ENDIAN_LITTLE
+   #undef ENDIAN_BIG
+   #undef ENDIAN_32BITWORD
+   #undef ENDIAN_64BITWORD
+   #undef LTC_FAST
+   #undef LTC_FAST_TYPE
+   #define LTC_NO_ROLC
+	#define LTC_NO_BSWAP
+#endif
+
+/* #define ENDIAN_LITTLE */
+/* #define ENDIAN_BIG */
+
+/* #define ENDIAN_32BITWORD */
+/* #define ENDIAN_64BITWORD */
+
+#if (defined(ENDIAN_BIG) || defined(ENDIAN_LITTLE)) && !(defined(ENDIAN_32BITWORD) || defined(ENDIAN_64BITWORD))
+    #error You must specify a word size as well as endianess in tomcrypt_cfg.h
+#endif
+
+#if !(defined(ENDIAN_BIG) || defined(ENDIAN_LITTLE))
+   #define ENDIAN_NEUTRAL
+#endif
+
+#endif
+
+
+/* $Source: /cvs/libtom/libtomcrypt/src/headers/tomcrypt_cfg.h,v $ */
+/* $Revision: 1.19 $ */
+/* $Date: 2006/12/04 02:19:48 $ */
diff --git a/src/libtomcrypt/src/headers/tomcrypt_cipher.h b/src/libtomcrypt/src/headers/tomcrypt_cipher.h
new file mode 100644
index 0000000..bd740bf
--- /dev/null
+++ b/src/libtomcrypt/src/headers/tomcrypt_cipher.h
@@ -0,0 +1,891 @@
+/* ---- SYMMETRIC KEY STUFF -----
+ *
+ * We put each of the ciphers scheduled keys in their own structs then we put all of 
+ * the key formats in one union.  This makes the function prototypes easier to use.
+ */
+#ifdef LTC_BLOWFISH
+struct blowfish_key {
+   ulong32 S[4][256];
+   ulong32 K[18];
+};
+#endif
+
+#ifdef LTC_RC5
+struct rc5_key {
+   int rounds;
+   ulong32 K[50];
+};
+#endif
+
+#ifdef LTC_RC6
+struct rc6_key {
+   ulong32 K[44];
+};
+#endif
+
+#ifdef LTC_SAFERP
+struct saferp_key {
+   unsigned char K[33][16];
+   long rounds;
+};
+#endif
+
+#ifdef LTC_RIJNDAEL
+struct rijndael_key {
+   ulong32 eK[60], dK[60];
+   int Nr;
+};
+#endif
+
+#ifdef LTC_KSEED
+struct kseed_key {
+    ulong32 K[32], dK[32];
+};
+#endif
+
+#ifdef LTC_KASUMI
+struct kasumi_key {
+    ulong32 KLi1[8], KLi2[8],
+            KOi1[8], KOi2[8], KOi3[8],
+            KIi1[8], KIi2[8], KIi3[8];
+};
+#endif
+
+#ifdef LTC_XTEA
+struct xtea_key {
+   unsigned long A[32], B[32];
+};
+#endif
+
+#ifdef LTC_TWOFISH
+#ifndef LTC_TWOFISH_SMALL
+   struct twofish_key {
+      ulong32 S[4][256], K[40];
+   };
+#else
+   struct twofish_key {
+      ulong32 K[40];
+      unsigned char S[32], start;
+   };
+#endif
+#endif
+
+#ifdef LTC_SAFER
+#define LTC_SAFER_K64_DEFAULT_NOF_ROUNDS     6
+#define LTC_SAFER_K128_DEFAULT_NOF_ROUNDS   10
+#define LTC_SAFER_SK64_DEFAULT_NOF_ROUNDS    8
+#define LTC_SAFER_SK128_DEFAULT_NOF_ROUNDS  10
+#define LTC_SAFER_MAX_NOF_ROUNDS            13
+#define LTC_SAFER_BLOCK_LEN                  8
+#define LTC_SAFER_KEY_LEN     (1 + LTC_SAFER_BLOCK_LEN * (1 + 2 * LTC_SAFER_MAX_NOF_ROUNDS))
+typedef unsigned char safer_block_t[LTC_SAFER_BLOCK_LEN];
+typedef unsigned char safer_key_t[LTC_SAFER_KEY_LEN];
+struct safer_key { safer_key_t key; };
+#endif
+
+#ifdef LTC_RC2
+struct rc2_key { unsigned xkey[64]; };
+#endif
+
+#ifdef LTC_DES
+struct des_key {
+    ulong32 ek[32], dk[32];
+};
+
+struct des3_key {
+    ulong32 ek[3][32], dk[3][32];
+};
+#endif
+
+#ifdef LTC_CAST5
+struct cast5_key {
+    ulong32 K[32], keylen;
+};
+#endif
+
+#ifdef LTC_NOEKEON
+struct noekeon_key {
+    ulong32 K[4], dK[4];
+};
+#endif
+
+#ifdef LTC_SKIPJACK 
+struct skipjack_key {
+    unsigned char key[10];
+};
+#endif
+
+#ifdef LTC_KHAZAD
+struct khazad_key {
+   ulong64 roundKeyEnc[8 + 1]; 
+   ulong64 roundKeyDec[8 + 1]; 
+};
+#endif
+
+#ifdef LTC_ANUBIS
+struct anubis_key { 
+   int keyBits; 
+   int R; 
+   ulong32 roundKeyEnc[18 + 1][4]; 
+   ulong32 roundKeyDec[18 + 1][4]; 
+}; 
+#endif
+
+#ifdef LTC_MULTI2
+struct multi2_key {
+    int N;
+    ulong32 uk[8];
+};
+#endif
+
+typedef union Symmetric_key {
+#ifdef LTC_DES
+   struct des_key des;
+   struct des3_key des3;
+#endif
+#ifdef LTC_RC2
+   struct rc2_key rc2;
+#endif
+#ifdef LTC_SAFER
+   struct safer_key safer;
+#endif
+#ifdef LTC_TWOFISH
+   struct twofish_key  twofish;
+#endif
+#ifdef LTC_BLOWFISH
+   struct blowfish_key blowfish;
+#endif
+#ifdef LTC_RC5
+   struct rc5_key      rc5;
+#endif
+#ifdef LTC_RC6
+   struct rc6_key      rc6;
+#endif
+#ifdef LTC_SAFERP
+   struct saferp_key   saferp;
+#endif
+#ifdef LTC_RIJNDAEL
+   struct rijndael_key rijndael;
+#endif
+#ifdef LTC_XTEA
+   struct xtea_key     xtea;
+#endif
+#ifdef LTC_CAST5
+   struct cast5_key    cast5;
+#endif
+#ifdef LTC_NOEKEON
+   struct noekeon_key  noekeon;
+#endif   
+#ifdef LTC_SKIPJACK
+   struct skipjack_key skipjack;
+#endif
+#ifdef LTC_KHAZAD
+   struct khazad_key   khazad;
+#endif
+#ifdef LTC_ANUBIS
+   struct anubis_key   anubis;
+#endif
+#ifdef LTC_KSEED
+   struct kseed_key    kseed;
+#endif
+#ifdef LTC_KASUMI
+   struct kasumi_key   kasumi;
+#endif  
+#ifdef LTC_MULTI2
+   struct multi2_key   multi2;
+#endif
+   void   *data;
+} symmetric_key;
+
+#ifdef LTC_ECB_MODE
+/** A block cipher ECB structure */
+typedef struct {
+   /** The index of the cipher chosen */
+   int                 cipher, 
+   /** The block size of the given cipher */
+                       blocklen;
+   /** The scheduled key */                       
+   symmetric_key       key;
+} symmetric_ECB;
+#endif
+
+#ifdef LTC_CFB_MODE
+/** A block cipher CFB structure */
+typedef struct {
+   /** The index of the cipher chosen */
+   int                 cipher, 
+   /** The block size of the given cipher */                        
+                       blocklen, 
+   /** The padding offset */
+                       padlen;
+   /** The current IV */
+   unsigned char       IV[MAXBLOCKSIZE], 
+   /** The pad used to encrypt/decrypt */ 
+                       pad[MAXBLOCKSIZE];
+   /** The scheduled key */
+   symmetric_key       key;
+} symmetric_CFB;
+#endif
+
+#ifdef LTC_OFB_MODE
+/** A block cipher OFB structure */
+typedef struct {
+   /** The index of the cipher chosen */
+   int                 cipher, 
+   /** The block size of the given cipher */                        
+                       blocklen, 
+   /** The padding offset */
+                       padlen;
+   /** The current IV */
+   unsigned char       IV[MAXBLOCKSIZE];
+   /** The scheduled key */
+   symmetric_key       key;
+} symmetric_OFB;
+#endif
+
+#ifdef LTC_CBC_MODE
+/** A block cipher CBC structure */
+typedef struct {
+   /** The index of the cipher chosen */
+   int                 cipher, 
+   /** The block size of the given cipher */                        
+                       blocklen;
+   /** The current IV */
+   unsigned char       IV[MAXBLOCKSIZE];
+   /** The scheduled key */
+   symmetric_key       key;
+} symmetric_CBC;
+#endif
+
+
+#ifdef LTC_CTR_MODE
+/** A block cipher CTR structure */
+typedef struct {
+   /** The index of the cipher chosen */
+   int                 cipher,
+   /** The block size of the given cipher */                        
+                       blocklen, 
+   /** The padding offset */
+                       padlen, 
+   /** The mode (endianess) of the CTR, 0==little, 1==big */
+                       mode,
+   /** counter width */
+                       ctrlen;
+
+   /** The counter */                       
+   unsigned char       ctr[MAXBLOCKSIZE], 
+   /** The pad used to encrypt/decrypt */                       
+                       pad[MAXBLOCKSIZE];
+   /** The scheduled key */
+   symmetric_key       key;
+} symmetric_CTR;
+#endif
+
+
+#ifdef LTC_LRW_MODE
+/** A LRW structure */
+typedef struct {
+    /** The index of the cipher chosen (must be a 128-bit block cipher) */
+    int               cipher;
+
+    /** The current IV */
+    unsigned char     IV[16],
+ 
+    /** the tweak key */
+                      tweak[16],
+
+    /** The current pad, it's the product of the first 15 bytes against the tweak key */
+                      pad[16];
+
+    /** The scheduled symmetric key */
+    symmetric_key     key;
+
+#ifdef LRW_TABLES
+    /** The pre-computed multiplication table */
+    unsigned char     PC[16][256][16];
+#endif
+} symmetric_LRW;
+#endif
+
+#ifdef LTC_F8_MODE
+/** A block cipher F8 structure */
+typedef struct {
+   /** The index of the cipher chosen */
+   int                 cipher, 
+   /** The block size of the given cipher */                        
+                       blocklen, 
+   /** The padding offset */
+                       padlen;
+   /** The current IV */
+   unsigned char       IV[MAXBLOCKSIZE],
+                       MIV[MAXBLOCKSIZE];
+   /** Current block count */
+   ulong32             blockcnt;
+   /** The scheduled key */
+   symmetric_key       key;
+} symmetric_F8;
+#endif
+
+
+/** cipher descriptor table, last entry has "name == NULL" to mark the end of table */
+extern struct ltc_cipher_descriptor {
+   /** name of cipher */
+   char *name;
+   /** internal ID */
+   unsigned char ID;
+   /** min keysize (octets) */
+   int  min_key_length, 
+   /** max keysize (octets) */
+        max_key_length, 
+   /** block size (octets) */
+        block_length, 
+   /** default number of rounds */
+        default_rounds;
+   /** Setup the cipher 
+      @param key         The input symmetric key
+      @param keylen      The length of the input key (octets)
+      @param num_rounds  The requested number of rounds (0==default)
+      @param skey        [out] The destination of the scheduled key
+      @return CRYPT_OK if successful
+   */
+   int  (*setup)(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
+   /** Encrypt a block
+      @param pt      The plaintext
+      @param ct      [out] The ciphertext
+      @param skey    The scheduled key
+      @return CRYPT_OK if successful
+   */
+   int (*ecb_encrypt)(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
+   /** Decrypt a block
+      @param ct      The ciphertext
+      @param pt      [out] The plaintext
+      @param skey    The scheduled key
+      @return CRYPT_OK if successful
+   */
+   int (*ecb_decrypt)(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
+   /** Test the block cipher
+       @return CRYPT_OK if successful, CRYPT_NOP if self-testing has been disabled
+   */
+   int (*test)(void);
+
+   /** Terminate the context 
+      @param skey    The scheduled key
+   */
+   void (*done)(symmetric_key *skey);      
+
+   /** Determine a key size
+       @param keysize    [in/out] The size of the key desired and the suggested size
+       @return CRYPT_OK if successful
+   */
+   int  (*keysize)(int *keysize);
+
+/** Accelerators **/
+   /** Accelerated ECB encryption 
+       @param pt      Plaintext
+       @param ct      Ciphertext
+       @param blocks  The number of complete blocks to process
+       @param skey    The scheduled key context
+       @return CRYPT_OK if successful
+   */
+   int (*accel_ecb_encrypt)(const unsigned char *pt, unsigned char *ct, unsigned long blocks, symmetric_key *skey);
+
+   /** Accelerated ECB decryption 
+       @param pt      Plaintext
+       @param ct      Ciphertext
+       @param blocks  The number of complete blocks to process
+       @param skey    The scheduled key context
+       @return CRYPT_OK if successful
+   */
+   int (*accel_ecb_decrypt)(const unsigned char *ct, unsigned char *pt, unsigned long blocks, symmetric_key *skey);
+
+   /** Accelerated CBC encryption 
+       @param pt      Plaintext
+       @param ct      Ciphertext
+       @param blocks  The number of complete blocks to process
+       @param IV      The initial value (input/output)
+       @param skey    The scheduled key context
+       @return CRYPT_OK if successful
+   */
+   int (*accel_cbc_encrypt)(const unsigned char *pt, unsigned char *ct, unsigned long blocks, unsigned char *IV, symmetric_key *skey);
+
+   /** Accelerated CBC decryption 
+       @param pt      Plaintext
+       @param ct      Ciphertext
+       @param blocks  The number of complete blocks to process
+       @param IV      The initial value (input/output)
+       @param skey    The scheduled key context
+       @return CRYPT_OK if successful
+   */
+   int (*accel_cbc_decrypt)(const unsigned char *ct, unsigned char *pt, unsigned long blocks, unsigned char *IV, symmetric_key *skey);
+
+   /** Accelerated CTR encryption 
+       @param pt      Plaintext
+       @param ct      Ciphertext
+       @param blocks  The number of complete blocks to process
+       @param IV      The initial value (input/output)
+       @param mode    little or big endian counter (mode=0 or mode=1)
+       @param skey    The scheduled key context
+       @return CRYPT_OK if successful
+   */
+   int (*accel_ctr_encrypt)(const unsigned char *pt, unsigned char *ct, unsigned long blocks, unsigned char *IV, int mode, symmetric_key *skey);
+
+   /** Accelerated LRW 
+       @param pt      Plaintext
+       @param ct      Ciphertext
+       @param blocks  The number of complete blocks to process
+       @param IV      The initial value (input/output)
+       @param tweak   The LRW tweak
+       @param skey    The scheduled key context
+       @return CRYPT_OK if successful
+   */
+   int (*accel_lrw_encrypt)(const unsigned char *pt, unsigned char *ct, unsigned long blocks, unsigned char *IV, const unsigned char *tweak, symmetric_key *skey);
+
+   /** Accelerated LRW 
+       @param ct      Ciphertext
+       @param pt      Plaintext
+       @param blocks  The number of complete blocks to process
+       @param IV      The initial value (input/output)
+       @param tweak   The LRW tweak
+       @param skey    The scheduled key context
+       @return CRYPT_OK if successful
+   */
+   int (*accel_lrw_decrypt)(const unsigned char *ct, unsigned char *pt, unsigned long blocks, unsigned char *IV, const unsigned char *tweak, symmetric_key *skey);
+
+   /** Accelerated CCM packet (one-shot)
+       @param key        The secret key to use
+       @param keylen     The length of the secret key (octets)
+       @param uskey      A previously scheduled key [optional can be NULL]
+       @param nonce      The session nonce [use once]
+       @param noncelen   The length of the nonce
+       @param header     The header for the session
+       @param headerlen  The length of the header (octets)
+       @param pt         [out] The plaintext
+       @param ptlen      The length of the plaintext (octets)
+       @param ct         [out] The ciphertext
+       @param tag        [out] The destination tag
+       @param taglen     [in/out] The max size and resulting size of the authentication tag
+       @param direction  Encrypt or Decrypt direction (0 or 1)
+       @return CRYPT_OK if successful
+   */
+   int (*accel_ccm_memory)(
+       const unsigned char *key,    unsigned long keylen,
+       symmetric_key       *uskey,
+       const unsigned char *nonce,  unsigned long noncelen,
+       const unsigned char *header, unsigned long headerlen,
+             unsigned char *pt,     unsigned long ptlen,
+             unsigned char *ct,
+             unsigned char *tag,    unsigned long *taglen,
+                       int  direction);
+
+   /** Accelerated GCM packet (one shot)
+       @param key        The secret key
+       @param keylen     The length of the secret key
+       @param IV         The initial vector 
+       @param IVlen      The length of the initial vector
+       @param adata      The additional authentication data (header)
+       @param adatalen   The length of the adata
+       @param pt         The plaintext
+       @param ptlen      The length of the plaintext (ciphertext length is the same)
+       @param ct         The ciphertext
+       @param tag        [out] The MAC tag
+       @param taglen     [in/out] The MAC tag length
+       @param direction  Encrypt or Decrypt mode (GCM_ENCRYPT or GCM_DECRYPT)
+       @return CRYPT_OK on success
+   */
+   int (*accel_gcm_memory)(
+       const unsigned char *key,    unsigned long keylen,
+       const unsigned char *IV,     unsigned long IVlen,
+       const unsigned char *adata,  unsigned long adatalen,
+             unsigned char *pt,     unsigned long ptlen,
+             unsigned char *ct, 
+             unsigned char *tag,    unsigned long *taglen,
+                       int direction);
+
+   /** Accelerated one shot LTC_OMAC 
+       @param key            The secret key
+       @param keylen         The key length (octets) 
+       @param in             The message 
+       @param inlen          Length of message (octets)
+       @param out            [out] Destination for tag
+       @param outlen         [in/out] Initial and final size of out
+       @return CRYPT_OK on success
+   */
+   int (*omac_memory)(
+       const unsigned char *key, unsigned long keylen,
+       const unsigned char *in,  unsigned long inlen,
+             unsigned char *out, unsigned long *outlen);
+
+   /** Accelerated one shot XCBC 
+       @param key            The secret key
+       @param keylen         The key length (octets) 
+       @param in             The message 
+       @param inlen          Length of message (octets)
+       @param out            [out] Destination for tag
+       @param outlen         [in/out] Initial and final size of out
+       @return CRYPT_OK on success
+   */
+   int (*xcbc_memory)(
+       const unsigned char *key, unsigned long keylen,
+       const unsigned char *in,  unsigned long inlen,
+             unsigned char *out, unsigned long *outlen);
+
+   /** Accelerated one shot F9 
+       @param key            The secret key
+       @param keylen         The key length (octets) 
+       @param in             The message 
+       @param inlen          Length of message (octets)
+       @param out            [out] Destination for tag
+       @param outlen         [in/out] Initial and final size of out
+       @return CRYPT_OK on success
+       @remark Requires manual padding
+   */
+   int (*f9_memory)(
+       const unsigned char *key, unsigned long keylen,
+       const unsigned char *in,  unsigned long inlen,
+             unsigned char *out, unsigned long *outlen);
+} cipher_descriptor[];
+
+#ifdef LTC_BLOWFISH
+int blowfish_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
+int blowfish_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
+int blowfish_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
+int blowfish_test(void);
+void blowfish_done(symmetric_key *skey);
+int blowfish_keysize(int *keysize);
+extern const struct ltc_cipher_descriptor blowfish_desc;
+#endif
+
+#ifdef LTC_RC5
+int rc5_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
+int rc5_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
+int rc5_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
+int rc5_test(void);
+void rc5_done(symmetric_key *skey);
+int rc5_keysize(int *keysize);
+extern const struct ltc_cipher_descriptor rc5_desc;
+#endif
+
+#ifdef LTC_RC6
+int rc6_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
+int rc6_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
+int rc6_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
+int rc6_test(void);
+void rc6_done(symmetric_key *skey);
+int rc6_keysize(int *keysize);
+extern const struct ltc_cipher_descriptor rc6_desc;
+#endif
+
+#ifdef LTC_RC2
+int rc2_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
+int rc2_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
+int rc2_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
+int rc2_test(void);
+void rc2_done(symmetric_key *skey);
+int rc2_keysize(int *keysize);
+extern const struct ltc_cipher_descriptor rc2_desc;
+#endif
+
+#ifdef LTC_SAFERP
+int saferp_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
+int saferp_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
+int saferp_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
+int saferp_test(void);
+void saferp_done(symmetric_key *skey);
+int saferp_keysize(int *keysize);
+extern const struct ltc_cipher_descriptor saferp_desc;
+#endif
+
+#ifdef LTC_SAFER
+int safer_k64_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
+int safer_sk64_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
+int safer_k128_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
+int safer_sk128_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
+int safer_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *key);
+int safer_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *key);
+int safer_k64_test(void);
+int safer_sk64_test(void);
+int safer_sk128_test(void);
+void safer_done(symmetric_key *skey);
+int safer_64_keysize(int *keysize);
+int safer_128_keysize(int *keysize);
+extern const struct ltc_cipher_descriptor safer_k64_desc, safer_k128_desc, safer_sk64_desc, safer_sk128_desc;
+#endif
+
+#ifdef LTC_RIJNDAEL
+
+/* make aes an alias */
+#define aes_setup           rijndael_setup
+#define aes_ecb_encrypt     rijndael_ecb_encrypt
+#define aes_ecb_decrypt     rijndael_ecb_decrypt
+#define aes_test            rijndael_test
+#define aes_done            rijndael_done
+#define aes_keysize         rijndael_keysize
+
+#define aes_enc_setup           rijndael_enc_setup
+#define aes_enc_ecb_encrypt     rijndael_enc_ecb_encrypt
+#define aes_enc_keysize         rijndael_enc_keysize
+
+int rijndael_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
+int rijndael_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
+int rijndael_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
+int rijndael_test(void);
+void rijndael_done(symmetric_key *skey);
+int rijndael_keysize(int *keysize);
+int rijndael_enc_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
+int rijndael_enc_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
+void rijndael_enc_done(symmetric_key *skey);
+int rijndael_enc_keysize(int *keysize);
+extern const struct ltc_cipher_descriptor rijndael_desc, aes_desc;
+extern const struct ltc_cipher_descriptor rijndael_enc_desc, aes_enc_desc;
+#endif
+
+#ifdef LTC_XTEA
+int xtea_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
+int xtea_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
+int xtea_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
+int xtea_test(void);
+void xtea_done(symmetric_key *skey);
+int xtea_keysize(int *keysize);
+extern const struct ltc_cipher_descriptor xtea_desc;
+#endif
+
+#ifdef LTC_TWOFISH
+int twofish_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
+int twofish_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
+int twofish_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
+int twofish_test(void);
+void twofish_done(symmetric_key *skey);
+int twofish_keysize(int *keysize);
+extern const struct ltc_cipher_descriptor twofish_desc;
+#endif
+
+#ifdef LTC_DES
+int des_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
+int des_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
+int des_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
+int des_test(void);
+void des_done(symmetric_key *skey);
+int des_keysize(int *keysize);
+int des3_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
+int des3_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
+int des3_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
+int des3_test(void);
+void des3_done(symmetric_key *skey);
+int des3_keysize(int *keysize);
+extern const struct ltc_cipher_descriptor des_desc, des3_desc;
+#endif
+
+#ifdef LTC_CAST5
+int cast5_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
+int cast5_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
+int cast5_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
+int cast5_test(void);
+void cast5_done(symmetric_key *skey);
+int cast5_keysize(int *keysize);
+extern const struct ltc_cipher_descriptor cast5_desc;
+#endif
+
+#ifdef LTC_NOEKEON
+int noekeon_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
+int noekeon_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
+int noekeon_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
+int noekeon_test(void);
+void noekeon_done(symmetric_key *skey);
+int noekeon_keysize(int *keysize);
+extern const struct ltc_cipher_descriptor noekeon_desc;
+#endif
+
+#ifdef LTC_SKIPJACK
+int skipjack_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
+int skipjack_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
+int skipjack_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
+int skipjack_test(void);
+void skipjack_done(symmetric_key *skey);
+int skipjack_keysize(int *keysize);
+extern const struct ltc_cipher_descriptor skipjack_desc;
+#endif
+
+#ifdef LTC_KHAZAD
+int khazad_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
+int khazad_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
+int khazad_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
+int khazad_test(void);
+void khazad_done(symmetric_key *skey);
+int khazad_keysize(int *keysize);
+extern const struct ltc_cipher_descriptor khazad_desc;
+#endif
+
+#ifdef LTC_ANUBIS
+int anubis_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
+int anubis_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
+int anubis_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
+int anubis_test(void);
+void anubis_done(symmetric_key *skey);
+int anubis_keysize(int *keysize);
+extern const struct ltc_cipher_descriptor anubis_desc;
+#endif
+
+#ifdef LTC_KSEED
+int kseed_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
+int kseed_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
+int kseed_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
+int kseed_test(void);
+void kseed_done(symmetric_key *skey);
+int kseed_keysize(int *keysize);
+extern const struct ltc_cipher_descriptor kseed_desc;
+#endif
+
+#ifdef LTC_KASUMI
+int kasumi_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
+int kasumi_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
+int kasumi_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
+int kasumi_test(void);
+void kasumi_done(symmetric_key *skey);
+int kasumi_keysize(int *keysize);
+extern const struct ltc_cipher_descriptor kasumi_desc;
+#endif
+
+
+#ifdef LTC_MULTI2
+int multi2_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey);
+int multi2_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey);
+int multi2_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey);
+int multi2_test(void);
+void multi2_done(symmetric_key *skey);
+int multi2_keysize(int *keysize);
+extern const struct ltc_cipher_descriptor multi2_desc;
+#endif
+
+#ifdef LTC_ECB_MODE
+int ecb_start(int cipher, const unsigned char *key, 
+              int keylen, int num_rounds, symmetric_ECB *ecb);
+int ecb_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_ECB *ecb);
+int ecb_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_ECB *ecb);
+int ecb_done(symmetric_ECB *ecb);
+#endif
+
+#ifdef LTC_CFB_MODE
+int cfb_start(int cipher, const unsigned char *IV, const unsigned char *key, 
+              int keylen, int num_rounds, symmetric_CFB *cfb);
+int cfb_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_CFB *cfb);
+int cfb_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_CFB *cfb);
+int cfb_getiv(unsigned char *IV, unsigned long *len, symmetric_CFB *cfb);
+int cfb_setiv(const unsigned char *IV, unsigned long len, symmetric_CFB *cfb);
+int cfb_done(symmetric_CFB *cfb);
+#endif
+
+#ifdef LTC_OFB_MODE
+int ofb_start(int cipher, const unsigned char *IV, const unsigned char *key, 
+              int keylen, int num_rounds, symmetric_OFB *ofb);
+int ofb_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_OFB *ofb);
+int ofb_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_OFB *ofb);
+int ofb_getiv(unsigned char *IV, unsigned long *len, symmetric_OFB *ofb);
+int ofb_setiv(const unsigned char *IV, unsigned long len, symmetric_OFB *ofb);
+int ofb_done(symmetric_OFB *ofb);
+#endif
+
+#ifdef LTC_CBC_MODE
+int cbc_start(int cipher, const unsigned char *IV, const unsigned char *key,
+               int keylen, int num_rounds, symmetric_CBC *cbc);
+int cbc_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_CBC *cbc);
+int cbc_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_CBC *cbc);
+int cbc_getiv(unsigned char *IV, unsigned long *len, symmetric_CBC *cbc);
+int cbc_setiv(const unsigned char *IV, unsigned long len, symmetric_CBC *cbc);
+int cbc_done(symmetric_CBC *cbc);
+#endif
+
+#ifdef LTC_CTR_MODE
+
+#define CTR_COUNTER_LITTLE_ENDIAN    0x0000
+#define CTR_COUNTER_BIG_ENDIAN       0x1000
+#define LTC_CTR_RFC3686              0x2000
+
+int ctr_start(               int   cipher,
+              const unsigned char *IV,
+              const unsigned char *key,       int keylen,
+                             int  num_rounds, int ctr_mode,
+                   symmetric_CTR *ctr);
+int ctr_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_CTR *ctr);
+int ctr_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_CTR *ctr);
+int ctr_getiv(unsigned char *IV, unsigned long *len, symmetric_CTR *ctr);
+int ctr_setiv(const unsigned char *IV, unsigned long len, symmetric_CTR *ctr);
+int ctr_done(symmetric_CTR *ctr);
+int ctr_test(void);
+#endif
+
+#ifdef LTC_LRW_MODE
+
+#define LRW_ENCRYPT 0
+#define LRW_DECRYPT 1
+
+int lrw_start(               int   cipher,
+              const unsigned char *IV,
+              const unsigned char *key,       int keylen,
+              const unsigned char *tweak,
+                             int  num_rounds, 
+                   symmetric_LRW *lrw);
+int lrw_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_LRW *lrw);
+int lrw_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_LRW *lrw);
+int lrw_getiv(unsigned char *IV, unsigned long *len, symmetric_LRW *lrw);
+int lrw_setiv(const unsigned char *IV, unsigned long len, symmetric_LRW *lrw);
+int lrw_done(symmetric_LRW *lrw);
+int lrw_test(void);
+
+/* don't call */
+int lrw_process(const unsigned char *pt, unsigned char *ct, unsigned long len, int mode, symmetric_LRW *lrw);
+#endif    
+
+#ifdef LTC_F8_MODE
+int f8_start(                int  cipher, const unsigned char *IV, 
+             const unsigned char *key,                    int  keylen, 
+             const unsigned char *salt_key,               int  skeylen,
+                             int  num_rounds,   symmetric_F8  *f8);
+int f8_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_F8 *f8);
+int f8_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_F8 *f8);
+int f8_getiv(unsigned char *IV, unsigned long *len, symmetric_F8 *f8);
+int f8_setiv(const unsigned char *IV, unsigned long len, symmetric_F8 *f8);
+int f8_done(symmetric_F8 *f8);
+int f8_test_mode(void);
+#endif
+
+#ifdef LTC_XTS_MODE
+typedef struct {
+   symmetric_key  key1, key2;
+   int            cipher;
+} symmetric_xts;
+
+int xts_start(                int  cipher,
+              const unsigned char *key1, 
+              const unsigned char *key2, 
+                    unsigned long  keylen,
+                              int  num_rounds, 
+                    symmetric_xts *xts);
+
+int xts_encrypt(
+   const unsigned char *pt, unsigned long ptlen,
+         unsigned char *ct,
+   const unsigned char *tweak,
+         symmetric_xts *xts);
+int xts_decrypt(
+   const unsigned char *ct, unsigned long ptlen,
+         unsigned char *pt,
+   const unsigned char *tweak,
+         symmetric_xts *xts);
+
+void xts_done(symmetric_xts *xts);
+int  xts_test(void);
+void xts_mult_x(unsigned char *I);
+#endif
+
+int find_cipher(const char *name);
+int find_cipher_any(const char *name, int blocklen, int keylen);
+int find_cipher_id(unsigned char ID);
+int register_cipher(const struct ltc_cipher_descriptor *cipher);
+int unregister_cipher(const struct ltc_cipher_descriptor *cipher);
+int cipher_is_valid(int idx);
+
+LTC_MUTEX_PROTO(ltc_cipher_mutex)
+
+/* $Source: /cvs/libtom/libtomcrypt/src/headers/tomcrypt_cipher.h,v $ */
+/* $Revision: 1.54 $ */
+/* $Date: 2007/05/12 14:37:41 $ */
diff --git a/src/libtomcrypt/src/headers/tomcrypt_custom.h b/src/libtomcrypt/src/headers/tomcrypt_custom.h
new file mode 100644
index 0000000..88ec8f9
--- /dev/null
+++ b/src/libtomcrypt/src/headers/tomcrypt_custom.h
@@ -0,0 +1,424 @@
+#ifndef TOMCRYPT_CUSTOM_H_
+#define TOMCRYPT_CUSTOM_H_
+
+#define LTC_NO_CIPHERS
+#define LTC_NO_HASHES
+#define LTC_NO_MACS
+#define LTC_NO_PRNGS
+#define LTC_NO_CURVES
+#define LTC_NO_MODES
+#define LTC_NO_PKCS
+#define LTC_NO_ROLC
+
+#define LTC_SOURCE
+#define LTC_SHA1
+#define LTC_MD5
+#define LTC_DER
+#define LTC_RC4
+
+#define USE_LTM
+#define LTM_DESC
+
+/* macros for various libc functions you can change for embedded targets */
+#ifndef XMALLOC
+   #ifdef malloc 
+   #define LTC_NO_PROTOTYPES
+   #endif
+#define XMALLOC  LibTomMalloc
+#endif
+#ifndef XREALLOC
+   #ifdef realloc 
+   #define LTC_NO_PROTOTYPES
+   #endif
+#define XREALLOC LibTomRealloc
+#endif
+#ifndef XCALLOC
+   #ifdef calloc 
+   #define LTC_NO_PROTOTYPES
+   #endif
+#define XCALLOC  LibTomCalloc
+#endif
+#ifndef XFREE
+   #ifdef free
+   #define LTC_NO_PROTOTYPES
+   #endif
+#define XFREE    LibTomFree
+#endif
+
+#ifndef XMEMSET
+   #ifdef memset
+   #define LTC_NO_PROTOTYPES
+   #endif
+#define XMEMSET  memset
+#endif
+#ifndef XMEMCPY
+   #ifdef memcpy
+   #define LTC_NO_PROTOTYPES
+   #endif
+#define XMEMCPY  memcpy
+#endif
+#ifndef XMEMCMP
+   #ifdef memcmp 
+   #define LTC_NO_PROTOTYPES
+   #endif
+#define XMEMCMP  memcmp
+#endif
+#ifndef XSTRCMP
+   #ifdef strcmp
+   #define LTC_NO_PROTOTYPES
+   #endif
+#define XSTRCMP strcmp
+#endif
+
+#ifndef XCLOCK
+#define XCLOCK   LibTomClock
+#endif
+#ifndef XCLOCKS_PER_SEC
+#define XCLOCKS_PER_SEC CLOCKS_PER_SEC
+#endif
+
+#ifndef XQSORT
+   #ifdef qsort
+   #define LTC_NO_PROTOTYPES
+   #endif
+#define XQSORT LibTomQsort
+#endif
+
+/* Easy button? */
+#ifdef LTC_EASY
+   #define LTC_NO_CIPHERS
+   #define LTC_RIJNDAEL
+   #define LTC_BLOWFISH
+   #define LTC_DES
+   #define LTC_CAST5
+   
+   #define LTC_NO_MODES
+   #define LTC_ECB_MODE
+   #define LTC_CBC_MODE
+   #define LTC_CTR_MODE
+   
+   #define LTC_NO_HASHES
+   #define LTC_SHA1
+   #define LTC_SHA512
+   #define LTC_SHA384
+   #define LTC_SHA256
+   #define LTC_SHA224
+   
+   #define LTC_NO_MACS
+   #define LTC_HMAC
+   #define LTC_OMAC
+   #define LTC_CCM_MODE
+
+   #define LTC_NO_PRNGS
+   #define LTC_SPRNG
+   #define LTC_YARROW
+   #define LTC_DEVRANDOM
+   #define TRY_URANDOM_FIRST
+      
+   #define LTC_NO_PK
+   #define LTC_MRSA
+   #define LTC_MECC
+#endif   
+
+/* Use small code where possible */
+/* #define LTC_SMALL_CODE */
+
+/* Enable self-test test vector checking */
+#ifndef LTC_NO_TEST
+   #define LTC_TEST
+#endif
+
+/* clean the stack of functions which put private information on stack */
+/* #define LTC_CLEAN_STACK */
+
+/* disable all file related functions */
+/* #define LTC_NO_FILE */
+
+/* disable all forms of ASM */
+/* #define LTC_NO_ASM */
+
+/* disable FAST mode */
+/* #define LTC_NO_FAST */
+
+/* disable BSWAP on x86 */
+/* #define LTC_NO_BSWAP */
+
+/* ---> Symmetric Block Ciphers <--- */
+#ifndef LTC_NO_CIPHERS
+
+#define LTC_BLOWFISH
+#define LTC_RC2
+#define LTC_RC5
+#define LTC_RC6
+#define LTC_SAFERP
+#define LTC_RIJNDAEL
+#define LTC_XTEA
+/* _TABLES tells it to use tables during setup, _SMALL means to use the smaller scheduled key format
+ * (saves 4KB of ram), _ALL_TABLES enables all tables during setup */
+#define LTC_TWOFISH
+#ifndef LTC_NO_TABLES
+   #define LTC_TWOFISH_TABLES
+   /* #define LTC_TWOFISH_ALL_TABLES */
+#else
+   #define LTC_TWOFISH_SMALL
+#endif
+/* #define LTC_TWOFISH_SMALL */
+/* LTC_DES includes EDE triple-LTC_DES */
+#define LTC_DES
+#define LTC_CAST5
+#define LTC_NOEKEON
+#define LTC_SKIPJACK
+#define LTC_SAFER
+#define LTC_KHAZAD
+#define LTC_ANUBIS
+#define LTC_ANUBIS_TWEAK
+#define LTC_KSEED
+#define LTC_KASUMI
+
+#endif /* LTC_NO_CIPHERS */
+
+
+/* ---> Block Cipher Modes of Operation <--- */
+#ifndef LTC_NO_MODES
+
+#define LTC_CFB_MODE
+#define LTC_OFB_MODE
+#define LTC_ECB_MODE
+#define LTC_CBC_MODE
+#define LTC_CTR_MODE
+
+/* F8 chaining mode */
+#define LTC_F8_MODE
+
+/* LRW mode */
+#define LTC_LRW_MODE
+#ifndef LTC_NO_TABLES
+   /* like GCM mode this will enable 16 8x128 tables [64KB] that make
+    * seeking very fast.  
+    */
+   #define LRW_TABLES
+#endif
+
+/* XTS mode */
+#define LTC_XTS_MODE
+
+#endif /* LTC_NO_MODES */
+
+/* ---> One-Way Hash Functions <--- */
+#ifndef LTC_NO_HASHES 
+
+#define LTC_CHC_HASH
+#define LTC_WHIRLPOOL
+#define LTC_SHA512
+#define LTC_SHA384
+#define LTC_SHA256
+#define LTC_SHA224
+#define LTC_TIGER
+#define LTC_SHA1
+#define LTC_MD5
+#define LTC_MD4
+#define LTC_MD2
+#define LTC_RIPEMD128
+#define LTC_RIPEMD160
+#define LTC_RIPEMD256
+#define LTC_RIPEMD320
+
+#endif /* LTC_NO_HASHES */
+
+/* ---> MAC functions <--- */
+#ifndef LTC_NO_MACS
+
+#define LTC_HMAC
+#define LTC_OMAC
+#define LTC_PMAC
+#define LTC_XCBC
+#define LTC_F9_MODE
+#define LTC_PELICAN
+
+#if defined(LTC_PELICAN) && !defined(LTC_RIJNDAEL)
+   #error Pelican-MAC requires LTC_RIJNDAEL
+#endif
+
+/* ---> Encrypt + Authenticate Modes <--- */
+
+#define LTC_EAX_MODE
+#if defined(LTC_EAX_MODE) && !(defined(LTC_CTR_MODE) && defined(LTC_OMAC))
+   #error LTC_EAX_MODE requires CTR and LTC_OMAC mode
+#endif
+
+#define LTC_OCB_MODE
+#define LTC_CCM_MODE
+#define LTC_GCM_MODE
+
+/* Use 64KiB tables */
+#ifndef LTC_NO_TABLES
+   #define LTC_GCM_TABLES 
+#endif
+
+/* USE SSE2? requires GCC works on x86_32 and x86_64*/
+#ifdef LTC_GCM_TABLES
+/* #define LTC_GCM_TABLES_SSE2 */
+#endif
+
+#endif /* LTC_NO_MACS */
+
+/* Various tidbits of modern neatoness */
+#define LTC_BASE64
+
+/* --> Pseudo Random Number Generators <--- */
+#ifndef LTC_NO_PRNGS
+
+/* Yarrow */
+#define LTC_YARROW
+/* which descriptor of AES to use?  */
+/* 0 = rijndael_enc 1 = aes_enc, 2 = rijndael [full], 3 = aes [full] */
+#define LTC_YARROW_AES 0
+
+#if defined(LTC_YARROW) && !defined(LTC_CTR_MODE)
+   #error LTC_YARROW requires LTC_CTR_MODE chaining mode to be defined!
+#endif
+
+/* a PRNG that simply reads from an available system source */
+#define LTC_SPRNG
+
+/* The LTC_RC4 stream cipher */
+#define LTC_RC4
+
+/* Fortuna PRNG */
+#define LTC_FORTUNA
+/* reseed every N calls to the read function */
+#define LTC_FORTUNA_WD    10
+/* number of pools (4..32) can save a bit of ram by lowering the count */
+#define LTC_FORTUNA_POOLS 32
+
+/* Greg's LTC_SOBER128 PRNG ;-0 */
+#define LTC_SOBER128
+
+/* the *nix style /dev/random device */
+#define LTC_DEVRANDOM
+/* try /dev/urandom before trying /dev/random */
+#define TRY_URANDOM_FIRST
+
+#endif /* LTC_NO_PRNGS */
+
+/* ---> math provider? <--- */
+#ifndef LTC_NO_MATH
+
+/* LibTomMath */
+#define LTM_LTC_DESC
+
+/* TomsFastMath */
+//#define TFM_LTC_DESC
+
+#endif /* LTC_NO_MATH */
+
+/* ---> Public Key Crypto <--- */
+#ifndef LTC_NO_PK
+
+/* Include RSA support */
+#define LTC_MRSA
+
+/* Include Katja (a Rabin variant like RSA) */
+/* #define MKAT */ 
+
+/* Digital Signature Algorithm */
+#define LTC_MDSA
+
+/* ECC */
+#define LTC_MECC
+
+/* use Shamir's trick for point mul (speeds up signature verification) */
+#define LTC_ECC_SHAMIR
+
+#if defined(TFM_LTC_DESC) && defined(LTC_MECC)
+   #define LTC_MECC_ACCEL
+#endif   
+
+/* do we want fixed point ECC */
+/* #define LTC_MECC_FP */
+
+/* Timing Resistant? */
+/* #define LTC_ECC_TIMING_RESISTANT */
+
+#endif /* LTC_NO_PK */
+
+/* LTC_PKCS #1 (RSA) and #5 (Password Handling) stuff */
+#ifndef LTC_NO_PKCS
+
+#define LTC_PKCS_1
+#define LTC_PKCS_5
+
+/* Include ASN.1 DER (required by DSA/RSA) */
+#define LTC_DER
+
+#endif /* LTC_NO_PKCS */
+
+/* cleanup */
+
+#ifdef LTC_MECC
+/* Supported ECC Key Sizes */
+#ifndef LTC_NO_CURVES
+   #define ECC112
+   #define ECC128
+   #define ECC160
+   #define ECC192
+   #define ECC224
+   #define ECC256
+   #define ECC384
+   #define ECC521
+#endif
+#endif
+
+#if defined(LTC_MECC) || defined(LTC_MRSA) || defined(LTC_MDSA) || defined(MKATJA)
+   /* Include the MPI functionality?  (required by the PK algorithms) */
+   #define MPI
+#endif
+
+#ifdef LTC_MRSA
+   #define LTC_PKCS_1
+#endif   
+
+#if defined(LTC_DER) && !defined(MPI) 
+   #error ASN.1 DER requires MPI functionality
+#endif
+
+#if (defined(LTC_MDSA) || defined(LTC_MRSA) || defined(LTC_MECC) || defined(MKATJA)) && !defined(LTC_DER)
+   #error PK requires ASN.1 DER functionality, make sure LTC_DER is enabled
+#endif
+
+/* THREAD management */
+#ifdef LTC_PTHREAD
+
+#include <pthread.h>
+
+#define LTC_MUTEX_GLOBAL(x)   pthread_mutex_t x = PTHREAD_MUTEX_INITIALIZER;
+#define LTC_MUTEX_PROTO(x)    extern pthread_mutex_t x;
+#define LTC_MUTEX_TYPE(x)     pthread_mutex_t x;
+#define LTC_MUTEX_INIT(x)     pthread_mutex_init(x, NULL);
+#define LTC_MUTEX_LOCK(x)     pthread_mutex_lock(x);
+#define LTC_MUTEX_UNLOCK(x)   pthread_mutex_unlock(x);
+
+#else
+
+/* default no functions */
+#define LTC_MUTEX_GLOBAL(x)
+#define LTC_MUTEX_PROTO(x)
+#define LTC_MUTEX_TYPE(x)
+#define LTC_MUTEX_INIT(x)
+#define LTC_MUTEX_LOCK(x)
+#define LTC_MUTEX_UNLOCK(x)
+
+#endif
+
+/* Debuggers */
+
+/* define this if you use Valgrind, note: it CHANGES the way SOBER-128 and LTC_RC4 work (see the code) */
+/* #define LTC_VALGRIND */
+
+#endif
+
+
+
+/* $Source: /cvs/libtom/libtomcrypt/src/headers/tomcrypt_custom.h,v $ */
+/* $Revision: 1.73 $ */
+/* $Date: 2007/05/12 14:37:41 $ */
diff --git a/src/libtomcrypt/src/headers/tomcrypt_hash.h b/src/libtomcrypt/src/headers/tomcrypt_hash.h
new file mode 100644
index 0000000..18553eb
--- /dev/null
+++ b/src/libtomcrypt/src/headers/tomcrypt_hash.h
@@ -0,0 +1,378 @@
+/* ---- HASH FUNCTIONS ---- */
+#ifdef LTC_SHA512
+struct sha512_state {
+    ulong64  length, state[8];
+    unsigned long curlen;
+    unsigned char buf[128];
+};
+#endif
+
+#ifdef LTC_SHA256
+struct sha256_state {
+    ulong64 length;
+    ulong32 state[8], curlen;
+    unsigned char buf[64];
+};
+#endif
+
+#ifdef LTC_SHA1
+struct sha1_state {
+    ulong64 length;
+    ulong32 state[5], curlen;
+    unsigned char buf[64];
+};
+#endif
+
+#ifdef LTC_MD5
+struct md5_state {
+    ulong64 length;
+    ulong32 state[4], curlen;
+    unsigned char buf[64];
+};
+#endif
+
+#ifdef LTC_MD4
+struct md4_state {
+    ulong64 length;
+    ulong32 state[4], curlen;
+    unsigned char buf[64];
+};
+#endif
+
+#ifdef LTC_TIGER
+struct tiger_state {
+    ulong64 state[3], length;
+    unsigned long curlen;
+    unsigned char buf[64];
+};
+#endif
+
+#ifdef LTC_MD2
+struct md2_state {
+    unsigned char chksum[16], X[48], buf[16];
+    unsigned long curlen;
+};
+#endif
+
+#ifdef LTC_RIPEMD128
+struct rmd128_state {
+    ulong64 length;
+    unsigned char buf[64];
+    ulong32 curlen, state[4];
+};
+#endif
+
+#ifdef LTC_RIPEMD160
+struct rmd160_state {
+    ulong64 length;
+    unsigned char buf[64];
+    ulong32 curlen, state[5];
+};
+#endif
+
+#ifdef LTC_RIPEMD256
+struct rmd256_state {
+    ulong64 length;
+    unsigned char buf[64];
+    ulong32 curlen, state[8];
+};
+#endif
+
+#ifdef LTC_RIPEMD320
+struct rmd320_state {
+    ulong64 length;
+    unsigned char buf[64];
+    ulong32 curlen, state[10];
+};
+#endif
+
+#ifdef LTC_WHIRLPOOL
+struct whirlpool_state {
+    ulong64 length, state[8];
+    unsigned char buf[64];
+    ulong32 curlen;
+};
+#endif
+
+#ifdef LTC_CHC_HASH
+struct chc_state {
+    ulong64 length;
+    unsigned char state[MAXBLOCKSIZE], buf[MAXBLOCKSIZE];
+    ulong32 curlen;
+};
+#endif
+
+typedef union Hash_state {
+#ifdef LTC_CHC_HASH
+    struct chc_state chc;
+#endif
+#ifdef LTC_WHIRLPOOL
+    struct whirlpool_state whirlpool;
+#endif
+#ifdef LTC_SHA512
+    struct sha512_state sha512;
+#endif
+#ifdef LTC_SHA256
+    struct sha256_state sha256;
+#endif
+#ifdef LTC_SHA1
+    struct sha1_state   sha1;
+#endif
+#ifdef LTC_MD5
+    struct md5_state    md5;
+#endif
+#ifdef LTC_MD4
+    struct md4_state    md4;
+#endif
+#ifdef LTC_MD2
+    struct md2_state    md2;
+#endif
+#ifdef LTC_TIGER
+    struct tiger_state  tiger;
+#endif
+#ifdef LTC_RIPEMD128
+    struct rmd128_state rmd128;
+#endif
+#ifdef LTC_RIPEMD160
+    struct rmd160_state rmd160;
+#endif
+#ifdef LTC_RIPEMD256
+    struct rmd256_state rmd256;
+#endif
+#ifdef LTC_RIPEMD320
+    struct rmd320_state rmd320;
+#endif
+    void *data;
+} hash_state;
+
+/** hash descriptor */
+extern  struct ltc_hash_descriptor {
+    /** name of hash */
+    char *name;
+    /** internal ID */
+    unsigned char ID;
+    /** Size of digest in octets */
+    unsigned long hashsize;
+    /** Input block size in octets */
+    unsigned long blocksize;
+    /** ASN.1 OID */
+    unsigned long OID[16];
+    /** Length of DER encoding */
+    unsigned long OIDlen;
+
+    /** Init a hash state
+      @param hash   The hash to initialize
+      @return CRYPT_OK if successful
+    */
+    int (*init)(hash_state *hash);
+    /** Process a block of data 
+      @param hash   The hash state
+      @param in     The data to hash
+      @param inlen  The length of the data (octets)
+      @return CRYPT_OK if successful
+    */
+    int (*process)(hash_state *hash, const unsigned char *in, unsigned long inlen);
+    /** Produce the digest and store it
+      @param hash   The hash state
+      @param out    [out] The destination of the digest
+      @return CRYPT_OK if successful
+    */
+    int (*done)(hash_state *hash, unsigned char *out);
+    /** Self-test
+      @return CRYPT_OK if successful, CRYPT_NOP if self-tests have been disabled
+    */
+    int (*test)(void);
+
+    /* accelerated hmac callback: if you need to-do multiple packets just use the generic hmac_memory and provide a hash callback */
+    int  (*hmac_block)(const unsigned char *key, unsigned long  keylen,
+                       const unsigned char *in,  unsigned long  inlen, 
+                             unsigned char *out, unsigned long *outlen);
+
+} hash_descriptor[];
+
+#ifdef LTC_CHC_HASH
+int chc_register(int cipher);
+int chc_init(hash_state * md);
+int chc_process(hash_state * md, const unsigned char *in, unsigned long inlen);
+int chc_done(hash_state * md, unsigned char *hash);
+int chc_test(void);
+extern const struct ltc_hash_descriptor chc_desc;
+#endif
+
+#ifdef LTC_WHIRLPOOL
+int whirlpool_init(hash_state * md);
+int whirlpool_process(hash_state * md, const unsigned char *in, unsigned long inlen);
+int whirlpool_done(hash_state * md, unsigned char *hash);
+int whirlpool_test(void);
+extern const struct ltc_hash_descriptor whirlpool_desc;
+#endif
+
+#ifdef LTC_SHA512
+int sha512_init(hash_state * md);
+int sha512_process(hash_state * md, const unsigned char *in, unsigned long inlen);
+int sha512_done(hash_state * md, unsigned char *hash);
+int sha512_test(void);
+extern const struct ltc_hash_descriptor sha512_desc;
+#endif
+
+#ifdef LTC_SHA384
+#ifndef LTC_SHA512
+   #error LTC_SHA512 is required for LTC_SHA384
+#endif
+int sha384_init(hash_state * md);
+#define sha384_process sha512_process
+int sha384_done(hash_state * md, unsigned char *hash);
+int sha384_test(void);
+extern const struct ltc_hash_descriptor sha384_desc;
+#endif
+
+#ifdef LTC_SHA256
+int sha256_init(hash_state * md);
+int sha256_process(hash_state * md, const unsigned char *in, unsigned long inlen);
+int sha256_done(hash_state * md, unsigned char *hash);
+int sha256_test(void);
+extern const struct ltc_hash_descriptor sha256_desc;
+
+#ifdef LTC_SHA224
+#ifndef LTC_SHA256
+   #error LTC_SHA256 is required for LTC_SHA224
+#endif
+int sha224_init(hash_state * md);
+#define sha224_process sha256_process
+int sha224_done(hash_state * md, unsigned char *hash);
+int sha224_test(void);
+extern const struct ltc_hash_descriptor sha224_desc;
+#endif
+#endif
+
+#ifdef LTC_SHA1
+int sha1_init(hash_state * md);
+int sha1_process(hash_state * md, const unsigned char *in, unsigned long inlen);
+int sha1_done(hash_state * md, unsigned char *hash);
+int sha1_test(void);
+extern const struct ltc_hash_descriptor sha1_desc;
+#endif
+
+#ifdef LTC_MD5
+int md5_init(hash_state * md);
+int md5_process(hash_state * md, const unsigned char *in, unsigned long inlen);
+int md5_done(hash_state * md, unsigned char *hash);
+int md5_test(void);
+extern const struct ltc_hash_descriptor md5_desc;
+#endif
+
+#ifdef LTC_MD4
+int md4_init(hash_state * md);
+int md4_process(hash_state * md, const unsigned char *in, unsigned long inlen);
+int md4_done(hash_state * md, unsigned char *hash);
+int md4_test(void);
+extern const struct ltc_hash_descriptor md4_desc;
+#endif
+
+#ifdef LTC_MD2
+int md2_init(hash_state * md);
+int md2_process(hash_state * md, const unsigned char *in, unsigned long inlen);
+int md2_done(hash_state * md, unsigned char *hash);
+int md2_test(void);
+extern const struct ltc_hash_descriptor md2_desc;
+#endif
+
+#ifdef LTC_TIGER
+int tiger_init(hash_state * md);
+int tiger_process(hash_state * md, const unsigned char *in, unsigned long inlen);
+int tiger_done(hash_state * md, unsigned char *hash);
+int tiger_test(void);
+extern const struct ltc_hash_descriptor tiger_desc;
+#endif
+
+#ifdef LTC_RIPEMD128
+int rmd128_init(hash_state * md);
+int rmd128_process(hash_state * md, const unsigned char *in, unsigned long inlen);
+int rmd128_done(hash_state * md, unsigned char *hash);
+int rmd128_test(void);
+extern const struct ltc_hash_descriptor rmd128_desc;
+#endif
+
+#ifdef LTC_RIPEMD160
+int rmd160_init(hash_state * md);
+int rmd160_process(hash_state * md, const unsigned char *in, unsigned long inlen);
+int rmd160_done(hash_state * md, unsigned char *hash);
+int rmd160_test(void);
+extern const struct ltc_hash_descriptor rmd160_desc;
+#endif
+
+#ifdef LTC_RIPEMD256
+int rmd256_init(hash_state * md);
+int rmd256_process(hash_state * md, const unsigned char *in, unsigned long inlen);
+int rmd256_done(hash_state * md, unsigned char *hash);
+int rmd256_test(void);
+extern const struct ltc_hash_descriptor rmd256_desc;
+#endif
+
+#ifdef LTC_RIPEMD320
+int rmd320_init(hash_state * md);
+int rmd320_process(hash_state * md, const unsigned char *in, unsigned long inlen);
+int rmd320_done(hash_state * md, unsigned char *hash);
+int rmd320_test(void);
+extern const struct ltc_hash_descriptor rmd320_desc;
+#endif
+
+
+int find_hash(const char *name);
+int find_hash_id(unsigned char ID);
+int find_hash_oid(const unsigned long *ID, unsigned long IDlen);
+int find_hash_any(const char *name, int digestlen);
+int register_hash(const struct ltc_hash_descriptor *hash);
+int unregister_hash(const struct ltc_hash_descriptor *hash);
+int hash_is_valid(int idx);
+
+LTC_MUTEX_PROTO(ltc_hash_mutex)
+
+int hash_memory(int hash, 
+                const unsigned char *in,  unsigned long inlen, 
+                      unsigned char *out, unsigned long *outlen);
+int hash_memory_multi(int hash, unsigned char *out, unsigned long *outlen,
+                      const unsigned char *in, unsigned long inlen, ...);
+int hash_filehandle(int hash, FILE *in, unsigned char *out, unsigned long *outlen);
+int hash_file(int hash, const char *fname, unsigned char *out, unsigned long *outlen);
+
+/* a simple macro for making hash "process" functions */
+#define HASH_PROCESS(func_name, compress_name, state_var, block_size)                       \
+int func_name (hash_state * md, const unsigned char *in, unsigned long inlen)               \
+{                                                                                           \
+    unsigned long n;                                                                        \
+    int           err;                                                                      \
+    LTC_ARGCHK(md != NULL);                                                                 \
+    LTC_ARGCHK(in != NULL);                                                                 \
+    if (md-> state_var .curlen > sizeof(md-> state_var .buf)) {                             \
+       return CRYPT_INVALID_ARG;                                                            \
+    }                                                                                       \
+    while (inlen > 0) {                                                                     \
+        if (md-> state_var .curlen == 0 && inlen >= block_size) {                           \
+           if ((err = compress_name (md, (unsigned char *)in)) != CRYPT_OK) {               \
+              return err;                                                                   \
+           }                                                                                \
+           md-> state_var .length += block_size * 8;                                        \
+           in             += block_size;                                                    \
+           inlen          -= block_size;                                                    \
+        } else {                                                                            \
+           n = MIN(inlen, (block_size - md-> state_var .curlen));                           \
+           memcpy(md-> state_var .buf + md-> state_var.curlen, in, (size_t)n);              \
+           md-> state_var .curlen += n;                                                     \
+           in             += n;                                                             \
+           inlen          -= n;                                                             \
+           if (md-> state_var .curlen == block_size) {                                      \
+              if ((err = compress_name (md, md-> state_var .buf)) != CRYPT_OK) {            \
+                 return err;                                                                \
+              }                                                                             \
+              md-> state_var .length += 8*block_size;                                       \
+              md-> state_var .curlen = 0;                                                   \
+           }                                                                                \
+       }                                                                                    \
+    }                                                                                       \
+    return CRYPT_OK;                                                                        \
+}
+
+/* $Source: /cvs/libtom/libtomcrypt/src/headers/tomcrypt_hash.h,v $ */
+/* $Revision: 1.22 $ */
+/* $Date: 2007/05/12 14:32:35 $ */
diff --git a/src/libtomcrypt/src/headers/tomcrypt_mac.h b/src/libtomcrypt/src/headers/tomcrypt_mac.h
new file mode 100644
index 0000000..7ad9516
--- /dev/null
+++ b/src/libtomcrypt/src/headers/tomcrypt_mac.h
@@ -0,0 +1,384 @@
+#ifdef LTC_HMAC
+typedef struct Hmac_state {
+     hash_state     md;
+     int            hash;
+     hash_state     hashstate;
+     unsigned char  *key;
+} hmac_state;
+
+int hmac_init(hmac_state *hmac, int hash, const unsigned char *key, unsigned long keylen);
+int hmac_process(hmac_state *hmac, const unsigned char *in, unsigned long inlen);
+int hmac_done(hmac_state *hmac, unsigned char *out, unsigned long *outlen);
+int hmac_test(void);
+int hmac_memory(int hash, 
+                const unsigned char *key, unsigned long keylen,
+                const unsigned char *in,  unsigned long inlen, 
+                      unsigned char *out, unsigned long *outlen);
+int hmac_memory_multi(int hash, 
+                const unsigned char *key,  unsigned long keylen,
+                      unsigned char *out,  unsigned long *outlen,
+                const unsigned char *in,   unsigned long inlen, ...);
+int hmac_file(int hash, const char *fname, const unsigned char *key,
+              unsigned long keylen, 
+              unsigned char *dst, unsigned long *dstlen);
+#endif
+
+#ifdef LTC_OMAC
+
+typedef struct {
+   int             cipher_idx, 
+                   buflen,
+                   blklen;
+   unsigned char   block[MAXBLOCKSIZE],
+                   prev[MAXBLOCKSIZE],
+                   Lu[2][MAXBLOCKSIZE];
+   symmetric_key   key;
+} omac_state;
+
+int omac_init(omac_state *omac, int cipher, const unsigned char *key, unsigned long keylen);
+int omac_process(omac_state *omac, const unsigned char *in, unsigned long inlen);
+int omac_done(omac_state *omac, unsigned char *out, unsigned long *outlen);
+int omac_memory(int cipher, 
+               const unsigned char *key, unsigned long keylen,
+               const unsigned char *in,  unsigned long inlen,
+                     unsigned char *out, unsigned long *outlen);
+int omac_memory_multi(int cipher, 
+                const unsigned char *key, unsigned long keylen,
+                      unsigned char *out, unsigned long *outlen,
+                const unsigned char *in,  unsigned long inlen, ...);
+int omac_file(int cipher, 
+              const unsigned char *key, unsigned long keylen,
+              const          char *filename, 
+                    unsigned char *out, unsigned long *outlen);
+int omac_test(void);
+#endif /* LTC_OMAC */
+
+#ifdef LTC_PMAC
+
+typedef struct {
+   unsigned char     Ls[32][MAXBLOCKSIZE],    /* L shifted by i bits to the left */
+                     Li[MAXBLOCKSIZE],        /* value of Li [current value, we calc from previous recall] */
+                     Lr[MAXBLOCKSIZE],        /* L * x^-1 */
+                     block[MAXBLOCKSIZE],     /* currently accumulated block */
+                     checksum[MAXBLOCKSIZE];  /* current checksum */
+
+   symmetric_key     key;                     /* scheduled key for cipher */
+   unsigned long     block_index;             /* index # for current block */
+   int               cipher_idx,              /* cipher idx */
+                     block_len,               /* length of block */
+                     buflen;                  /* number of bytes in the buffer */
+} pmac_state;
+
+int pmac_init(pmac_state *pmac, int cipher, const unsigned char *key, unsigned long keylen);
+int pmac_process(pmac_state *pmac, const unsigned char *in, unsigned long inlen);
+int pmac_done(pmac_state *pmac, unsigned char *out, unsigned long *outlen);
+
+int pmac_memory(int cipher, 
+               const unsigned char *key, unsigned long keylen,
+               const unsigned char *msg, unsigned long msglen,
+                     unsigned char *out, unsigned long *outlen);
+
+int pmac_memory_multi(int cipher, 
+                const unsigned char *key, unsigned long keylen,
+                      unsigned char *out, unsigned long *outlen,
+                const unsigned char *in, unsigned long inlen, ...);
+
+int pmac_file(int cipher, 
+             const unsigned char *key, unsigned long keylen,
+             const          char *filename, 
+                   unsigned char *out, unsigned long *outlen);
+
+int pmac_test(void);
+
+/* internal functions */
+int pmac_ntz(unsigned long x);
+void pmac_shift_xor(pmac_state *pmac);
+
+#endif /* PMAC */
+
+#ifdef LTC_EAX_MODE
+
+#if !(defined(LTC_OMAC) && defined(LTC_CTR_MODE))
+   #error LTC_EAX_MODE requires LTC_OMAC and CTR
+#endif
+
+typedef struct {
+   unsigned char N[MAXBLOCKSIZE];
+   symmetric_CTR ctr;
+   omac_state    headeromac, ctomac;
+} eax_state;
+
+int eax_init(eax_state *eax, int cipher, const unsigned char *key, unsigned long keylen,
+             const unsigned char *nonce, unsigned long noncelen,
+             const unsigned char *header, unsigned long headerlen);
+
+int eax_encrypt(eax_state *eax, const unsigned char *pt, unsigned char *ct, unsigned long length);
+int eax_decrypt(eax_state *eax, const unsigned char *ct, unsigned char *pt, unsigned long length);
+int eax_addheader(eax_state *eax, const unsigned char *header, unsigned long length);
+int eax_done(eax_state *eax, unsigned char *tag, unsigned long *taglen);
+
+int eax_encrypt_authenticate_memory(int cipher,
+    const unsigned char *key,    unsigned long keylen,
+    const unsigned char *nonce,  unsigned long noncelen,
+    const unsigned char *header, unsigned long headerlen,
+    const unsigned char *pt,     unsigned long ptlen,
+          unsigned char *ct,
+          unsigned char *tag,    unsigned long *taglen);
+
+int eax_decrypt_verify_memory(int cipher,
+    const unsigned char *key,    unsigned long keylen,
+    const unsigned char *nonce,  unsigned long noncelen,
+    const unsigned char *header, unsigned long headerlen,
+    const unsigned char *ct,     unsigned long ctlen,
+          unsigned char *pt,
+          unsigned char *tag,    unsigned long taglen,
+          int           *stat);
+
+ int eax_test(void);
+#endif /* EAX MODE */
+
+#ifdef LTC_OCB_MODE
+typedef struct {
+   unsigned char     L[MAXBLOCKSIZE],         /* L value */
+                     Ls[32][MAXBLOCKSIZE],    /* L shifted by i bits to the left */
+                     Li[MAXBLOCKSIZE],        /* value of Li [current value, we calc from previous recall] */
+                     Lr[MAXBLOCKSIZE],        /* L * x^-1 */
+                     R[MAXBLOCKSIZE],         /* R value */
+                     checksum[MAXBLOCKSIZE];  /* current checksum */
+
+   symmetric_key     key;                     /* scheduled key for cipher */
+   unsigned long     block_index;             /* index # for current block */
+   int               cipher,                  /* cipher idx */
+                     block_len;               /* length of block */
+} ocb_state;
+
+int ocb_init(ocb_state *ocb, int cipher, 
+             const unsigned char *key, unsigned long keylen, const unsigned char *nonce);
+
+int ocb_encrypt(ocb_state *ocb, const unsigned char *pt, unsigned char *ct);
+int ocb_decrypt(ocb_state *ocb, const unsigned char *ct, unsigned char *pt);
+
+int ocb_done_encrypt(ocb_state *ocb, 
+                     const unsigned char *pt,  unsigned long ptlen,
+                           unsigned char *ct, 
+                           unsigned char *tag, unsigned long *taglen);
+
+int ocb_done_decrypt(ocb_state *ocb, 
+                     const unsigned char *ct,  unsigned long ctlen,
+                           unsigned char *pt, 
+                     const unsigned char *tag, unsigned long taglen, int *stat);
+
+int ocb_encrypt_authenticate_memory(int cipher,
+    const unsigned char *key,    unsigned long keylen,
+    const unsigned char *nonce,  
+    const unsigned char *pt,     unsigned long ptlen,
+          unsigned char *ct,
+          unsigned char *tag,    unsigned long *taglen);
+
+int ocb_decrypt_verify_memory(int cipher,
+    const unsigned char *key,    unsigned long keylen,
+    const unsigned char *nonce,  
+    const unsigned char *ct,     unsigned long ctlen,
+          unsigned char *pt,
+    const unsigned char *tag,    unsigned long taglen,
+          int           *stat);
+
+int ocb_test(void);
+
+/* internal functions */
+void ocb_shift_xor(ocb_state *ocb, unsigned char *Z);
+int ocb_ntz(unsigned long x);
+int s_ocb_done(ocb_state *ocb, const unsigned char *pt, unsigned long ptlen,
+               unsigned char *ct, unsigned char *tag, unsigned long *taglen, int mode);
+
+#endif /* LTC_OCB_MODE */
+
+#ifdef LTC_CCM_MODE
+
+#define CCM_ENCRYPT 0
+#define CCM_DECRYPT 1
+
+int ccm_memory(int cipher,
+    const unsigned char *key,    unsigned long keylen,
+    symmetric_key       *uskey,
+    const unsigned char *nonce,  unsigned long noncelen,
+    const unsigned char *header, unsigned long headerlen,
+          unsigned char *pt,     unsigned long ptlen,
+          unsigned char *ct,
+          unsigned char *tag,    unsigned long *taglen,
+                    int  direction);
+
+int ccm_test(void);
+
+#endif /* LTC_CCM_MODE */
+
+#if defined(LRW_MODE) || defined(LTC_GCM_MODE)
+void gcm_gf_mult(const unsigned char *a, const unsigned char *b, unsigned char *c);
+#endif
+
+
+/* table shared between GCM and LRW */
+#if defined(LTC_GCM_TABLES) || defined(LRW_TABLES) || ((defined(LTC_GCM_MODE) || defined(LTC_GCM_MODE)) && defined(LTC_FAST))
+extern const unsigned char gcm_shift_table[];
+#endif
+
+#ifdef LTC_GCM_MODE
+
+#define GCM_ENCRYPT 0
+#define GCM_DECRYPT 1
+
+#define LTC_GCM_MODE_IV    0
+#define LTC_GCM_MODE_AAD   1
+#define LTC_GCM_MODE_TEXT  2
+
+typedef struct { 
+   symmetric_key       K;
+   unsigned char       H[16],        /* multiplier */
+                       X[16],        /* accumulator */
+                       Y[16],        /* counter */
+                       Y_0[16],      /* initial counter */
+                       buf[16];      /* buffer for stuff */
+
+   int                 cipher,       /* which cipher */
+                       ivmode,       /* Which mode is the IV in? */
+                       mode,         /* mode the GCM code is in */
+                       buflen;       /* length of data in buf */
+
+   ulong64             totlen,       /* 64-bit counter used for IV and AAD */
+                       pttotlen;     /* 64-bit counter for the PT */
+
+#ifdef LTC_GCM_TABLES
+   unsigned char       PC[16][256][16]  /* 16 tables of 8x128 */
+#ifdef LTC_GCM_TABLES_SSE2
+__attribute__ ((aligned (16)))
+#endif
+;
+#endif  
+} gcm_state;
+
+void gcm_mult_h(gcm_state *gcm, unsigned char *I);
+
+int gcm_init(gcm_state *gcm, int cipher,
+             const unsigned char *key, int keylen);
+
+int gcm_reset(gcm_state *gcm);
+
+int gcm_add_iv(gcm_state *gcm, 
+               const unsigned char *IV,     unsigned long IVlen);
+
+int gcm_add_aad(gcm_state *gcm,
+               const unsigned char *adata,  unsigned long adatalen);
+
+int gcm_process(gcm_state *gcm,
+                     unsigned char *pt,     unsigned long ptlen,
+                     unsigned char *ct,
+                     int direction);
+
+int gcm_done(gcm_state *gcm, 
+                     unsigned char *tag,    unsigned long *taglen);
+
+int gcm_memory(      int           cipher,
+               const unsigned char *key,    unsigned long keylen,
+               const unsigned char *IV,     unsigned long IVlen,
+               const unsigned char *adata,  unsigned long adatalen,
+                     unsigned char *pt,     unsigned long ptlen,
+                     unsigned char *ct, 
+                     unsigned char *tag,    unsigned long *taglen,
+                               int direction);
+int gcm_test(void);
+
+#endif /* LTC_GCM_MODE */
+
+#ifdef LTC_PELICAN
+
+typedef struct pelican_state
+{
+    symmetric_key K;
+    unsigned char state[16];
+    int           buflen;
+} pelican_state;
+
+int pelican_init(pelican_state *pelmac, const unsigned char *key, unsigned long keylen);
+int pelican_process(pelican_state *pelmac, const unsigned char *in, unsigned long inlen);
+int pelican_done(pelican_state *pelmac, unsigned char *out);
+int pelican_test(void);
+
+int pelican_memory(const unsigned char *key, unsigned long keylen,
+                   const unsigned char *in, unsigned long inlen,
+                         unsigned char *out);
+
+#endif
+
+#ifdef LTC_XCBC
+
+/* add this to "keylen" to xcbc_init to use a pure three-key XCBC MAC */
+#define LTC_XCBC_PURE  0x8000UL
+
+typedef struct {
+   unsigned char K[3][MAXBLOCKSIZE],
+                 IV[MAXBLOCKSIZE];
+
+   symmetric_key key;
+
+             int cipher,
+                 buflen,
+                 blocksize;
+} xcbc_state;
+
+int xcbc_init(xcbc_state *xcbc, int cipher, const unsigned char *key, unsigned long keylen);
+int xcbc_process(xcbc_state *xcbc, const unsigned char *in, unsigned long inlen);
+int xcbc_done(xcbc_state *xcbc, unsigned char *out, unsigned long *outlen);
+int xcbc_memory(int cipher, 
+               const unsigned char *key, unsigned long keylen,
+               const unsigned char *in,  unsigned long inlen,
+                     unsigned char *out, unsigned long *outlen);
+int xcbc_memory_multi(int cipher, 
+                const unsigned char *key, unsigned long keylen,
+                      unsigned char *out, unsigned long *outlen,
+                const unsigned char *in,  unsigned long inlen, ...);
+int xcbc_file(int cipher, 
+              const unsigned char *key, unsigned long keylen,
+              const          char *filename, 
+                    unsigned char *out, unsigned long *outlen);
+int xcbc_test(void);
+
+#endif
+
+#ifdef LTC_F9_MODE
+
+typedef struct {
+   unsigned char akey[MAXBLOCKSIZE],
+                 ACC[MAXBLOCKSIZE],
+                 IV[MAXBLOCKSIZE];
+
+   symmetric_key key;
+
+             int cipher,
+                 buflen,
+                 keylen,
+                 blocksize;
+} f9_state;
+
+int f9_init(f9_state *f9, int cipher, const unsigned char *key, unsigned long keylen);
+int f9_process(f9_state *f9, const unsigned char *in, unsigned long inlen);
+int f9_done(f9_state *f9, unsigned char *out, unsigned long *outlen);
+int f9_memory(int cipher, 
+               const unsigned char *key, unsigned long keylen,
+               const unsigned char *in,  unsigned long inlen,
+                     unsigned char *out, unsigned long *outlen);
+int f9_memory_multi(int cipher, 
+                const unsigned char *key, unsigned long keylen,
+                      unsigned char *out, unsigned long *outlen,
+                const unsigned char *in,  unsigned long inlen, ...);
+int f9_file(int cipher, 
+              const unsigned char *key, unsigned long keylen,
+              const          char *filename, 
+                    unsigned char *out, unsigned long *outlen);
+int f9_test(void);
+
+#endif
+
+
+/* $Source: /cvs/libtom/libtomcrypt/src/headers/tomcrypt_mac.h,v $ */
+/* $Revision: 1.23 $ */
+/* $Date: 2007/05/12 14:37:41 $ */
diff --git a/src/libtomcrypt/src/headers/tomcrypt_macros.h b/src/libtomcrypt/src/headers/tomcrypt_macros.h
new file mode 100644
index 0000000..53bda9b
--- /dev/null
+++ b/src/libtomcrypt/src/headers/tomcrypt_macros.h
@@ -0,0 +1,424 @@
+/* fix for MSVC ...evil! */
+#ifdef _MSC_VER
+   #define CONST64(n) n ## ui64
+   typedef unsigned __int64 ulong64;
+#else
+   #define CONST64(n) n ## ULL
+   typedef unsigned long long ulong64;
+#endif
+
+/* this is the "32-bit at least" data type 
+ * Re-define it to suit your platform but it must be at least 32-bits 
+ */
+#if defined(__x86_64__) || (defined(__sparc__) && defined(__arch64__))
+   typedef unsigned ulong32;
+#else
+   typedef unsigned long ulong32;
+#endif
+
+/* ---- HELPER MACROS ---- */
+#ifdef ENDIAN_NEUTRAL
+
+#define STORE32L(x, y)                                                                     \
+     { (y)[3] = (unsigned char)(((x)>>24)&255); (y)[2] = (unsigned char)(((x)>>16)&255);   \
+       (y)[1] = (unsigned char)(((x)>>8)&255); (y)[0] = (unsigned char)((x)&255); }
+
+#define LOAD32L(x, y)                            \
+     { x = ((unsigned long)((y)[3] & 255)<<24) | \
+           ((unsigned long)((y)[2] & 255)<<16) | \
+           ((unsigned long)((y)[1] & 255)<<8)  | \
+           ((unsigned long)((y)[0] & 255)); }
+
+#define STORE64L(x, y)                                                                     \
+     { (y)[7] = (unsigned char)(((x)>>56)&255); (y)[6] = (unsigned char)(((x)>>48)&255);   \
+       (y)[5] = (unsigned char)(((x)>>40)&255); (y)[4] = (unsigned char)(((x)>>32)&255);   \
+       (y)[3] = (unsigned char)(((x)>>24)&255); (y)[2] = (unsigned char)(((x)>>16)&255);   \
+       (y)[1] = (unsigned char)(((x)>>8)&255); (y)[0] = (unsigned char)((x)&255); }
+
+#define LOAD64L(x, y)                                                       \
+     { x = (((ulong64)((y)[7] & 255))<<56)|(((ulong64)((y)[6] & 255))<<48)| \
+           (((ulong64)((y)[5] & 255))<<40)|(((ulong64)((y)[4] & 255))<<32)| \
+           (((ulong64)((y)[3] & 255))<<24)|(((ulong64)((y)[2] & 255))<<16)| \
+           (((ulong64)((y)[1] & 255))<<8)|(((ulong64)((y)[0] & 255))); }
+
+#define STORE32H(x, y)                                                                     \
+     { (y)[0] = (unsigned char)(((x)>>24)&255); (y)[1] = (unsigned char)(((x)>>16)&255);   \
+       (y)[2] = (unsigned char)(((x)>>8)&255); (y)[3] = (unsigned char)((x)&255); }
+
+#define LOAD32H(x, y)                            \
+     { x = ((unsigned long)((y)[0] & 255)<<24) | \
+           ((unsigned long)((y)[1] & 255)<<16) | \
+           ((unsigned long)((y)[2] & 255)<<8)  | \
+           ((unsigned long)((y)[3] & 255)); }
+
+#define STORE64H(x, y)                                                                     \
+   { (y)[0] = (unsigned char)(((x)>>56)&255); (y)[1] = (unsigned char)(((x)>>48)&255);     \
+     (y)[2] = (unsigned char)(((x)>>40)&255); (y)[3] = (unsigned char)(((x)>>32)&255);     \
+     (y)[4] = (unsigned char)(((x)>>24)&255); (y)[5] = (unsigned char)(((x)>>16)&255);     \
+     (y)[6] = (unsigned char)(((x)>>8)&255); (y)[7] = (unsigned char)((x)&255); }
+
+#define LOAD64H(x, y)                                                      \
+   { x = (((ulong64)((y)[0] & 255))<<56)|(((ulong64)((y)[1] & 255))<<48) | \
+         (((ulong64)((y)[2] & 255))<<40)|(((ulong64)((y)[3] & 255))<<32) | \
+         (((ulong64)((y)[4] & 255))<<24)|(((ulong64)((y)[5] & 255))<<16) | \
+         (((ulong64)((y)[6] & 255))<<8)|(((ulong64)((y)[7] & 255))); }
+
+#endif /* ENDIAN_NEUTRAL */
+
+#ifdef ENDIAN_LITTLE
+
+#if !defined(LTC_NO_BSWAP) && (defined(INTEL_CC) || (defined(__GNUC__) && (defined(__DJGPP__) || defined(__CYGWIN__) || defined(__MINGW32__) || defined(__i386__) || defined(__x86_64__))))
+
+#define STORE32H(x, y)           \
+asm __volatile__ (               \
+   "bswapl %0     \n\t"          \
+   "movl   %0,(%1)\n\t"          \
+   "bswapl %0     \n\t"          \
+      ::"r"(x), "r"(y));
+
+#define LOAD32H(x, y)          \
+asm __volatile__ (             \
+   "movl (%1),%0\n\t"          \
+   "bswapl %0\n\t"             \
+   :"=r"(x): "r"(y));
+
+#else
+
+#define STORE32H(x, y)                                                                     \
+     { (y)[0] = (unsigned char)(((x)>>24)&255); (y)[1] = (unsigned char)(((x)>>16)&255);   \
+       (y)[2] = (unsigned char)(((x)>>8)&255); (y)[3] = (unsigned char)((x)&255); }
+
+#define LOAD32H(x, y)                            \
+     { x = ((unsigned long)((y)[0] & 255)<<24) | \
+           ((unsigned long)((y)[1] & 255)<<16) | \
+           ((unsigned long)((y)[2] & 255)<<8)  | \
+           ((unsigned long)((y)[3] & 255)); }
+
+#endif
+
+
+/* x86_64 processor */
+#if !defined(LTC_NO_BSWAP) && (defined(__GNUC__) && defined(__x86_64__))
+
+#define STORE64H(x, y)           \
+asm __volatile__ (               \
+   "bswapq %0     \n\t"          \
+   "movq   %0,(%1)\n\t"          \
+   "bswapq %0     \n\t"          \
+      ::"r"(x), "r"(y));
+
+#define LOAD64H(x, y)          \
+asm __volatile__ (             \
+   "movq (%1),%0\n\t"          \
+   "bswapq %0\n\t"             \
+   :"=r"(x): "r"(y));
+
+#else
+
+#define STORE64H(x, y)                                                                     \
+   { (y)[0] = (unsigned char)(((x)>>56)&255); (y)[1] = (unsigned char)(((x)>>48)&255);     \
+     (y)[2] = (unsigned char)(((x)>>40)&255); (y)[3] = (unsigned char)(((x)>>32)&255);     \
+     (y)[4] = (unsigned char)(((x)>>24)&255); (y)[5] = (unsigned char)(((x)>>16)&255);     \
+     (y)[6] = (unsigned char)(((x)>>8)&255); (y)[7] = (unsigned char)((x)&255); }
+
+#define LOAD64H(x, y)                                                      \
+   { x = (((ulong64)((y)[0] & 255))<<56)|(((ulong64)((y)[1] & 255))<<48) | \
+         (((ulong64)((y)[2] & 255))<<40)|(((ulong64)((y)[3] & 255))<<32) | \
+         (((ulong64)((y)[4] & 255))<<24)|(((ulong64)((y)[5] & 255))<<16) | \
+         (((ulong64)((y)[6] & 255))<<8)|(((ulong64)((y)[7] & 255))); }
+
+#endif
+
+#ifdef ENDIAN_32BITWORD 
+
+#define STORE32L(x, y)        \
+     { ulong32  __t = (x); XMEMCPY(y, &__t, 4); }
+
+#define LOAD32L(x, y)         \
+     XMEMCPY(&(x), y, 4);
+
+#define STORE64L(x, y)                                                                     \
+     { (y)[7] = (unsigned char)(((x)>>56)&255); (y)[6] = (unsigned char)(((x)>>48)&255);   \
+       (y)[5] = (unsigned char)(((x)>>40)&255); (y)[4] = (unsigned char)(((x)>>32)&255);   \
+       (y)[3] = (unsigned char)(((x)>>24)&255); (y)[2] = (unsigned char)(((x)>>16)&255);   \
+       (y)[1] = (unsigned char)(((x)>>8)&255); (y)[0] = (unsigned char)((x)&255); }
+
+#define LOAD64L(x, y)                                                       \
+     { x = (((ulong64)((y)[7] & 255))<<56)|(((ulong64)((y)[6] & 255))<<48)| \
+           (((ulong64)((y)[5] & 255))<<40)|(((ulong64)((y)[4] & 255))<<32)| \
+           (((ulong64)((y)[3] & 255))<<24)|(((ulong64)((y)[2] & 255))<<16)| \
+           (((ulong64)((y)[1] & 255))<<8)|(((ulong64)((y)[0] & 255))); }
+
+#else /* 64-bit words then  */
+
+#define STORE32L(x, y)        \
+     { ulong32 __t = (x); XMEMCPY(y, &__t, 4); }
+
+#define LOAD32L(x, y)         \
+     { XMEMCPY(&(x), y, 4); x &= 0xFFFFFFFF; }
+
+#define STORE64L(x, y)        \
+     { ulong64 __t = (x); XMEMCPY(y, &__t, 8); }
+
+#define LOAD64L(x, y)         \
+    { XMEMCPY(&(x), y, 8); }
+
+#endif /* ENDIAN_64BITWORD */
+
+#endif /* ENDIAN_LITTLE */
+
+#ifdef ENDIAN_BIG
+#define STORE32L(x, y)                                                                     \
+     { (y)[3] = (unsigned char)(((x)>>24)&255); (y)[2] = (unsigned char)(((x)>>16)&255);   \
+       (y)[1] = (unsigned char)(((x)>>8)&255); (y)[0] = (unsigned char)((x)&255); }
+
+#define LOAD32L(x, y)                            \
+     { x = ((unsigned long)((y)[3] & 255)<<24) | \
+           ((unsigned long)((y)[2] & 255)<<16) | \
+           ((unsigned long)((y)[1] & 255)<<8)  | \
+           ((unsigned long)((y)[0] & 255)); }
+
+#define STORE64L(x, y)                                                                     \
+   { (y)[7] = (unsigned char)(((x)>>56)&255); (y)[6] = (unsigned char)(((x)>>48)&255);     \
+     (y)[5] = (unsigned char)(((x)>>40)&255); (y)[4] = (unsigned char)(((x)>>32)&255);     \
+     (y)[3] = (unsigned char)(((x)>>24)&255); (y)[2] = (unsigned char)(((x)>>16)&255);     \
+     (y)[1] = (unsigned char)(((x)>>8)&255); (y)[0] = (unsigned char)((x)&255); }
+
+#define LOAD64L(x, y)                                                      \
+   { x = (((ulong64)((y)[7] & 255))<<56)|(((ulong64)((y)[6] & 255))<<48) | \
+         (((ulong64)((y)[5] & 255))<<40)|(((ulong64)((y)[4] & 255))<<32) | \
+         (((ulong64)((y)[3] & 255))<<24)|(((ulong64)((y)[2] & 255))<<16) | \
+         (((ulong64)((y)[1] & 255))<<8)|(((ulong64)((y)[0] & 255))); }
+
+#ifdef ENDIAN_32BITWORD 
+
+#define STORE32H(x, y)        \
+     { ulong32 __t = (x); XMEMCPY(y, &__t, 4); }
+
+#define LOAD32H(x, y)         \
+     XMEMCPY(&(x), y, 4);
+
+#define STORE64H(x, y)                                                                     \
+     { (y)[0] = (unsigned char)(((x)>>56)&255); (y)[1] = (unsigned char)(((x)>>48)&255);   \
+       (y)[2] = (unsigned char)(((x)>>40)&255); (y)[3] = (unsigned char)(((x)>>32)&255);   \
+       (y)[4] = (unsigned char)(((x)>>24)&255); (y)[5] = (unsigned char)(((x)>>16)&255);   \
+       (y)[6] = (unsigned char)(((x)>>8)&255);  (y)[7] = (unsigned char)((x)&255); }
+
+#define LOAD64H(x, y)                                                       \
+     { x = (((ulong64)((y)[0] & 255))<<56)|(((ulong64)((y)[1] & 255))<<48)| \
+           (((ulong64)((y)[2] & 255))<<40)|(((ulong64)((y)[3] & 255))<<32)| \
+           (((ulong64)((y)[4] & 255))<<24)|(((ulong64)((y)[5] & 255))<<16)| \
+           (((ulong64)((y)[6] & 255))<<8)| (((ulong64)((y)[7] & 255))); }
+
+#else /* 64-bit words then  */
+
+#define STORE32H(x, y)        \
+     { ulong32 __t = (x); XMEMCPY(y, &__t, 4); }
+
+#define LOAD32H(x, y)         \
+     { XMEMCPY(&(x), y, 4); x &= 0xFFFFFFFF; }
+
+#define STORE64H(x, y)        \
+     { ulong64 __t = (x); XMEMCPY(y, &__t, 8); }
+
+#define LOAD64H(x, y)         \
+    { XMEMCPY(&(x), y, 8); }
+
+#endif /* ENDIAN_64BITWORD */
+#endif /* ENDIAN_BIG */
+
+#define BSWAP(x)  ( ((x>>24)&0x000000FFUL) | ((x<<24)&0xFF000000UL)  | \
+                    ((x>>8)&0x0000FF00UL)  | ((x<<8)&0x00FF0000UL) )
+
+
+/* 32-bit Rotates */
+#if defined(_MSC_VER)
+
+/* instrinsic rotate */
+#include <stdlib.h>
+#pragma intrinsic(_lrotr,_lrotl)
+#define ROR(x,n) _lrotr(x,n)
+#define ROL(x,n) _lrotl(x,n)
+#define RORc(x,n) _lrotr(x,n)
+#define ROLc(x,n) _lrotl(x,n)
+
+#elif !defined(__STRICT_ANSI__) && defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) && !defined(INTEL_CC) && !defined(LTC_NO_ASM)
+
+static inline unsigned ROL(unsigned word, int i)
+{
+   asm ("roll %%cl,%0"
+      :"=r" (word)
+      :"0" (word),"c" (i));
+   return word;
+}
+
+static inline unsigned ROR(unsigned word, int i)
+{
+   asm ("rorl %%cl,%0"
+      :"=r" (word)
+      :"0" (word),"c" (i));
+   return word;
+}
+
+#ifndef LTC_NO_ROLC
+
+static inline unsigned ROLc(unsigned word, const int i)
+{
+   asm ("roll %2,%0"
+      :"=r" (word)
+      :"0" (word),"I" (i));
+   return word;
+}
+
+static inline unsigned RORc(unsigned word, const int i)
+{
+   asm ("rorl %2,%0"
+      :"=r" (word)
+      :"0" (word),"I" (i));
+   return word;
+}
+
+#else
+
+#define ROLc ROL
+#define RORc ROR
+
+#endif
+
+#elif !defined(__STRICT_ANSI__) && defined(LTC_PPC32)
+
+static inline unsigned ROL(unsigned word, int i)
+{
+   asm ("rotlw %0,%0,%2"
+      :"=r" (word)
+      :"0" (word),"r" (i));
+   return word;
+}
+
+static inline unsigned ROR(unsigned word, int i)
+{
+   asm ("rotlw %0,%0,%2"
+      :"=r" (word)
+      :"0" (word),"r" (32-i));
+   return word;
+}
+
+#ifndef LTC_NO_ROLC
+
+static inline unsigned ROLc(unsigned word, const int i)
+{
+   asm ("rotlwi %0,%0,%2"
+      :"=r" (word)
+      :"0" (word),"I" (i));
+   return word;
+}
+
+static inline unsigned RORc(unsigned word, const int i)
+{
+   asm ("rotrwi %0,%0,%2"
+      :"=r" (word)
+      :"0" (word),"I" (i));
+   return word;
+}
+
+#else
+
+#define ROLc ROL
+#define RORc ROR
+
+#endif
+
+
+#else
+
+/* rotates the hard way */
+#define ROL(x, y) ( (((unsigned long)(x)<<(unsigned long)((y)&31)) | (((unsigned long)(x)&0xFFFFFFFFUL)>>(unsigned long)(32-((y)&31)))) & 0xFFFFFFFFUL)
+#define ROR(x, y) ( ((((unsigned long)(x)&0xFFFFFFFFUL)>>(unsigned long)((y)&31)) | ((unsigned long)(x)<<(unsigned long)(32-((y)&31)))) & 0xFFFFFFFFUL)
+#define ROLc(x, y) ( (((unsigned long)(x)<<(unsigned long)((y)&31)) | (((unsigned long)(x)&0xFFFFFFFFUL)>>(unsigned long)(32-((y)&31)))) & 0xFFFFFFFFUL)
+#define RORc(x, y) ( ((((unsigned long)(x)&0xFFFFFFFFUL)>>(unsigned long)((y)&31)) | ((unsigned long)(x)<<(unsigned long)(32-((y)&31)))) & 0xFFFFFFFFUL)
+
+#endif
+
+
+/* 64-bit Rotates */
+#if !defined(__STRICT_ANSI__) && defined(__GNUC__) && defined(__x86_64__) && !defined(LTC_NO_ASM)
+
+static inline unsigned long ROL64(unsigned long word, int i)
+{
+   asm("rolq %%cl,%0"
+      :"=r" (word)
+      :"0" (word),"c" (i));
+   return word;
+}
+
+static inline unsigned long ROR64(unsigned long word, int i)
+{
+   asm("rorq %%cl,%0"
+      :"=r" (word)
+      :"0" (word),"c" (i));
+   return word;
+}
+
+#ifndef LTC_NO_ROLC
+
+static inline unsigned long ROL64c(unsigned long word, const int i)
+{
+   asm("rolq %2,%0"
+      :"=r" (word)
+      :"0" (word),"J" (i));
+   return word;
+}
+
+static inline unsigned long ROR64c(unsigned long word, const int i)
+{
+   asm("rorq %2,%0"
+      :"=r" (word)
+      :"0" (word),"J" (i));
+   return word;
+}
+
+#else /* LTC_NO_ROLC */
+
+#define ROL64c ROL64
+#define ROR64c ROR64
+
+#endif
+
+#else /* Not x86_64  */
+
+#define ROL64(x, y) \
+    ( (((x)<<((ulong64)(y)&63)) | \
+      (((x)&CONST64(0xFFFFFFFFFFFFFFFF))>>((ulong64)64-((y)&63)))) & CONST64(0xFFFFFFFFFFFFFFFF))
+
+#define ROR64(x, y) \
+    ( ((((x)&CONST64(0xFFFFFFFFFFFFFFFF))>>((ulong64)(y)&CONST64(63))) | \
+      ((x)<<((ulong64)(64-((y)&CONST64(63)))))) & CONST64(0xFFFFFFFFFFFFFFFF))
+
+#define ROL64c(x, y) \
+    ( (((x)<<((ulong64)(y)&63)) | \
+      (((x)&CONST64(0xFFFFFFFFFFFFFFFF))>>((ulong64)64-((y)&63)))) & CONST64(0xFFFFFFFFFFFFFFFF))
+
+#define ROR64c(x, y) \
+    ( ((((x)&CONST64(0xFFFFFFFFFFFFFFFF))>>((ulong64)(y)&CONST64(63))) | \
+      ((x)<<((ulong64)(64-((y)&CONST64(63)))))) & CONST64(0xFFFFFFFFFFFFFFFF))
+
+#endif
+
+#ifndef MAX
+   #define MAX(x, y) ( ((x)>(y))?(x):(y) )
+#endif
+
+#ifndef MIN
+   #define MIN(x, y) ( ((x)<(y))?(x):(y) )
+#endif
+
+/* extract a byte portably */
+#ifdef _MSC_VER
+   #define byte(x, n) ((unsigned char)((x) >> (8 * (n))))
+#else
+   #define byte(x, n) (((x) >> (8 * (n))) & 255)
+#endif   
+
+/* $Source: /cvs/libtom/libtomcrypt/src/headers/tomcrypt_macros.h,v $ */
+/* $Revision: 1.15 $ */
+/* $Date: 2006/11/29 23:43:57 $ */
diff --git a/src/libtomcrypt/src/headers/tomcrypt_math.h b/src/libtomcrypt/src/headers/tomcrypt_math.h
new file mode 100644
index 0000000..a05d7ff
--- /dev/null
+++ b/src/libtomcrypt/src/headers/tomcrypt_math.h
@@ -0,0 +1,500 @@
+/** math functions **/
+
+#define LTC_MP_LT   -1
+#define LTC_MP_EQ    0
+#define LTC_MP_GT    1
+
+#define LTC_MP_NO    0
+#define LTC_MP_YES   1
+
+#ifndef LTC_MECC
+   typedef void ecc_point;
+#endif
+
+#ifndef LTC_MRSA
+   typedef void rsa_key;
+#endif
+
+/** math descriptor */
+typedef struct {
+   /** Name of the math provider */
+   char *name;
+
+   /** Bits per digit, amount of bits must fit in an unsigned long */
+   int  bits_per_digit;
+
+/* ---- init/deinit functions ---- */
+
+   /** initialize a bignum
+     @param   a     The number to initialize
+     @return  CRYPT_OK on success
+   */
+   int (*init)(void **a);
+   
+   /** init copy 
+     @param  dst    The number to initialize and write to
+     @param  src    The number to copy from
+     @return CRYPT_OK on success
+   */
+   int (*init_copy)(void **dst, void *src);
+
+   /** deinit 
+      @param   a    The number to free
+      @return CRYPT_OK on success
+   */
+   void (*deinit)(void *a);
+
+/* ---- data movement ---- */
+
+   /** negate
+      @param   src   The number to negate
+      @param   dst   The destination
+      @return CRYPT_OK on success
+   */
+   int (*neg)(void *src, void *dst);
+   
+   /** copy 
+      @param   src   The number to copy from
+      @param   dst   The number to write to 
+      @return CRYPT_OK on success
+   */
+   int (*copy)(void *src, void *dst);
+
+/* ---- trivial low level functions ---- */
+
+   /** set small constant 
+      @param a    Number to write to
+      @param n    Source upto bits_per_digit (actually meant for very small constants) 
+      @return CRYPT_OK on succcess
+   */
+   int (*set_int)(void *a, unsigned long n);
+
+   /** get small constant 
+      @param a    Number to read, only fetches upto bits_per_digit from the number
+      @return  The lower bits_per_digit of the integer (unsigned)
+   */
+   unsigned long (*get_int)(void *a);
+
+   /** get digit n 
+     @param a  The number to read from
+     @param n  The number of the digit to fetch
+     @return  The bits_per_digit  sized n'th digit of a
+   */
+   unsigned long (*get_digit)(void *a, int n);
+
+   /** Get the number of digits that represent the number
+     @param a   The number to count
+     @return The number of digits used to represent the number
+   */
+   int (*get_digit_count)(void *a);
+
+   /** compare two integers
+     @param a   The left side integer
+     @param b   The right side integer
+     @return LTC_MP_LT if a < b, LTC_MP_GT if a > b and LTC_MP_EQ otherwise.  (signed comparison)
+   */
+   int (*compare)(void *a, void *b);
+
+   /** compare against int 
+     @param a   The left side integer
+     @param b   The right side integer (upto bits_per_digit)
+     @return LTC_MP_LT if a < b, LTC_MP_GT if a > b and LTC_MP_EQ otherwise.  (signed comparison)
+   */
+   int (*compare_d)(void *a, unsigned long n);
+
+   /** Count the number of bits used to represent the integer
+     @param a   The integer to count
+     @return The number of bits required to represent the integer
+   */
+   int (*count_bits)(void * a);
+
+   /** Count the number of LSB bits which are zero 
+     @param a   The integer to count
+     @return The number of contiguous zero LSB bits
+   */
+   int (*count_lsb_bits)(void *a);
+
+   /** Compute a power of two
+     @param a  The integer to store the power in
+     @param n  The power of two you want to store (a = 2^n)
+     @return CRYPT_OK on success
+   */
+   int (*twoexpt)(void *a , int n);
+
+/* ---- radix conversions ---- */
+   
+   /** read ascii string 
+     @param a     The integer to store into
+     @param str   The string to read
+     @param radix The radix the integer has been represented in (2-64)
+     @return CRYPT_OK on success
+   */
+   int (*read_radix)(void *a, const char *str, int radix);
+
+   /** write number to string
+     @param a     The integer to store
+     @param str   The destination for the string
+     @param radix The radix the integer is to be represented in (2-64)
+     @return CRYPT_OK on success
+   */
+   int (*write_radix)(void *a, char *str, int radix);
+
+   /** get size as unsigned char string 
+     @param a     The integer to get the size (when stored in array of octets)
+     @return The length of the integer
+   */
+   unsigned long (*unsigned_size)(void *a);
+
+   /** store an integer as an array of octets 
+     @param src   The integer to store
+     @param dst   The buffer to store the integer in
+     @return CRYPT_OK on success
+   */
+   int (*unsigned_write)(void *src, unsigned char *dst);
+
+   /** read an array of octets and store as integer
+     @param dst   The integer to load
+     @param src   The array of octets 
+     @param len   The number of octets 
+     @return CRYPT_OK on success
+   */
+   int (*unsigned_read)(void *dst, unsigned char *src, unsigned long len);
+
+/* ---- basic math ---- */
+
+   /** add two integers 
+     @param a   The first source integer
+     @param b   The second source integer
+     @param c   The destination of "a + b"
+     @return CRYPT_OK on success
+   */
+   int (*add)(void *a, void *b, void *c);
+
+
+   /** add two integers 
+     @param a   The first source integer
+     @param b   The second source integer (single digit of upto bits_per_digit in length)
+     @param c   The destination of "a + b"
+     @return CRYPT_OK on success
+   */
+   int (*addi)(void *a, unsigned long b, void *c);
+
+   /** subtract two integers 
+     @param a   The first source integer
+     @param b   The second source integer
+     @param c   The destination of "a - b"
+     @return CRYPT_OK on success
+   */
+   int (*sub)(void *a, void *b, void *c);
+
+   /** subtract two integers 
+     @param a   The first source integer
+     @param b   The second source integer (single digit of upto bits_per_digit in length)
+     @param c   The destination of "a - b"
+     @return CRYPT_OK on success
+   */
+   int (*subi)(void *a, unsigned long b, void *c);
+
+   /** multiply two integers 
+     @param a   The first source integer
+     @param b   The second source integer (single digit of upto bits_per_digit in length)
+     @param c   The destination of "a * b"
+     @return CRYPT_OK on success
+   */
+   int (*mul)(void *a, void *b, void *c);
+
+   /** multiply two integers 
+     @param a   The first source integer
+     @param b   The second source integer (single digit of upto bits_per_digit in length)
+     @param c   The destination of "a * b"
+     @return CRYPT_OK on success
+   */
+   int (*muli)(void *a, unsigned long b, void *c);
+
+   /** Square an integer
+     @param a    The integer to square
+     @param b    The destination
+     @return CRYPT_OK on success
+   */
+   int (*sqr)(void *a, void *b);
+
+   /** Divide an integer
+     @param a    The dividend
+     @param b    The divisor
+     @param c    The quotient (can be NULL to signify don't care)
+     @param d    The remainder (can be NULL to signify don't care)
+     @return CRYPT_OK on success
+   */
+   int (*mpdiv)(void *a, void *b, void *c, void *d);
+
+   /** divide by two 
+      @param  a   The integer to divide (shift right)
+      @param  b   The destination 
+      @return CRYPT_OK on success
+   */
+   int (*div_2)(void *a, void *b);
+
+   /** Get remainder (small value)
+      @param  a    The integer to reduce
+      @param  b    The modulus (upto bits_per_digit in length)
+      @param  c    The destination for the residue
+      @return CRYPT_OK on success
+   */
+   int (*modi)(void *a, unsigned long b, unsigned long *c);
+
+   /** gcd 
+      @param  a     The first integer
+      @param  b     The second integer
+      @param  c     The destination for (a, b)
+      @return CRYPT_OK on success
+   */
+   int (*gcd)(void *a, void *b, void *c);
+
+   /** lcm 
+      @param  a     The first integer
+      @param  b     The second integer
+      @param  c     The destination for [a, b]
+      @return CRYPT_OK on success
+   */
+   int (*lcm)(void *a, void *b, void *c);
+
+   /** Modular multiplication
+      @param  a     The first source
+      @param  b     The second source 
+      @param  c     The modulus
+      @param  d     The destination (a*b mod c)
+      @return CRYPT_OK on success
+   */
+   int (*mulmod)(void *a, void *b, void *c, void *d);
+
+   /** Modular squaring
+      @param  a     The first source
+      @param  b     The modulus
+      @param  c     The destination (a*a mod b)
+      @return CRYPT_OK on success
+   */
+   int (*sqrmod)(void *a, void *b, void *c);
+
+   /** Modular inversion
+      @param  a     The value to invert
+      @param  b     The modulus 
+      @param  c     The destination (1/a mod b)
+      @return CRYPT_OK on success
+   */
+   int (*invmod)(void *, void *, void *);
+
+/* ---- reduction ---- */
+
+   /** setup montgomery
+       @param a  The modulus 
+       @param b  The destination for the reduction digit 
+       @return CRYPT_OK on success
+   */
+   int (*montgomery_setup)(void *a, void **b);
+
+   /** get normalization value 
+       @param a   The destination for the normalization value
+       @param b   The modulus
+       @return  CRYPT_OK on success
+   */
+   int (*montgomery_normalization)(void *a, void *b);
+
+   /** reduce a number
+       @param a   The number [and dest] to reduce
+       @param b   The modulus
+       @param c   The value "b" from montgomery_setup()
+       @return CRYPT_OK on success
+   */
+   int (*montgomery_reduce)(void *a, void *b, void *c);
+
+   /** clean up  (frees memory)
+       @param a   The value "b" from montgomery_setup()
+       @return CRYPT_OK on success
+   */      
+   void (*montgomery_deinit)(void *a);
+
+/* ---- exponentiation ---- */
+
+   /** Modular exponentiation
+       @param a    The base integer
+       @param b    The power (can be negative) integer
+       @param c    The modulus integer
+       @param d    The destination
+       @return CRYPT_OK on success
+   */
+   int (*exptmod)(void *a, void *b, void *c, void *d);
+
+   /** Primality testing
+       @param a     The integer to test
+       @param b     The destination of the result (FP_YES if prime)
+       @return CRYPT_OK on success
+   */
+   int (*isprime)(void *a, int *b);
+
+/* ----  (optional) ecc point math ---- */
+
+   /** ECC GF(p) point multiplication (from the NIST curves)
+       @param k   The integer to multiply the point by
+       @param G   The point to multiply
+       @param R   The destination for kG  
+       @param modulus  The modulus for the field
+       @param map Boolean indicated whether to map back to affine or not (can be ignored if you work in affine only)
+       @return CRYPT_OK on success
+   */
+   int (*ecc_ptmul)(void *k, ecc_point *G, ecc_point *R, void *modulus, int map);
+
+   /** ECC GF(p) point addition 
+       @param P    The first point
+       @param Q    The second point
+       @param R    The destination of P + Q
+       @param modulus  The modulus
+       @param mp   The "b" value from montgomery_setup()
+       @return CRYPT_OK on success
+   */
+   int (*ecc_ptadd)(ecc_point *P, ecc_point *Q, ecc_point *R, void *modulus, void *mp);
+
+   /** ECC GF(p) point double 
+       @param P    The first point
+       @param R    The destination of 2P
+       @param modulus  The modulus
+       @param mp   The "b" value from montgomery_setup()
+       @return CRYPT_OK on success
+   */
+   int (*ecc_ptdbl)(ecc_point *P, ecc_point *R, void *modulus, void *mp);
+
+   /** ECC mapping from projective to affine, currently uses (x,y,z) => (x/z^2, y/z^3, 1)
+       @param P     The point to map
+       @param modulus The modulus
+       @param mp    The "b" value from montgomery_setup()
+       @return CRYPT_OK on success
+       @remark  The mapping can be different but keep in mind a ecc_point only has three 
+                integers (x,y,z) so if you use a different mapping you have to make it fit.
+   */
+   int (*ecc_map)(ecc_point *P, void *modulus, void *mp);
+
+   /** Computes kA*A + kB*B = C using Shamir's Trick
+       @param A        First point to multiply
+       @param kA       What to multiple A by
+       @param B        Second point to multiply
+       @param kB       What to multiple B by
+       @param C        [out] Destination point (can overlap with A or B
+       @param modulus  Modulus for curve 
+       @return CRYPT_OK on success
+   */ 
+   int (*ecc_mul2add)(ecc_point *A, void *kA,
+                      ecc_point *B, void *kB,
+                      ecc_point *C,
+                           void *modulus);
+
+/* ---- (optional) rsa optimized math (for internal CRT) ---- */
+
+   /** RSA Key Generation 
+       @param prng     An active PRNG state
+       @param wprng    The index of the PRNG desired
+       @param size     The size of the modulus (key size) desired (octets)
+       @param e        The "e" value (public key).  e==65537 is a good choice
+       @param key      [out] Destination of a newly created private key pair
+       @return CRYPT_OK if successful, upon error all allocated ram is freed
+    */
+    int (*rsa_keygen)(prng_state *prng, int wprng, int size, long e, rsa_key *key);
+   
+
+   /** RSA exponentiation
+      @param in       The octet array representing the base
+      @param inlen    The length of the input
+      @param out      The destination (to be stored in an octet array format)
+      @param outlen   The length of the output buffer and the resulting size (zero padded to the size of the modulus)
+      @param which    PK_PUBLIC for public RSA and PK_PRIVATE for private RSA
+      @param key      The RSA key to use 
+      @return CRYPT_OK on success
+   */
+   int (*rsa_me)(const unsigned char *in,   unsigned long inlen,
+                       unsigned char *out,  unsigned long *outlen, int which,
+                       rsa_key *key);
+} ltc_math_descriptor;
+
+extern ltc_math_descriptor ltc_mp;
+
+int ltc_init_multi(void **a, ...);
+void ltc_deinit_multi(void *a, ...);
+
+#ifdef LTM_DESC
+extern const ltc_math_descriptor ltm_desc;
+#endif
+
+#ifdef TFM_DESC
+extern const ltc_math_descriptor tfm_desc;
+#endif
+
+#ifdef GMP_DESC
+extern const ltc_math_descriptor gmp_desc;
+#endif
+
+#if !defined(DESC_DEF_ONLY) && defined(LTC_SOURCE)
+
+#define MP_DIGIT_BIT                 ltc_mp.bits_per_digit
+
+/* some handy macros */
+#define mp_init(a)                   ltc_mp.init(a)
+#define mp_init_multi                ltc_init_multi
+#define mp_clear(a)                  ltc_mp.deinit(a)
+#define mp_clear_multi               ltc_deinit_multi
+#define mp_init_copy(a, b)           ltc_mp.init_copy(a, b)
+
+#define mp_neg(a, b)                 ltc_mp.neg(a, b)
+#define mp_copy(a, b)                ltc_mp.copy(a, b)
+
+#define mp_set(a, b)                 ltc_mp.set_int(a, b)
+#define mp_set_int(a, b)             ltc_mp.set_int(a, b)
+#define mp_get_int(a)                ltc_mp.get_int(a)
+#define mp_get_digit(a, n)           ltc_mp.get_digit(a, n)
+#define mp_get_digit_count(a)        ltc_mp.get_digit_count(a)
+#define mp_cmp(a, b)                 ltc_mp.compare(a, b)
+#define mp_cmp_d(a, b)               ltc_mp.compare_d(a, b)
+#define mp_count_bits(a)             ltc_mp.count_bits(a)
+#define mp_cnt_lsb(a)                ltc_mp.count_lsb_bits(a)
+#define mp_2expt(a, b)               ltc_mp.twoexpt(a, b)
+
+#define mp_read_radix(a, b, c)       ltc_mp.read_radix(a, b, c)
+#define mp_toradix(a, b, c)          ltc_mp.write_radix(a, b, c)
+#define mp_unsigned_bin_size(a)      ltc_mp.unsigned_size(a)
+#define mp_to_unsigned_bin(a, b)     ltc_mp.unsigned_write(a, b)
+#define mp_read_unsigned_bin(a, b, c) ltc_mp.unsigned_read(a, b, c)
+
+#define mp_add(a, b, c)              ltc_mp.add(a, b, c)
+#define mp_add_d(a, b, c)            ltc_mp.addi(a, b, c)
+#define mp_sub(a, b, c)              ltc_mp.sub(a, b, c)
+#define mp_sub_d(a, b, c)            ltc_mp.subi(a, b, c)
+#define mp_mul(a, b, c)              ltc_mp.mul(a, b, c)
+#define mp_mul_d(a, b, c)            ltc_mp.muli(a, b, c)
+#define mp_sqr(a, b)                 ltc_mp.sqr(a, b)
+#define mp_div(a, b, c, d)           ltc_mp.mpdiv(a, b, c, d)
+#define mp_div_2(a, b)               ltc_mp.div_2(a, b)
+#define mp_mod(a, b, c)              ltc_mp.mpdiv(a, b, NULL, c)
+#define mp_mod_d(a, b, c)            ltc_mp.modi(a, b, c)
+#define mp_gcd(a, b, c)              ltc_mp.gcd(a, b, c)
+#define mp_lcm(a, b, c)              ltc_mp.lcm(a, b, c)
+
+#define mp_mulmod(a, b, c, d)        ltc_mp.mulmod(a, b, c, d)
+#define mp_sqrmod(a, b, c)           ltc_mp.sqrmod(a, b, c)
+#define mp_invmod(a, b, c)           ltc_mp.invmod(a, b, c)
+
+#define mp_montgomery_setup(a, b)    ltc_mp.montgomery_setup(a, b)
+#define mp_montgomery_normalization(a, b) ltc_mp.montgomery_normalization(a, b)
+#define mp_montgomery_reduce(a, b, c)   ltc_mp.montgomery_reduce(a, b, c)
+#define mp_montgomery_free(a)        ltc_mp.montgomery_deinit(a)
+
+#define mp_exptmod(a,b,c,d)          ltc_mp.exptmod(a,b,c,d)
+#define mp_prime_is_prime(a, b, c)   ltc_mp.isprime(a, c)
+
+#define mp_iszero(a)                 (mp_cmp_d(a, 0) == LTC_MP_EQ ? LTC_MP_YES : LTC_MP_NO)
+#define mp_isodd(a)                  (mp_get_digit_count(a) > 0 ? (mp_get_digit(a, 0) & 1 ? LTC_MP_YES : LTC_MP_NO) : LTC_MP_NO)
+#define mp_exch(a, b)                do { void *ABC__tmp = a; a = b; b = ABC__tmp; } while(0);
+
+#define mp_tohex(a, b)               mp_toradix(a, b, 16)
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/headers/tomcrypt_math.h,v $ */
+/* $Revision: 1.44 $ */
+/* $Date: 2007/05/12 14:32:35 $ */
diff --git a/src/libtomcrypt/src/headers/tomcrypt_misc.h b/src/libtomcrypt/src/headers/tomcrypt_misc.h
new file mode 100644
index 0000000..f5384ca
--- /dev/null
+++ b/src/libtomcrypt/src/headers/tomcrypt_misc.h
@@ -0,0 +1,23 @@
+/* ---- LTC_BASE64 Routines ---- */
+#ifdef LTC_BASE64
+int base64_encode(const unsigned char *in,  unsigned long len, 
+                        unsigned char *out, unsigned long *outlen);
+
+int base64_decode(const unsigned char *in,  unsigned long len, 
+                        unsigned char *out, unsigned long *outlen);
+#endif
+
+/* ---- MEM routines ---- */
+void zeromem(void *dst, size_t len);
+void burn_stack(unsigned long len);
+
+const char *error_to_string(int err);
+
+extern const char *crypt_build_settings;
+
+/* ---- HMM ---- */
+int crypt_fsa(void *mp, ...);
+
+/* $Source: /cvs/libtom/libtomcrypt/src/headers/tomcrypt_misc.h,v $ */
+/* $Revision: 1.5 $ */
+/* $Date: 2007/05/12 14:32:35 $ */
diff --git a/src/libtomcrypt/src/headers/tomcrypt_pk.h b/src/libtomcrypt/src/headers/tomcrypt_pk.h
new file mode 100644
index 0000000..b5f277a
--- /dev/null
+++ b/src/libtomcrypt/src/headers/tomcrypt_pk.h
@@ -0,0 +1,558 @@
+/* ---- NUMBER THEORY ---- */
+
+enum {
+   PK_PUBLIC=0,
+   PK_PRIVATE=1
+};
+
+int rand_prime(void *N, long len, prng_state *prng, int wprng);
+
+/* ---- RSA ---- */
+#ifdef LTC_MRSA
+
+/* Min and Max RSA key sizes (in bits) */
+#define MIN_RSA_SIZE 1024
+#define MAX_RSA_SIZE 4096
+
+/** RSA LTC_PKCS style key */
+typedef struct Rsa_key {
+    /** Type of key, PK_PRIVATE or PK_PUBLIC */
+    int type;
+    /** The public exponent */
+    void *e; 
+    /** The private exponent */
+    void *d; 
+    /** The modulus */
+    void *N; 
+    /** The p factor of N */
+    void *p; 
+    /** The q factor of N */
+    void *q; 
+    /** The 1/q mod p CRT param */
+    void *qP; 
+    /** The d mod (p - 1) CRT param */
+    void *dP; 
+    /** The d mod (q - 1) CRT param */
+    void *dQ;
+} rsa_key;
+
+int rsa_make_key(prng_state *prng, int wprng, int size, long e, rsa_key *key);
+
+int rsa_exptmod(const unsigned char *in,   unsigned long inlen,
+                      unsigned char *out,  unsigned long *outlen, int which,
+                      rsa_key *key);
+
+void rsa_free(rsa_key *key);
+
+/* These use LTC_PKCS #1 v2.0 padding */
+#define rsa_encrypt_key(_in, _inlen, _out, _outlen, _lparam, _lparamlen, _prng, _prng_idx, _hash_idx, _key) \
+  rsa_encrypt_key_ex(_in, _inlen, _out, _outlen, _lparam, _lparamlen, _prng, _prng_idx, _hash_idx, LTC_LTC_PKCS_1_OAEP, _key)
+
+#define rsa_decrypt_key(_in, _inlen, _out, _outlen, _lparam, _lparamlen, _hash_idx, _stat, _key) \
+  rsa_decrypt_key_ex(_in, _inlen, _out, _outlen, _lparam, _lparamlen, _hash_idx, LTC_LTC_PKCS_1_OAEP, _stat, _key)
+
+#define rsa_sign_hash(_in, _inlen, _out, _outlen, _prng, _prng_idx, _hash_idx, _saltlen, _key) \
+  rsa_sign_hash_ex(_in, _inlen, _out, _outlen, LTC_LTC_PKCS_1_PSS, _prng, _prng_idx, _hash_idx, _saltlen, _key)
+
+#define rsa_verify_hash(_sig, _siglen, _hash, _hashlen, _hash_idx, _saltlen, _stat, _key) \
+  rsa_verify_hash_ex(_sig, _siglen, _hash, _hashlen, LTC_LTC_PKCS_1_PSS, _hash_idx, _saltlen, _stat, _key)
+
+/* These can be switched between LTC_PKCS #1 v2.x and LTC_PKCS #1 v1.5 paddings */
+int rsa_encrypt_key_ex(const unsigned char *in,     unsigned long inlen,
+                             unsigned char *out,    unsigned long *outlen,
+                       const unsigned char *lparam, unsigned long lparamlen,
+                       prng_state *prng, int prng_idx, int hash_idx, int padding, rsa_key *key);
+
+int rsa_decrypt_key_ex(const unsigned char *in,       unsigned long  inlen,
+                             unsigned char *out,      unsigned long *outlen,
+                       const unsigned char *lparam,   unsigned long  lparamlen,
+                             int            hash_idx, int            padding,
+                             int           *stat,     rsa_key       *key);
+
+int rsa_sign_hash_ex(const unsigned char *in,       unsigned long  inlen,
+                           unsigned char *out,      unsigned long *outlen,
+                           int            padding,
+                           prng_state    *prng,     int            prng_idx,
+                           int            hash_idx, unsigned long  saltlen,
+                           rsa_key *key);
+
+int rsa_verify_hash_ex(const unsigned char *sig,      unsigned long siglen,
+                       const unsigned char *hash,     unsigned long hashlen,
+                             int            padding,
+                             int            hash_idx, unsigned long saltlen,
+                             int           *stat,     rsa_key      *key);
+
+/* LTC_PKCS #1 import/export */
+int rsa_export(unsigned char *out, unsigned long *outlen, int type, rsa_key *key);
+int rsa_import(const unsigned char *in, unsigned long inlen, rsa_key *key);
+
+/* Ladik: Added for verifying Blizzard strong signature verification */
+int rsa_verify_simple(const unsigned char *sig,  unsigned long siglen,
+                      const unsigned char *hash, unsigned long hashlen,
+                            int           *stat,
+                            rsa_key       *key);
+
+#endif
+
+/* ---- Katja ---- */
+#ifdef MKAT
+
+/* Min and Max KAT key sizes (in bits) */
+#define MIN_KAT_SIZE 1024
+#define MAX_KAT_SIZE 4096
+
+/** Katja LTC_PKCS style key */
+typedef struct KAT_key {
+    /** Type of key, PK_PRIVATE or PK_PUBLIC */
+    int type;
+    /** The private exponent */
+    void *d; 
+    /** The modulus */
+    void *N; 
+    /** The p factor of N */
+    void *p; 
+    /** The q factor of N */
+    void *q; 
+    /** The 1/q mod p CRT param */
+    void *qP; 
+    /** The d mod (p - 1) CRT param */
+    void *dP; 
+    /** The d mod (q - 1) CRT param */
+    void *dQ;
+    /** The pq param */
+    void *pq;
+} katja_key;
+
+int katja_make_key(prng_state *prng, int wprng, int size, katja_key *key);
+
+int katja_exptmod(const unsigned char *in,   unsigned long inlen,
+                        unsigned char *out,  unsigned long *outlen, int which,
+                        katja_key *key);
+
+void katja_free(katja_key *key);
+
+/* These use LTC_PKCS #1 v2.0 padding */
+int katja_encrypt_key(const unsigned char *in,     unsigned long inlen,
+                            unsigned char *out,    unsigned long *outlen,
+                      const unsigned char *lparam, unsigned long lparamlen,
+                      prng_state *prng, int prng_idx, int hash_idx, katja_key *key);
+                                        
+int katja_decrypt_key(const unsigned char *in,       unsigned long inlen,
+                            unsigned char *out,      unsigned long *outlen, 
+                      const unsigned char *lparam,   unsigned long lparamlen,
+                            int            hash_idx, int *stat,
+                            katja_key       *key);
+
+/* LTC_PKCS #1 import/export */
+int katja_export(unsigned char *out, unsigned long *outlen, int type, katja_key *key);
+int katja_import(const unsigned char *in, unsigned long inlen, katja_key *key);
+                        
+#endif
+
+/* ---- ECC Routines ---- */
+#ifdef LTC_MECC
+
+/* size of our temp buffers for exported keys */
+#define ECC_BUF_SIZE 256
+
+/* max private key size */
+#define ECC_MAXSIZE  66
+
+/** Structure defines a NIST GF(p) curve */
+typedef struct {
+   /** The size of the curve in octets */
+   int size;
+
+   /** name of curve */
+   char *name; 
+
+   /** The prime that defines the field the curve is in (encoded in hex) */
+   char *prime;
+
+   /** The fields B param (hex) */
+   char *B;
+
+   /** The order of the curve (hex) */
+   char *order;
+  
+   /** The x co-ordinate of the base point on the curve (hex) */
+   char *Gx;
+ 
+   /** The y co-ordinate of the base point on the curve (hex) */
+   char *Gy;
+} ltc_ecc_set_type;
+
+/** A point on a ECC curve, stored in Jacbobian format such that (x,y,z) => (x/z^2, y/z^3, 1) when interpretted as affine */
+typedef struct {
+    /** The x co-ordinate */
+    void *x;
+
+    /** The y co-ordinate */
+    void *y;
+
+    /** The z co-ordinate */
+    void *z;
+} ecc_point;
+
+/** An ECC key */
+typedef struct {
+    /** Type of key, PK_PRIVATE or PK_PUBLIC */
+    int type;
+
+    /** Index into the ltc_ecc_sets[] for the parameters of this curve; if -1, then this key is using user supplied curve in dp */
+    int idx;
+
+	/** pointer to domain parameters; either points to NIST curves (identified by idx >= 0) or user supplied curve */
+	const ltc_ecc_set_type *dp;
+
+    /** The public key */
+    ecc_point pubkey;
+
+    /** The private key */
+    void *k;
+} ecc_key;
+
+/** the ECC params provided */
+extern const ltc_ecc_set_type ltc_ecc_sets[];
+
+int  ecc_test(void);
+void ecc_sizes(int *low, int *high);
+int  ecc_get_size(ecc_key *key);
+
+int  ecc_make_key(prng_state *prng, int wprng, int keysize, ecc_key *key);
+int  ecc_make_key_ex(prng_state *prng, int wprng, ecc_key *key, const ltc_ecc_set_type *dp);
+void ecc_free(ecc_key *key);
+
+int  ecc_export(unsigned char *out, unsigned long *outlen, int type, ecc_key *key);
+int  ecc_import(const unsigned char *in, unsigned long inlen, ecc_key *key);
+int  ecc_import_ex(const unsigned char *in, unsigned long inlen, ecc_key *key, const ltc_ecc_set_type *dp);
+
+int ecc_ansi_x963_export(ecc_key *key, unsigned char *out, unsigned long *outlen);
+int ecc_ansi_x963_import(const unsigned char *in, unsigned long inlen, ecc_key *key);
+int ecc_ansi_x963_import_ex(const unsigned char *in, unsigned long inlen, ecc_key *key, ltc_ecc_set_type *dp);
+
+int  ecc_shared_secret(ecc_key *private_key, ecc_key *public_key, 
+                       unsigned char *out, unsigned long *outlen);
+
+int  ecc_encrypt_key(const unsigned char *in,   unsigned long inlen,
+                           unsigned char *out,  unsigned long *outlen, 
+                           prng_state *prng, int wprng, int hash, 
+                           ecc_key *key);
+
+int  ecc_decrypt_key(const unsigned char *in,  unsigned long  inlen,
+                           unsigned char *out, unsigned long *outlen, 
+                           ecc_key *key);
+
+int  ecc_sign_hash(const unsigned char *in,  unsigned long inlen, 
+                         unsigned char *out, unsigned long *outlen, 
+                         prng_state *prng, int wprng, ecc_key *key);
+
+int  ecc_verify_hash(const unsigned char *sig,  unsigned long siglen,
+                     const unsigned char *hash, unsigned long hashlen, 
+                     int *stat, ecc_key *key);
+
+/* low level functions */
+ecc_point *ltc_ecc_new_point(void);
+void       ltc_ecc_del_point(ecc_point *p);
+int        ltc_ecc_is_valid_idx(int n);
+
+/* point ops (mp == montgomery digit) */
+#if !defined(LTC_MECC_ACCEL) || defined(LTM_LTC_DESC) || defined(GMP_LTC_DESC)
+/* R = 2P */
+int ltc_ecc_projective_dbl_point(ecc_point *P, ecc_point *R, void *modulus, void *mp);
+
+/* R = P + Q */
+int ltc_ecc_projective_add_point(ecc_point *P, ecc_point *Q, ecc_point *R, void *modulus, void *mp);
+#endif
+
+#if defined(LTC_MECC_FP)
+/* optimized point multiplication using fixed point cache (HAC algorithm 14.117) */
+int ltc_ecc_fp_mulmod(void *k, ecc_point *G, ecc_point *R, void *modulus, int map);
+
+/* functions for saving/loading/freeing/adding to fixed point cache */
+int ltc_ecc_fp_save_state(unsigned char **out, unsigned long *outlen);
+int ltc_ecc_fp_restore_state(unsigned char *in, unsigned long inlen);
+void ltc_ecc_fp_free(void);
+int ltc_ecc_fp_add_point(ecc_point *g, void *modulus, int lock);
+
+/* lock/unlock all points currently in fixed point cache */
+void ltc_ecc_fp_tablelock(int lock);
+#endif
+
+/* R = kG */
+int ltc_ecc_mulmod(void *k, ecc_point *G, ecc_point *R, void *modulus, int map);
+
+#ifdef LTC_ECC_SHAMIR
+/* kA*A + kB*B = C */
+int ltc_ecc_mul2add(ecc_point *A, void *kA,
+                    ecc_point *B, void *kB,
+                    ecc_point *C,
+                         void *modulus);
+
+#ifdef LTC_MECC_FP
+/* Shamir's trick with optimized point multiplication using fixed point cache */
+int ltc_ecc_fp_mul2add(ecc_point *A, void *kA,
+                       ecc_point *B, void *kB,
+                       ecc_point *C, void *modulus);
+#endif
+
+#endif
+
+
+/* map P to affine from projective */
+int ltc_ecc_map(ecc_point *P, void *modulus, void *mp);
+
+#endif
+
+#ifdef LTC_MDSA
+
+/* Max diff between group and modulus size in bytes */
+#define LTC_MDSA_DELTA     512
+
+/* Max DSA group size in bytes (default allows 4k-bit groups) */
+#define LTC_MDSA_MAX_GROUP 512
+
+/** DSA key structure */
+typedef struct {
+   /** The key type, PK_PRIVATE or PK_PUBLIC */
+   int type; 
+
+   /** The order of the sub-group used in octets */
+   int qord;
+
+   /** The generator  */
+   void *g;
+
+   /** The prime used to generate the sub-group */
+   void *q;
+
+   /** The large prime that generats the field the contains the sub-group */
+   void *p;
+
+   /** The private key */
+   void *x;
+
+   /** The public key */
+   void *y;
+} dsa_key;
+
+int dsa_make_key(prng_state *prng, int wprng, int group_size, int modulus_size, dsa_key *key);
+void dsa_free(dsa_key *key);
+
+int dsa_sign_hash_raw(const unsigned char *in,  unsigned long inlen,
+                                   void *r,   void *s,
+                               prng_state *prng, int wprng, dsa_key *key);
+
+int dsa_sign_hash(const unsigned char *in,  unsigned long inlen,
+                        unsigned char *out, unsigned long *outlen,
+                        prng_state *prng, int wprng, dsa_key *key);
+
+int dsa_verify_hash_raw(         void *r,          void *s,
+                    const unsigned char *hash, unsigned long hashlen, 
+                                    int *stat,      dsa_key *key);
+
+int dsa_verify_hash(const unsigned char *sig,  unsigned long siglen,
+                    const unsigned char *hash, unsigned long hashlen, 
+                          int           *stat, dsa_key       *key);
+
+int dsa_encrypt_key(const unsigned char *in,   unsigned long inlen,
+                          unsigned char *out,  unsigned long *outlen, 
+                          prng_state *prng, int wprng, int hash, 
+                          dsa_key *key);
+                      
+int dsa_decrypt_key(const unsigned char *in,  unsigned long  inlen,
+                          unsigned char *out, unsigned long *outlen, 
+                          dsa_key *key);
+                          
+int dsa_import(const unsigned char *in, unsigned long inlen, dsa_key *key);
+int dsa_export(unsigned char *out, unsigned long *outlen, int type, dsa_key *key);
+int dsa_verify_key(dsa_key *key, int *stat);
+
+int dsa_shared_secret(void          *private_key, void *base,
+                      dsa_key       *public_key,
+                      unsigned char *out,         unsigned long *outlen);
+#endif
+
+#ifdef LTC_DER
+/* DER handling */
+
+enum {
+ LTC_ASN1_EOL,
+ LTC_ASN1_BOOLEAN,
+ LTC_ASN1_INTEGER,
+ LTC_ASN1_SHORT_INTEGER,
+ LTC_ASN1_BIT_STRING,
+ LTC_ASN1_OCTET_STRING,
+ LTC_ASN1_NULL,
+ LTC_ASN1_OBJECT_IDENTIFIER,
+ LTC_ASN1_IA5_STRING,
+ LTC_ASN1_PRINTABLE_STRING,
+ LTC_ASN1_UTF8_STRING,
+ LTC_ASN1_UTCTIME,
+ LTC_ASN1_CHOICE,
+ LTC_ASN1_SEQUENCE,
+ LTC_ASN1_SET,
+ LTC_ASN1_SETOF
+};
+
+/** A LTC ASN.1 list type */
+typedef struct ltc_asn1_list_ {
+   /** The LTC ASN.1 enumerated type identifier */
+   int           type;
+   /** The data to encode or place for decoding */
+   void         *data;
+   /** The size of the input or resulting output */
+   unsigned long size;
+   /** The used flag, this is used by the CHOICE ASN.1 type to indicate which choice was made */
+   int           used;
+   /** prev/next entry in the list */
+   struct ltc_asn1_list_ *prev, *next, *child, *parent;
+} ltc_asn1_list;
+
+#define LTC_SET_ASN1(list, index, Type, Data, Size)  \
+   do {                                              \
+      int LTC_MACRO_temp            = (index);       \
+      ltc_asn1_list *LTC_MACRO_list = (list);        \
+      LTC_MACRO_list[LTC_MACRO_temp].type = (Type);  \
+      LTC_MACRO_list[LTC_MACRO_temp].data = (void*)(Data);  \
+      LTC_MACRO_list[LTC_MACRO_temp].size = (Size);  \
+      LTC_MACRO_list[LTC_MACRO_temp].used = 0;       \
+   } while (0);
+
+/* SEQUENCE */
+int der_encode_sequence_ex(ltc_asn1_list *list, unsigned long inlen,
+                           unsigned char *out,  unsigned long *outlen, int type_of);
+                          
+#define der_encode_sequence(list, inlen, out, outlen) der_encode_sequence_ex(list, inlen, out, outlen, LTC_ASN1_SEQUENCE)                        
+
+int der_decode_sequence_ex(const unsigned char *in, unsigned long  inlen,
+                           ltc_asn1_list *list,     unsigned long  outlen, int ordered);
+                              
+#define der_decode_sequence(in, inlen, list, outlen) der_decode_sequence_ex(in, inlen, list, outlen, 1)
+
+int der_length_sequence(ltc_asn1_list *list, unsigned long inlen,
+                        unsigned long *outlen);
+
+/* SET */
+#define der_decode_set(in, inlen, list, outlen) der_decode_sequence_ex(in, inlen, list, outlen, 0)
+#define der_length_set der_length_sequence
+int der_encode_set(ltc_asn1_list *list, unsigned long inlen,
+                   unsigned char *out,  unsigned long *outlen);
+
+int der_encode_setof(ltc_asn1_list *list, unsigned long inlen,
+                     unsigned char *out,  unsigned long *outlen);
+                        
+/* VA list handy helpers with triplets of <type, size, data> */
+int der_encode_sequence_multi(unsigned char *out, unsigned long *outlen, ...);
+int der_decode_sequence_multi(const unsigned char *in, unsigned long inlen, ...);
+
+/* FLEXI DECODER handle unknown list decoder */
+int  der_decode_sequence_flexi(const unsigned char *in, unsigned long *inlen, ltc_asn1_list **out);
+void der_free_sequence_flexi(ltc_asn1_list *list);
+void der_sequence_free(ltc_asn1_list *in);
+
+/* BOOLEAN */
+int der_length_boolean(unsigned long *outlen);
+int der_encode_boolean(int in, 
+                       unsigned char *out, unsigned long *outlen);
+int der_decode_boolean(const unsigned char *in, unsigned long inlen,
+                                       int *out);		       
+/* INTEGER */
+int der_encode_integer(void *num, unsigned char *out, unsigned long *outlen);
+int der_decode_integer(const unsigned char *in, unsigned long inlen, void *num);
+int der_length_integer(void *num, unsigned long *len);
+
+/* INTEGER -- handy for 0..2^32-1 values */
+int der_decode_short_integer(const unsigned char *in, unsigned long inlen, unsigned long *num);
+int der_encode_short_integer(unsigned long num, unsigned char *out, unsigned long *outlen);
+int der_length_short_integer(unsigned long num, unsigned long *outlen);
+
+/* BIT STRING */
+int der_encode_bit_string(const unsigned char *in, unsigned long inlen,
+                                unsigned char *out, unsigned long *outlen);
+int der_decode_bit_string(const unsigned char *in, unsigned long inlen,
+                                unsigned char *out, unsigned long *outlen);
+int der_length_bit_string(unsigned long nbits, unsigned long *outlen);
+
+/* OCTET STRING */
+int der_encode_octet_string(const unsigned char *in, unsigned long inlen,
+                                  unsigned char *out, unsigned long *outlen);
+int der_decode_octet_string(const unsigned char *in, unsigned long inlen,
+                                  unsigned char *out, unsigned long *outlen);
+int der_length_octet_string(unsigned long noctets, unsigned long *outlen);
+
+/* OBJECT IDENTIFIER */
+int der_encode_object_identifier(unsigned long *words, unsigned long  nwords,
+                                 unsigned char *out,   unsigned long *outlen);
+int der_decode_object_identifier(const unsigned char *in,    unsigned long  inlen,
+                                       unsigned long *words, unsigned long *outlen);
+int der_length_object_identifier(unsigned long *words, unsigned long nwords, unsigned long *outlen);
+unsigned long der_object_identifier_bits(unsigned long x);
+
+/* IA5 STRING */
+int der_encode_ia5_string(const unsigned char *in, unsigned long inlen,
+                                unsigned char *out, unsigned long *outlen);
+int der_decode_ia5_string(const unsigned char *in, unsigned long inlen,
+                                unsigned char *out, unsigned long *outlen);
+int der_length_ia5_string(const unsigned char *octets, unsigned long noctets, unsigned long *outlen);
+
+int der_ia5_char_encode(int c);
+int der_ia5_value_decode(int v);
+
+/* Printable STRING */
+int der_encode_printable_string(const unsigned char *in, unsigned long inlen,
+                                unsigned char *out, unsigned long *outlen);
+int der_decode_printable_string(const unsigned char *in, unsigned long inlen,
+                                unsigned char *out, unsigned long *outlen);
+int der_length_printable_string(const unsigned char *octets, unsigned long noctets, unsigned long *outlen);
+
+int der_printable_char_encode(int c);
+int der_printable_value_decode(int v);
+
+/* UTF-8 */
+#if (defined(SIZE_MAX) || __STDC_VERSION__ >= 199901L || defined(WCHAR_MAX) || defined(_WCHAR_T) || defined(_WCHAR_T_DEFINED) || defined (__WCHAR_TYPE__)) && !defined(LTC_NO_WCHAR) 
+#include <wchar.h>
+#else
+typedef ulong32 wchar_t;
+#endif
+
+int der_encode_utf8_string(const wchar_t *in,  unsigned long inlen,
+                           unsigned char *out, unsigned long *outlen);
+
+int der_decode_utf8_string(const unsigned char *in,  unsigned long inlen,
+                                       wchar_t *out, unsigned long *outlen);
+unsigned long der_utf8_charsize(const wchar_t c);
+int der_length_utf8_string(const wchar_t *in, unsigned long noctets, unsigned long *outlen);
+
+
+/* CHOICE */
+int der_decode_choice(const unsigned char *in,   unsigned long *inlen,
+                            ltc_asn1_list *list, unsigned long  outlen);
+
+/* UTCTime */
+typedef struct {
+   unsigned YY, /* year */
+            MM, /* month */
+            DD, /* day */
+            hh, /* hour */
+            mm, /* minute */
+            ss, /* second */
+            off_dir, /* timezone offset direction 0 == +, 1 == - */
+            off_hh, /* timezone offset hours */
+            off_mm; /* timezone offset minutes */
+} ltc_utctime;
+
+int der_encode_utctime(ltc_utctime *utctime, 
+                       unsigned char *out,   unsigned long *outlen);
+
+int der_decode_utctime(const unsigned char *in, unsigned long *inlen,
+                             ltc_utctime   *out);
+
+int der_length_utctime(ltc_utctime *utctime, unsigned long *outlen);
+
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/headers/tomcrypt_pk.h,v $ */
+/* $Revision: 1.81 $ */
+/* $Date: 2007/05/12 14:32:35 $ */
diff --git a/src/libtomcrypt/src/headers/tomcrypt_pkcs.h b/src/libtomcrypt/src/headers/tomcrypt_pkcs.h
new file mode 100644
index 0000000..84fb82a
--- /dev/null
+++ b/src/libtomcrypt/src/headers/tomcrypt_pkcs.h
@@ -0,0 +1,89 @@
+/* LTC_PKCS Header Info */
+
+/* ===> LTC_PKCS #1 -- RSA Cryptography <=== */
+#ifdef LTC_PKCS_1
+
+enum ltc_pkcs_1_v1_5_blocks
+{
+  LTC_LTC_PKCS_1_EMSA   = 1,        /* Block type 1 (LTC_PKCS #1 v1.5 signature padding) */
+  LTC_LTC_PKCS_1_EME    = 2         /* Block type 2 (LTC_PKCS #1 v1.5 encryption padding) */
+};
+
+enum ltc_pkcs_1_paddings
+{
+  LTC_LTC_PKCS_1_V1_5   = 1,        /* LTC_PKCS #1 v1.5 padding (\sa ltc_pkcs_1_v1_5_blocks) */
+  LTC_LTC_PKCS_1_OAEP   = 2,        /* LTC_PKCS #1 v2.0 encryption padding */
+  LTC_LTC_PKCS_1_PSS    = 3         /* LTC_PKCS #1 v2.1 signature padding */
+};
+
+int pkcs_1_mgf1(      int            hash_idx,
+                const unsigned char *seed, unsigned long seedlen,
+                      unsigned char *mask, unsigned long masklen);
+
+int pkcs_1_i2osp(void *n, unsigned long modulus_len, unsigned char *out);
+int pkcs_1_os2ip(void *n, unsigned char *in, unsigned long inlen);
+
+/* *** v1.5 padding */
+int pkcs_1_v1_5_encode(const unsigned char *msg, 
+                             unsigned long  msglen,
+                             int            block_type,
+                             unsigned long  modulus_bitlen,
+                                prng_state *prng, 
+                                       int  prng_idx,
+                             unsigned char *out, 
+                             unsigned long *outlen);
+
+int pkcs_1_v1_5_decode(const unsigned char *msg, 
+                             unsigned long  msglen,
+                                       int  block_type,
+                             unsigned long  modulus_bitlen,
+                             unsigned char *out, 
+                             unsigned long *outlen,
+                                       int *is_valid);
+
+/* *** v2.1 padding */
+int pkcs_1_oaep_encode(const unsigned char *msg,    unsigned long msglen,
+                       const unsigned char *lparam, unsigned long lparamlen,
+                             unsigned long modulus_bitlen, prng_state *prng,
+                             int           prng_idx,         int  hash_idx,
+                             unsigned char *out,    unsigned long *outlen);
+
+int pkcs_1_oaep_decode(const unsigned char *msg,    unsigned long msglen,
+                       const unsigned char *lparam, unsigned long lparamlen,
+                             unsigned long modulus_bitlen, int hash_idx,
+                             unsigned char *out,    unsigned long *outlen,
+                             int           *res);
+
+int pkcs_1_pss_encode(const unsigned char *msghash, unsigned long msghashlen,
+                            unsigned long saltlen,  prng_state   *prng,     
+                            int           prng_idx, int           hash_idx,
+                            unsigned long modulus_bitlen,
+                            unsigned char *out,     unsigned long *outlen);
+
+int pkcs_1_pss_decode(const unsigned char *msghash, unsigned long msghashlen,
+                      const unsigned char *sig,     unsigned long siglen,
+                            unsigned long saltlen,  int           hash_idx,
+                            unsigned long modulus_bitlen, int    *res);
+
+#endif /* LTC_PKCS_1 */
+
+/* ===> LTC_PKCS #5 -- Password Based Cryptography <=== */
+#ifdef LTC_PKCS_5
+
+/* Algorithm #1 (old) */
+int pkcs_5_alg1(const unsigned char *password, unsigned long password_len, 
+                const unsigned char *salt, 
+                int iteration_count,  int hash_idx,
+                unsigned char *out,   unsigned long *outlen);
+
+/* Algorithm #2 (new) */
+int pkcs_5_alg2(const unsigned char *password, unsigned long password_len, 
+                const unsigned char *salt,     unsigned long salt_len,
+                int iteration_count,           int hash_idx,
+                unsigned char *out,            unsigned long *outlen);
+
+#endif  /* LTC_PKCS_5 */
+
+/* $Source: /cvs/libtom/libtomcrypt/src/headers/tomcrypt_pkcs.h,v $ */
+/* $Revision: 1.8 $ */
+/* $Date: 2007/05/12 14:32:35 $ */
diff --git a/src/libtomcrypt/src/headers/tomcrypt_prng.h b/src/libtomcrypt/src/headers/tomcrypt_prng.h
new file mode 100644
index 0000000..f3e3e55
--- /dev/null
+++ b/src/libtomcrypt/src/headers/tomcrypt_prng.h
@@ -0,0 +1,199 @@
+/* ---- PRNG Stuff ---- */
+#ifdef LTC_YARROW
+struct yarrow_prng {
+    int                   cipher, hash;
+    unsigned char         pool[MAXBLOCKSIZE];
+    symmetric_CTR         ctr;
+    LTC_MUTEX_TYPE(prng_lock)
+};
+#endif
+
+#ifdef LTC_RC4
+struct rc4_prng {
+    int x, y;
+    unsigned char buf[256];
+};
+#endif
+
+#ifdef LTC_FORTUNA
+struct fortuna_prng {
+    hash_state pool[LTC_FORTUNA_POOLS];     /* the  pools */
+
+    symmetric_key skey;
+
+    unsigned char K[32],      /* the current key */
+                  IV[16];     /* IV for CTR mode */
+    
+    unsigned long pool_idx,   /* current pool we will add to */
+                  pool0_len,  /* length of 0'th pool */
+                  wd;            
+
+    ulong64       reset_cnt;  /* number of times we have reset */
+    LTC_MUTEX_TYPE(prng_lock)
+};
+#endif
+
+#ifdef LTC_SOBER128
+struct sober128_prng {
+    ulong32      R[17],          /* Working storage for the shift register */
+                 initR[17],      /* saved register contents */ 
+                 konst,          /* key dependent constant */
+                 sbuf;           /* partial word encryption buffer */
+
+    int          nbuf,           /* number of part-word stream bits buffered */
+                 flag,           /* first add_entropy call or not? */
+                 set;            /* did we call add_entropy to set key? */
+    
+};
+#endif
+
+typedef union Prng_state {
+    char dummy[1];
+#ifdef LTC_YARROW
+    struct yarrow_prng    yarrow;
+#endif
+#ifdef LTC_RC4
+    struct rc4_prng       rc4;
+#endif
+#ifdef LTC_FORTUNA
+    struct fortuna_prng   fortuna;
+#endif
+#ifdef LTC_SOBER128
+    struct sober128_prng  sober128;
+#endif
+} prng_state;
+
+/** PRNG descriptor */
+extern struct ltc_prng_descriptor {
+    /** Name of the PRNG */
+    char *name;
+    /** size in bytes of exported state */
+    int  export_size;
+    /** Start a PRNG state
+        @param prng   [out] The state to initialize
+        @return CRYPT_OK if successful
+    */
+    int (*start)(prng_state *prng);
+    /** Add entropy to the PRNG
+        @param in         The entropy
+        @param inlen      Length of the entropy (octets)\
+        @param prng       The PRNG state
+        @return CRYPT_OK if successful
+    */
+    int (*add_entropy)(const unsigned char *in, unsigned long inlen, prng_state *prng);
+    /** Ready a PRNG state to read from
+        @param prng       The PRNG state to ready
+        @return CRYPT_OK if successful
+    */
+    int (*ready)(prng_state *prng);
+    /** Read from the PRNG
+        @param out     [out] Where to store the data
+        @param outlen  Length of data desired (octets)
+        @param prng    The PRNG state to read from
+        @return Number of octets read
+    */
+    unsigned long (*read)(unsigned char *out, unsigned long outlen, prng_state *prng);
+    /** Terminate a PRNG state
+        @param prng   The PRNG state to terminate
+        @return CRYPT_OK if successful
+    */
+    int (*done)(prng_state *prng);
+    /** Export a PRNG state  
+        @param out     [out] The destination for the state
+        @param outlen  [in/out] The max size and resulting size of the PRNG state
+        @param prng    The PRNG to export
+        @return CRYPT_OK if successful
+    */
+    int (*pexport)(unsigned char *out, unsigned long *outlen, prng_state *prng);
+    /** Import a PRNG state
+        @param in      The data to import
+        @param inlen   The length of the data to import (octets)
+        @param prng    The PRNG to initialize/import
+        @return CRYPT_OK if successful
+    */
+    int (*pimport)(const unsigned char *in, unsigned long inlen, prng_state *prng);
+    /** Self-test the PRNG
+        @return CRYPT_OK if successful, CRYPT_NOP if self-testing has been disabled
+    */
+    int (*test)(void);
+} prng_descriptor[];
+
+#ifdef LTC_YARROW
+int yarrow_start(prng_state *prng);
+int yarrow_add_entropy(const unsigned char *in, unsigned long inlen, prng_state *prng);
+int yarrow_ready(prng_state *prng);
+unsigned long yarrow_read(unsigned char *out, unsigned long outlen, prng_state *prng);
+int yarrow_done(prng_state *prng);
+int  yarrow_export(unsigned char *out, unsigned long *outlen, prng_state *prng);
+int  yarrow_import(const unsigned char *in, unsigned long inlen, prng_state *prng);
+int  yarrow_test(void);
+extern const struct ltc_prng_descriptor yarrow_desc;
+#endif
+
+#ifdef LTC_FORTUNA
+int fortuna_start(prng_state *prng);
+int fortuna_add_entropy(const unsigned char *in, unsigned long inlen, prng_state *prng);
+int fortuna_ready(prng_state *prng);
+unsigned long fortuna_read(unsigned char *out, unsigned long outlen, prng_state *prng);
+int fortuna_done(prng_state *prng);
+int  fortuna_export(unsigned char *out, unsigned long *outlen, prng_state *prng);
+int  fortuna_import(const unsigned char *in, unsigned long inlen, prng_state *prng);
+int  fortuna_test(void);
+extern const struct ltc_prng_descriptor fortuna_desc;
+#endif
+
+#ifdef LTC_RC4
+int rc4_start(prng_state *prng);
+int rc4_add_entropy(const unsigned char *in, unsigned long inlen, prng_state *prng);
+int rc4_ready(prng_state *prng);
+unsigned long rc4_read(unsigned char *out, unsigned long outlen, prng_state *prng);
+int  rc4_done(prng_state *prng);
+int  rc4_export(unsigned char *out, unsigned long *outlen, prng_state *prng);
+int  rc4_import(const unsigned char *in, unsigned long inlen, prng_state *prng);
+int  rc4_test(void);
+extern const struct ltc_prng_descriptor rc4_desc;
+#endif
+
+#ifdef LTC_SPRNG
+int sprng_start(prng_state *prng);
+int sprng_add_entropy(const unsigned char *in, unsigned long inlen, prng_state *prng);
+int sprng_ready(prng_state *prng);
+unsigned long sprng_read(unsigned char *out, unsigned long outlen, prng_state *prng);
+int sprng_done(prng_state *prng);
+int  sprng_export(unsigned char *out, unsigned long *outlen, prng_state *prng);
+int  sprng_import(const unsigned char *in, unsigned long inlen, prng_state *prng);
+int  sprng_test(void);
+extern const struct ltc_prng_descriptor sprng_desc;
+#endif
+
+#ifdef LTC_SOBER128
+int sober128_start(prng_state *prng);
+int sober128_add_entropy(const unsigned char *in, unsigned long inlen, prng_state *prng);
+int sober128_ready(prng_state *prng);
+unsigned long sober128_read(unsigned char *out, unsigned long outlen, prng_state *prng);
+int sober128_done(prng_state *prng);
+int  sober128_export(unsigned char *out, unsigned long *outlen, prng_state *prng);
+int  sober128_import(const unsigned char *in, unsigned long inlen, prng_state *prng);
+int  sober128_test(void);
+extern const struct ltc_prng_descriptor sober128_desc;
+#endif
+
+int find_prng(const char *name);
+int register_prng(const struct ltc_prng_descriptor *prng);
+int unregister_prng(const struct ltc_prng_descriptor *prng);
+int prng_is_valid(int idx);
+LTC_MUTEX_PROTO(ltc_prng_mutex)
+
+/* Slow RNG you **might** be able to use to seed a PRNG with.  Be careful as this
+ * might not work on all platforms as planned
+ */
+unsigned long rng_get_bytes(unsigned char *out, 
+                            unsigned long outlen, 
+                            void (*callback)(void));
+
+int rng_make_prng(int bits, int wprng, prng_state *prng, void (*callback)(void));
+
+
+/* $Source: /cvs/libtom/libtomcrypt/src/headers/tomcrypt_prng.h,v $ */
+/* $Revision: 1.9 $ */
+/* $Date: 2007/05/12 14:32:35 $ */
diff --git a/src/libtomcrypt/src/math/ltm_desc.c b/src/libtomcrypt/src/math/ltm_desc.c
new file mode 100644
index 0000000..25dc0b3
--- /dev/null
+++ b/src/libtomcrypt/src/math/ltm_desc.c
@@ -0,0 +1,483 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+
+#define DESC_DEF_ONLY
+#include "../headers/tomcrypt.h"
+
+#ifdef LTM_DESC
+
+#include "../../../libtommath/tommath.h"
+
+static const struct {
+    int mpi_code, ltc_code;
+} mpi_to_ltc_codes[] = {
+   { MP_OKAY ,  CRYPT_OK},
+   { MP_MEM  ,  CRYPT_MEM},
+   { MP_VAL  ,  CRYPT_INVALID_ARG},
+};
+
+/**
+   Convert a MPI error to a LTC error (Possibly the most powerful function ever!  Oh wait... no) 
+   @param err    The error to convert
+   @return The equivalent LTC error code or CRYPT_ERROR if none found
+*/
+static int mpi_to_ltc_error(int err)
+{
+   int x;
+
+   for (x = 0; x < (int)(sizeof(mpi_to_ltc_codes)/sizeof(mpi_to_ltc_codes[0])); x++) {
+       if (err == mpi_to_ltc_codes[x].mpi_code) { 
+          return mpi_to_ltc_codes[x].ltc_code;
+       }
+   }
+   return CRYPT_ERROR;
+}
+
+static int init(void **a)
+{
+   int err;
+
+   LTC_ARGCHK(a != NULL);
+
+   *a = XCALLOC(1, sizeof(mp_int));
+   if (*a == NULL) {
+      return CRYPT_MEM;
+   }
+   
+   if ((err = mpi_to_ltc_error(mp_init(*a))) != CRYPT_OK) {
+      XFREE(*a);
+   }
+   return err;
+}
+
+static void deinit(void *a)
+{
+   LTC_ARGCHKVD(a != NULL);
+   mp_clear(a);
+   XFREE(a);
+}
+
+static int neg(void *a, void *b)
+{
+   LTC_ARGCHK(a != NULL);
+   LTC_ARGCHK(b != NULL);
+   return mpi_to_ltc_error(mp_neg(a, b));
+}
+
+static int copy(void *a, void *b)
+{
+   LTC_ARGCHK(a != NULL);
+   LTC_ARGCHK(b != NULL);
+   return mpi_to_ltc_error(mp_copy(a, b));
+}
+
+static int init_copy(void **a, void *b)
+{
+   if (init(a) != CRYPT_OK) {
+      return CRYPT_MEM;
+   }
+   return copy(b, *a);
+}
+
+/* ---- trivial ---- */
+static int set_int(void *a, unsigned long b)
+{
+   LTC_ARGCHK(a != NULL);
+   return mpi_to_ltc_error(mp_set_int(a, b));
+}
+
+static unsigned long get_int(void *a)
+{
+   LTC_ARGCHK(a != NULL);
+   return mp_get_int(a);
+}
+
+static unsigned long get_digit(void *a, int n)
+{
+   mp_int *A;
+   LTC_ARGCHK(a != NULL);
+   A = a;
+   return (n >= A->used || n < 0) ? 0 : A->dp[n];
+}
+
+static int get_digit_count(void *a)
+{
+   mp_int *A;
+   LTC_ARGCHK(a != NULL);
+   A = a;
+   return A->used;
+}
+   
+static int compare(void *a, void *b)
+{
+   int ret;
+   LTC_ARGCHK(a != NULL);
+   LTC_ARGCHK(b != NULL);
+   ret = mp_cmp(a, b);
+   switch (ret) {
+      case MP_LT: return LTC_MP_LT;
+      case MP_EQ: return LTC_MP_EQ;
+      case MP_GT: return LTC_MP_GT;
+   }
+   return 0;
+}
+
+static int compare_d(void *a, unsigned long b)
+{
+   int ret;
+   LTC_ARGCHK(a != NULL);
+   ret = mp_cmp_d(a, b);
+   switch (ret) {
+      case MP_LT: return LTC_MP_LT;
+      case MP_EQ: return LTC_MP_EQ;
+      case MP_GT: return LTC_MP_GT;
+   }
+   return 0;
+}
+
+static int count_bits(void *a)
+{
+   LTC_ARGCHK(a != NULL);
+   return mp_count_bits(a);
+}
+
+static int count_lsb_bits(void *a)
+{
+   LTC_ARGCHK(a != NULL);
+   return mp_cnt_lsb(a);
+}
+
+
+static int twoexpt(void *a, int n)
+{
+   LTC_ARGCHK(a != NULL);
+   return mpi_to_ltc_error(mp_2expt(a, n));
+}
+
+/* ---- conversions ---- */
+
+/* read ascii string */
+static int read_radix(void *a, const char *b, int radix)
+{
+   LTC_ARGCHK(a != NULL);
+   LTC_ARGCHK(b != NULL);
+   return mpi_to_ltc_error(mp_read_radix(a, b, radix));
+}
+
+/* write one */
+static int write_radix(void *a, char *b, int radix)
+{
+   LTC_ARGCHK(a != NULL);
+   LTC_ARGCHK(b != NULL);
+   return mpi_to_ltc_error(mp_toradix(a, b, radix));
+}
+
+/* get size as unsigned char string */
+static unsigned long unsigned_size(void *a)
+{
+   LTC_ARGCHK(a != NULL);
+   return mp_unsigned_bin_size(a);
+}
+
+/* store */
+static int unsigned_write(void *a, unsigned char *b)
+{
+   LTC_ARGCHK(a != NULL);
+   LTC_ARGCHK(b != NULL);
+   return mpi_to_ltc_error(mp_to_unsigned_bin(a, b));
+}
+
+/* read */
+static int unsigned_read(void *a, unsigned char *b, unsigned long len)
+{
+   LTC_ARGCHK(a != NULL);
+   LTC_ARGCHK(b != NULL);
+   return mpi_to_ltc_error(mp_read_unsigned_bin(a, b, len));
+}
+
+/* add */
+static int add(void *a, void *b, void *c)
+{
+   LTC_ARGCHK(a != NULL);
+   LTC_ARGCHK(b != NULL);
+   LTC_ARGCHK(c != NULL);
+   return mpi_to_ltc_error(mp_add(a, b, c));
+}
+  
+static int addi(void *a, unsigned long b, void *c)
+{
+   LTC_ARGCHK(a != NULL);
+   LTC_ARGCHK(c != NULL);
+   return mpi_to_ltc_error(mp_add_d(a, b, c));
+}
+
+/* sub */
+static int sub(void *a, void *b, void *c)
+{
+   LTC_ARGCHK(a != NULL);
+   LTC_ARGCHK(b != NULL);
+   LTC_ARGCHK(c != NULL);
+   return mpi_to_ltc_error(mp_sub(a, b, c));
+}
+
+static int subi(void *a, unsigned long b, void *c)
+{
+   LTC_ARGCHK(a != NULL);
+   LTC_ARGCHK(c != NULL);
+   return mpi_to_ltc_error(mp_sub_d(a, b, c));
+}
+
+/* mul */
+static int mul(void *a, void *b, void *c)
+{
+   LTC_ARGCHK(a != NULL);
+   LTC_ARGCHK(b != NULL);
+   LTC_ARGCHK(c != NULL);
+   return mpi_to_ltc_error(mp_mul(a, b, c));
+}
+
+static int muli(void *a, unsigned long b, void *c)
+{
+   LTC_ARGCHK(a != NULL);
+   LTC_ARGCHK(c != NULL);
+   return mpi_to_ltc_error(mp_mul_d(a, b, c));
+}
+
+/* sqr */
+static int sqr(void *a, void *b)
+{
+   LTC_ARGCHK(a != NULL);
+   LTC_ARGCHK(b != NULL);
+   return mpi_to_ltc_error(mp_sqr(a, b));
+}
+
+/* div */
+static int divide(void *a, void *b, void *c, void *d)
+{
+   LTC_ARGCHK(a != NULL);
+   LTC_ARGCHK(b != NULL);
+   return mpi_to_ltc_error(mp_div(a, b, c, d));
+}
+
+static int div_2(void *a, void *b)
+{
+   LTC_ARGCHK(a != NULL);
+   LTC_ARGCHK(b != NULL);
+   return mpi_to_ltc_error(mp_div_2(a, b));
+}
+
+/* modi */
+static int modi(void *a, unsigned long b, unsigned long *c)
+{
+   mp_digit tmp;
+   int      err;
+
+   LTC_ARGCHK(a != NULL);
+   LTC_ARGCHK(c != NULL);
+
+   if ((err = mpi_to_ltc_error(mp_mod_d(a, b, &tmp))) != CRYPT_OK) {
+      return err;
+   }
+   *c = tmp;
+   return CRYPT_OK;
+}  
+
+/* gcd */
+static int gcd(void *a, void *b, void *c)
+{
+   LTC_ARGCHK(a != NULL);
+   LTC_ARGCHK(b != NULL);
+   LTC_ARGCHK(c != NULL);
+   return mpi_to_ltc_error(mp_gcd(a, b, c));
+}
+
+/* lcm */
+static int lcm(void *a, void *b, void *c)
+{
+   LTC_ARGCHK(a != NULL);
+   LTC_ARGCHK(b != NULL);
+   LTC_ARGCHK(c != NULL);
+   return mpi_to_ltc_error(mp_lcm(a, b, c));
+}
+
+static int mulmod(void *a, void *b, void *c, void *d)
+{
+   LTC_ARGCHK(a != NULL);
+   LTC_ARGCHK(b != NULL);
+   LTC_ARGCHK(c != NULL);
+   LTC_ARGCHK(d != NULL);
+   return mpi_to_ltc_error(mp_mulmod(a,b,c,d));
+}
+
+static int sqrmod(void *a, void *b, void *c)
+{
+   LTC_ARGCHK(a != NULL);
+   LTC_ARGCHK(b != NULL);
+   LTC_ARGCHK(c != NULL);
+   return mpi_to_ltc_error(mp_sqrmod(a,b,c));
+}
+
+/* invmod */
+static int invmod(void *a, void *b, void *c)
+{
+   LTC_ARGCHK(a != NULL);
+   LTC_ARGCHK(b != NULL);
+   LTC_ARGCHK(c != NULL);
+   return mpi_to_ltc_error(mp_invmod(a, b, c));
+}
+
+/* setup */
+static int montgomery_setup(void *a, void **b)
+{
+   int err;
+   LTC_ARGCHK(a != NULL);
+   LTC_ARGCHK(b != NULL);
+   *b = XCALLOC(1, sizeof(mp_digit));
+   if (*b == NULL) {
+      return CRYPT_MEM;
+   }
+   if ((err = mpi_to_ltc_error(mp_montgomery_setup(a, (mp_digit *)*b))) != CRYPT_OK) {
+      XFREE(*b);
+   }
+   return err;
+}
+
+/* get normalization value */
+static int montgomery_normalization(void *a, void *b)
+{
+   LTC_ARGCHK(a != NULL);
+   LTC_ARGCHK(b != NULL);
+   return mpi_to_ltc_error(mp_montgomery_calc_normalization(a, b));
+}
+
+/* reduce */
+static int montgomery_reduce(void *a, void *b, void *c)
+{
+   LTC_ARGCHK(a != NULL);
+   LTC_ARGCHK(b != NULL);
+   LTC_ARGCHK(c != NULL);
+   return mpi_to_ltc_error(mp_montgomery_reduce(a, b, *((mp_digit *)c)));
+}
+
+/* clean up */
+static void montgomery_deinit(void *a)
+{
+   XFREE(a);
+}
+
+static int exptmod(void *a, void *b, void *c, void *d)
+{
+   LTC_ARGCHK(a != NULL);
+   LTC_ARGCHK(b != NULL);
+   LTC_ARGCHK(c != NULL);
+   LTC_ARGCHK(d != NULL);
+   return mpi_to_ltc_error(mp_exptmod(a,b,c,d));
+}   
+
+static int isprime(void *a, int *b)
+{
+   int err;
+   LTC_ARGCHK(a != NULL);
+   LTC_ARGCHK(b != NULL);
+   err = mpi_to_ltc_error(mp_prime_is_prime(a, 8, b));
+   *b = (*b == MP_YES) ? LTC_MP_YES : LTC_MP_NO;
+   return err;
+}   
+
+const ltc_math_descriptor ltm_desc = {
+
+   "LibTomMath",
+   (int)DIGIT_BIT,
+
+   &init,
+   &init_copy,
+   &deinit,
+
+   &neg,
+   &copy,
+
+   &set_int,
+   &get_int,
+   &get_digit,
+   &get_digit_count,
+   &compare,
+   &compare_d,
+   &count_bits,
+   &count_lsb_bits,
+   &twoexpt,
+
+   &read_radix,
+   &write_radix,
+   &unsigned_size,
+   &unsigned_write,
+   &unsigned_read,
+
+   &add,
+   &addi,
+   &sub,
+   &subi,
+   &mul,
+   &muli,
+   &sqr,
+   &divide,
+   &div_2,
+   &modi,
+   &gcd,
+   &lcm,
+
+   &mulmod,
+   &sqrmod,
+   &invmod,
+   
+   &montgomery_setup,
+   &montgomery_normalization,
+   &montgomery_reduce,
+   &montgomery_deinit,
+
+   &exptmod,
+   &isprime,
+
+#ifdef LTC_MECC
+#ifdef LTC_MECC_FP
+   &ltc_ecc_fp_mulmod,
+#else   
+   &ltc_ecc_mulmod,
+#endif
+   &ltc_ecc_projective_add_point,
+   &ltc_ecc_projective_dbl_point,
+   &ltc_ecc_map,
+#ifdef LTC_ECC_SHAMIR
+#ifdef LTC_MECC_FP
+   &ltc_ecc_fp_mul2add,
+#else
+   &ltc_ecc_mul2add,
+#endif /* LTC_MECC_FP */
+#else
+   NULL,
+#endif /* LTC_ECC_SHAMIR */
+#else
+   NULL, NULL, NULL, NULL, NULL,
+#endif /* LTC_MECC */
+
+#ifdef LTC_MRSA
+   &rsa_make_key,
+   &rsa_exptmod,
+#else
+   NULL, NULL
+#endif
+};
+
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/math/ltm_desc.c,v $ */
+/* $Revision: 1.31 $ */
+/* $Date: 2007/05/12 14:32:35 $ */
diff --git a/src/libtomcrypt/src/math/multi.c b/src/libtomcrypt/src/math/multi.c
new file mode 100644
index 0000000..7d40040
--- /dev/null
+++ b/src/libtomcrypt/src/math/multi.c
@@ -0,0 +1,61 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../headers/tomcrypt.h"
+
+#ifdef MPI
+#include <stdarg.h>
+
+int ltc_init_multi(void **a, ...)
+{
+   void    **cur = a;
+   int       np  = 0;
+   va_list   args;
+
+   va_start(args, a);
+   while (cur != NULL) {
+       if (mp_init(cur) != CRYPT_OK) {
+          /* failed */
+          va_list clean_list;
+
+          va_start(clean_list, a);
+          cur = a;
+          while (np--) {
+              mp_clear(*cur);
+              cur = va_arg(clean_list, void**);
+          }
+          va_end(clean_list);
+          return CRYPT_MEM;
+       }
+       ++np;
+       cur = va_arg(args, void**);
+   }
+   va_end(args);
+   return CRYPT_OK;   
+}
+
+void ltc_deinit_multi(void *a, ...)
+{
+   void     *cur = a;
+   va_list   args;
+
+   va_start(args, a);
+   while (cur != NULL) {
+       mp_clear(cur);
+       cur = va_arg(args, void *);
+   }
+   va_end(args);
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/math/multi.c,v $ */
+/* $Revision: 1.6 $ */
+/* $Date: 2006/12/28 01:27:23 $ */
diff --git a/src/libtomcrypt/src/math/rand_prime.c b/src/libtomcrypt/src/math/rand_prime.c
new file mode 100644
index 0000000..913fa95
--- /dev/null
+++ b/src/libtomcrypt/src/math/rand_prime.c
@@ -0,0 +1,87 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../headers/tomcrypt.h"
+
+/**
+  @file rand_prime.c
+  Generate a random prime, Tom St Denis
+*/  
+
+#define USE_BBS 1
+
+int rand_prime(void *N, long len, prng_state *prng, int wprng)
+{
+   int            err, res, type;
+   unsigned char *buf;
+
+   LTC_ARGCHK(N != NULL);
+
+   /* get type */
+   if (len < 0) {
+      type = USE_BBS;
+      len = -len;
+   } else {
+      type = 0;
+   }
+
+   /* allow sizes between 2 and 512 bytes for a prime size */
+   if (len < 2 || len > 512) { 
+      return CRYPT_INVALID_PRIME_SIZE;
+   }
+   
+   /* valid PRNG? Better be! */
+   if ((err = prng_is_valid(wprng)) != CRYPT_OK) {
+      return err; 
+   }
+
+   /* allocate buffer to work with */
+   buf = XCALLOC(1, len);
+   if (buf == NULL) {
+       return CRYPT_MEM;
+   }
+
+   do {
+      /* generate value */
+      if (prng_descriptor[wprng].read(buf, len, prng) != (unsigned long)len) {
+         XFREE(buf);
+         return CRYPT_ERROR_READPRNG;
+      }
+
+      /* munge bits */
+      buf[0]     |= 0x80 | 0x40;
+      buf[len-1] |= 0x01 | ((type & USE_BBS) ? 0x02 : 0x00);
+ 
+      /* load value */
+      if ((err = mp_read_unsigned_bin(N, buf, len)) != CRYPT_OK) {
+         XFREE(buf);
+         return err;
+      }
+
+      /* test */
+      if ((err = mp_prime_is_prime(N, 8, &res)) != CRYPT_OK) {
+         XFREE(buf);
+         return err;
+      }
+   } while (res == LTC_MP_NO);
+
+#ifdef LTC_CLEAN_STACK
+   zeromem(buf, len);
+#endif
+
+   XFREE(buf);
+   return CRYPT_OK;
+}
+      
+
+
+/* $Source: /cvs/libtom/libtomcrypt/src/math/rand_prime.c,v $ */
+/* $Revision: 1.7 $ */
+/* $Date: 2006/12/28 01:27:23 $ */
diff --git a/src/libtomcrypt/src/misc/base64_decode.c b/src/libtomcrypt/src/misc/base64_decode.c
new file mode 100644
index 0000000..3d13393
--- /dev/null
+++ b/src/libtomcrypt/src/misc/base64_decode.c
@@ -0,0 +1,104 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../headers/tomcrypt.h"
+
+/**
+  @file base64_decode.c
+  Compliant base64 code donated by Wayne Scott (wscott@bitmover.com)
+*/
+
+
+#ifdef LTC_BASE64
+
+static const unsigned char map[256] = {
+255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+255, 255, 255, 255, 255, 255, 255,  62, 255, 255, 255,  63,
+ 52,  53,  54,  55,  56,  57,  58,  59,  60,  61, 255, 255,
+255, 254, 255, 255, 255,   0,   1,   2,   3,   4,   5,   6,
+  7,   8,   9,  10,  11,  12,  13,  14,  15,  16,  17,  18,
+ 19,  20,  21,  22,  23,  24,  25, 255, 255, 255, 255, 255,
+255,  26,  27,  28,  29,  30,  31,  32,  33,  34,  35,  36,
+ 37,  38,  39,  40,  41,  42,  43,  44,  45,  46,  47,  48,
+ 49,  50,  51, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+255, 255, 255, 255 };
+
+/**
+   base64 decode a block of memory
+   @param in       The base64 data to decode
+   @param inlen    The length of the base64 data
+   @param out      [out] The destination of the binary decoded data
+   @param outlen   [in/out] The max size and resulting size of the decoded data
+   @return CRYPT_OK if successful
+*/
+int base64_decode(const unsigned char *in,  unsigned long inlen, 
+                        unsigned char *out, unsigned long *outlen)
+{
+   unsigned long t, x, y, z;
+   unsigned char c;
+   int           g;
+
+   LTC_ARGCHK(in     != NULL);
+   LTC_ARGCHK(out    != NULL);
+   LTC_ARGCHK(outlen != NULL);
+
+   g = 3;
+   for (x = y = z = t = 0; x < inlen; x++) {
+       c = map[in[x]&0xFF];
+       if (c == 255) continue;
+       /* the final = symbols are read and used to trim the remaining bytes */
+       if (c == 254) { 
+          c = 0; 
+          /* prevent g < 0 which would potentially allow an overflow later */
+          if (--g < 0) {
+             return CRYPT_INVALID_PACKET;
+          }
+       } else if (g != 3) {
+          /* we only allow = to be at the end */
+          return CRYPT_INVALID_PACKET;
+       }
+
+       t = (t<<6)|c;
+
+       if (++y == 4) {
+          if (z + g > *outlen) { 
+             return CRYPT_BUFFER_OVERFLOW; 
+          }
+          out[z++] = (unsigned char)((t>>16)&255);
+          if (g > 1) out[z++] = (unsigned char)((t>>8)&255);
+          if (g > 2) out[z++] = (unsigned char)(t&255);
+          y = t = 0;
+       }
+   }
+   if (y != 0) {
+       return CRYPT_INVALID_PACKET;
+   }
+   *outlen = z;
+   return CRYPT_OK;
+}
+
+#endif
+
+
+/* $Source: /cvs/libtom/libtomcrypt/src/misc/base64/base64_decode.c,v $ */
+/* $Revision: 1.6 $ */
+/* $Date: 2007/05/12 14:32:35 $ */
diff --git a/src/libtomcrypt/src/misc/crypt_argchk.c b/src/libtomcrypt/src/misc/crypt_argchk.c
new file mode 100644
index 0000000..537516d
--- /dev/null
+++ b/src/libtomcrypt/src/misc/crypt_argchk.c
@@ -0,0 +1,30 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../headers/tomcrypt.h"
+#include <signal.h>
+
+/**
+  @file crypt_argchk.c
+  Perform argument checking, Tom St Denis
+*/  
+
+#if (ARGTYPE == 0)
+void crypt_argchk(char *v, char *s, int d)
+{
+ fprintf(stderr, "LTC_ARGCHK '%s' failure on line %d of file %s\n",
+         v, d, s);
+ (void)raise(SIGABRT);
+}
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/misc/crypt/crypt_argchk.c,v $ */
+/* $Revision: 1.5 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/misc/crypt_find_hash.c b/src/libtomcrypt/src/misc/crypt_find_hash.c
new file mode 100644
index 0000000..fef2d8c
--- /dev/null
+++ b/src/libtomcrypt/src/misc/crypt_find_hash.c
@@ -0,0 +1,40 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../headers/tomcrypt.h"
+
+/**
+  @file crypt_find_hash.c
+  Find a hash, Tom St Denis
+*/
+
+/**
+   Find a registered hash by name
+   @param name   The name of the hash to look for
+   @return >= 0 if found, -1 if not present
+*/
+int find_hash(const char *name)
+{
+   int x;
+   LTC_ARGCHK(name != NULL);
+   LTC_MUTEX_LOCK(&ltc_hash_mutex);
+   for (x = 0; x < TAB_SIZE; x++) {
+       if (hash_descriptor[x].name != NULL && XSTRCMP(hash_descriptor[x].name, name) == 0) {
+          LTC_MUTEX_UNLOCK(&ltc_hash_mutex);
+          return x;
+       }
+   }
+   LTC_MUTEX_UNLOCK(&ltc_hash_mutex);
+   return -1;
+}
+
+/* $Source: /cvs/libtom/libtomcrypt/src/misc/crypt/crypt_find_hash.c,v $ */
+/* $Revision: 1.7 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/misc/crypt_find_prng.c b/src/libtomcrypt/src/misc/crypt_find_prng.c
new file mode 100644
index 0000000..fafbb0e
--- /dev/null
+++ b/src/libtomcrypt/src/misc/crypt_find_prng.c
@@ -0,0 +1,41 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../headers/tomcrypt.h"
+
+/**
+  @file crypt_find_prng.c
+  Find a PRNG, Tom St Denis
+*/
+
+/**
+   Find a registered PRNG by name
+   @param name   The name of the PRNG to look for
+   @return >= 0 if found, -1 if not present
+*/
+int find_prng(const char *name)
+{
+   int x;
+   LTC_ARGCHK(name != NULL);
+   LTC_MUTEX_LOCK(&ltc_prng_mutex);
+   for (x = 0; x < TAB_SIZE; x++) {
+       if ((prng_descriptor[x].name != NULL) && XSTRCMP(prng_descriptor[x].name, name) == 0) {
+          LTC_MUTEX_UNLOCK(&ltc_prng_mutex);
+          return x;
+       }
+   }
+   LTC_MUTEX_UNLOCK(&ltc_prng_mutex);
+   return -1;
+}
+
+
+/* $Source: /cvs/libtom/libtomcrypt/src/misc/crypt/crypt_find_prng.c,v $ */
+/* $Revision: 1.7 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/misc/crypt_hash_descriptor.c b/src/libtomcrypt/src/misc/crypt_hash_descriptor.c
new file mode 100644
index 0000000..5925fd2
--- /dev/null
+++ b/src/libtomcrypt/src/misc/crypt_hash_descriptor.c
@@ -0,0 +1,27 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../headers/tomcrypt.h"
+
+/**
+  @file crypt_hash_descriptor.c
+  Stores the hash descriptor table, Tom St Denis  
+*/
+
+struct ltc_hash_descriptor hash_descriptor[TAB_SIZE] = {
+{ NULL, 0, 0, 0, { 0 }, 0, NULL, NULL, NULL, NULL, NULL }
+};
+
+LTC_MUTEX_GLOBAL(ltc_hash_mutex)
+
+
+/* $Source: /cvs/libtom/libtomcrypt/src/misc/crypt/crypt_hash_descriptor.c,v $ */
+/* $Revision: 1.10 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/misc/crypt_hash_is_valid.c b/src/libtomcrypt/src/misc/crypt_hash_is_valid.c
new file mode 100644
index 0000000..8ed5105
--- /dev/null
+++ b/src/libtomcrypt/src/misc/crypt_hash_is_valid.c
@@ -0,0 +1,36 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../headers/tomcrypt.h"
+
+/**
+  @file crypt_hash_is_valid.c
+  Determine if hash is valid, Tom St Denis
+*/  
+
+/*
+   Test if a hash index is valid
+   @param idx   The index of the hash to search for
+   @return CRYPT_OK if valid
+*/
+int hash_is_valid(int idx)
+{
+   LTC_MUTEX_LOCK(&ltc_hash_mutex);
+   if (idx < 0 || idx >= TAB_SIZE || hash_descriptor[idx].name == NULL) {
+      LTC_MUTEX_UNLOCK(&ltc_hash_mutex);
+      return CRYPT_INVALID_HASH;
+   }
+   LTC_MUTEX_UNLOCK(&ltc_hash_mutex);
+   return CRYPT_OK;
+}
+
+/* $Source: /cvs/libtom/libtomcrypt/src/misc/crypt/crypt_hash_is_valid.c,v $ */
+/* $Revision: 1.6 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/misc/crypt_libc.c b/src/libtomcrypt/src/misc/crypt_libc.c
new file mode 100644
index 0000000..bcc89f4
--- /dev/null
+++ b/src/libtomcrypt/src/misc/crypt_libc.c
@@ -0,0 +1,43 @@
+/*****************************************************************************/
+/* crypt_libc.c                           Copyright (c) Ladislav Zezula 2010 */
+/*---------------------------------------------------------------------------*/
+/* Description:                                                              */
+/*---------------------------------------------------------------------------*/
+/*   Date    Ver   Who  Comment                                              */
+/* --------  ----  ---  -------                                              */
+/* 05.05.10  1.00  Lad  The first version of crypt_libc.c                    */
+/*****************************************************************************/
+
+// LibTomCrypt header
+#include <stdlib.h>
+#include "../headers/tomcrypt.h"
+
+void * LibTomMalloc(size_t n)
+{
+    return malloc(n);
+}
+
+void * LibTomCalloc(size_t n, size_t s)
+{
+    return calloc(n, s);
+}
+
+void * LibTomRealloc(void *p, size_t n)
+{
+    return realloc(p, n);
+}
+
+void LibTomFree(void * p)
+{
+    free(p);
+}
+
+clock_t LibTomClock(void)
+{
+    return clock();
+}
+
+void LibTomQsort(void *base, size_t nmemb, size_t size, int(*compar)(const void *, const void *))
+{
+    qsort(base, nmemb, size, compar);
+}
diff --git a/src/libtomcrypt/src/misc/crypt_ltc_mp_descriptor.c b/src/libtomcrypt/src/misc/crypt_ltc_mp_descriptor.c
new file mode 100644
index 0000000..91ba9d1
--- /dev/null
+++ b/src/libtomcrypt/src/misc/crypt_ltc_mp_descriptor.c
@@ -0,0 +1,13 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../headers/tomcrypt.h"
+
+ltc_math_descriptor ltc_mp;
diff --git a/src/libtomcrypt/src/misc/crypt_prng_descriptor.c b/src/libtomcrypt/src/misc/crypt_prng_descriptor.c
new file mode 100644
index 0000000..c5b39e0
--- /dev/null
+++ b/src/libtomcrypt/src/misc/crypt_prng_descriptor.c
@@ -0,0 +1,26 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../headers/tomcrypt.h"
+
+/**
+  @file crypt_prng_descriptor.c
+  Stores the PRNG descriptors, Tom St Denis
+*/  
+struct ltc_prng_descriptor prng_descriptor[TAB_SIZE] = {
+{ NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL }
+};
+
+LTC_MUTEX_GLOBAL(ltc_prng_mutex)
+
+
+/* $Source: /cvs/libtom/libtomcrypt/src/misc/crypt/crypt_prng_descriptor.c,v $ */
+/* $Revision: 1.8 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/misc/crypt_prng_is_valid.c b/src/libtomcrypt/src/misc/crypt_prng_is_valid.c
new file mode 100644
index 0000000..d38fd3a
--- /dev/null
+++ b/src/libtomcrypt/src/misc/crypt_prng_is_valid.c
@@ -0,0 +1,36 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../headers/tomcrypt.h"
+
+/**
+  @file crypt_prng_is_valid.c
+  Determine if PRNG is valid, Tom St Denis
+*/
+
+/*
+   Test if a PRNG index is valid
+   @param idx   The index of the PRNG to search for
+   @return CRYPT_OK if valid
+*/
+int prng_is_valid(int idx)
+{
+   LTC_MUTEX_LOCK(&ltc_prng_mutex);
+   if (idx < 0 || idx >= TAB_SIZE || prng_descriptor[idx].name == NULL) {
+      LTC_MUTEX_UNLOCK(&ltc_prng_mutex);
+      return CRYPT_INVALID_PRNG;
+   }
+   LTC_MUTEX_UNLOCK(&ltc_prng_mutex);
+   return CRYPT_OK;
+}
+
+/* $Source: /cvs/libtom/libtomcrypt/src/misc/crypt/crypt_prng_is_valid.c,v $ */
+/* $Revision: 1.6 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/misc/crypt_register_hash.c b/src/libtomcrypt/src/misc/crypt_register_hash.c
new file mode 100644
index 0000000..1730091
--- /dev/null
+++ b/src/libtomcrypt/src/misc/crypt_register_hash.c
@@ -0,0 +1,54 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../headers/tomcrypt.h"
+
+/**
+  @file crypt_register_hash.c
+  Register a HASH, Tom St Denis
+*/
+
+/**
+   Register a hash with the descriptor table
+   @param hash   The hash you wish to register
+   @return value >= 0 if successfully added (or already present), -1 if unsuccessful
+*/
+int register_hash(const struct ltc_hash_descriptor *hash)
+{
+   int x;
+
+   LTC_ARGCHK(hash != NULL);
+
+   /* is it already registered? */
+   LTC_MUTEX_LOCK(&ltc_hash_mutex);
+   for (x = 0; x < TAB_SIZE; x++) {
+       if (XMEMCMP(&hash_descriptor[x], hash, sizeof(struct ltc_hash_descriptor)) == 0) {
+          LTC_MUTEX_UNLOCK(&ltc_hash_mutex);
+          return x;
+       }
+   }
+
+   /* find a blank spot */
+   for (x = 0; x < TAB_SIZE; x++) {
+       if (hash_descriptor[x].name == NULL) {
+          XMEMCPY(&hash_descriptor[x], hash, sizeof(struct ltc_hash_descriptor));
+          LTC_MUTEX_UNLOCK(&ltc_hash_mutex);
+          return x;
+       }
+   }
+
+   /* no spot */
+   LTC_MUTEX_UNLOCK(&ltc_hash_mutex);
+   return -1;
+}
+
+/* $Source: /cvs/libtom/libtomcrypt/src/misc/crypt/crypt_register_hash.c,v $ */
+/* $Revision: 1.7 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/misc/crypt_register_prng.c b/src/libtomcrypt/src/misc/crypt_register_prng.c
new file mode 100644
index 0000000..29fc9bd
--- /dev/null
+++ b/src/libtomcrypt/src/misc/crypt_register_prng.c
@@ -0,0 +1,54 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../headers/tomcrypt.h"
+
+/**
+  @file crypt_register_prng.c
+  Register a PRNG, Tom St Denis
+*/
+  
+/**
+   Register a PRNG with the descriptor table
+   @param prng   The PRNG you wish to register
+   @return value >= 0 if successfully added (or already present), -1 if unsuccessful
+*/
+int register_prng(const struct ltc_prng_descriptor *prng)
+{
+   int x;
+
+   LTC_ARGCHK(prng != NULL);
+
+   /* is it already registered? */
+   LTC_MUTEX_LOCK(&ltc_prng_mutex);
+   for (x = 0; x < TAB_SIZE; x++) {
+       if (XMEMCMP(&prng_descriptor[x], prng, sizeof(struct ltc_prng_descriptor)) == 0) {
+          LTC_MUTEX_UNLOCK(&ltc_prng_mutex);
+          return x;
+       }
+   }
+
+   /* find a blank spot */
+   for (x = 0; x < TAB_SIZE; x++) {
+       if (prng_descriptor[x].name == NULL) {
+          XMEMCPY(&prng_descriptor[x], prng, sizeof(struct ltc_prng_descriptor));
+          LTC_MUTEX_UNLOCK(&ltc_prng_mutex);
+          return x;
+       }
+   }
+
+   /* no spot */
+   LTC_MUTEX_UNLOCK(&ltc_prng_mutex);
+   return -1;
+}
+
+/* $Source: /cvs/libtom/libtomcrypt/src/misc/crypt/crypt_register_prng.c,v $ */
+/* $Revision: 1.8 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/misc/zeromem.c b/src/libtomcrypt/src/misc/zeromem.c
new file mode 100644
index 0000000..faa0efa
--- /dev/null
+++ b/src/libtomcrypt/src/misc/zeromem.c
@@ -0,0 +1,34 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../headers/tomcrypt.h"
+
+/**
+   @file zeromem.c
+   Zero a block of memory, Tom St Denis
+*/
+
+/**
+   Zero a block of memory
+   @param out    The destination of the area to zero
+   @param outlen The length of the area to zero (octets)
+*/
+void zeromem(void *out, size_t outlen)
+{
+   unsigned char *mem = out;
+   LTC_ARGCHKVD(out != NULL);
+   while (outlen-- > 0) {
+      *mem++ = 0;
+   }
+}
+
+/* $Source: /cvs/libtom/libtomcrypt/src/misc/zeromem.c,v $ */
+/* $Revision: 1.7 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/pk/asn1/der_decode_bit_string.c b/src/libtomcrypt/src/pk/asn1/der_decode_bit_string.c
new file mode 100644
index 0000000..e536867
--- /dev/null
+++ b/src/libtomcrypt/src/pk/asn1/der_decode_bit_string.c
@@ -0,0 +1,102 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file der_decode_bit_string.c
+  ASN.1 DER, encode a BIT STRING, Tom St Denis
+*/
+
+
+#ifdef LTC_DER
+
+/**
+  Store a BIT STRING
+  @param in      The DER encoded BIT STRING
+  @param inlen   The size of the DER BIT STRING
+  @param out     [out] The array of bits stored (one per char)
+  @param outlen  [in/out] The number of bits stored
+  @return CRYPT_OK if successful
+*/
+int der_decode_bit_string(const unsigned char *in,  unsigned long inlen,
+                                unsigned char *out, unsigned long *outlen)
+{
+   unsigned long dlen, blen, x, y;
+
+   LTC_ARGCHK(in     != NULL);
+   LTC_ARGCHK(out    != NULL);
+   LTC_ARGCHK(outlen != NULL);
+
+   /* packet must be at least 4 bytes */
+   if (inlen < 4) {
+       return CRYPT_INVALID_ARG;
+   }
+
+   /* check for 0x03 */
+   if ((in[0]&0x1F) != 0x03) {
+      return CRYPT_INVALID_PACKET;
+   }
+
+    /* offset in the data */
+    x = 1;
+
+   /* get the length of the data */
+   if (in[x] & 0x80) {
+      /* long format get number of length bytes */
+      y = in[x++] & 0x7F;
+
+      /* invalid if 0 or > 2 */
+      if (y == 0 || y > 2) {
+         return CRYPT_INVALID_PACKET;
+      }
+
+      /* read the data len */
+      dlen = 0;
+      while (y--) {
+         dlen = (dlen << 8) | (unsigned long)in[x++];
+      }
+   } else {
+      /* short format */
+      dlen = in[x++] & 0x7F;
+   }
+  
+   /* is the data len too long or too short? */
+   if ((dlen == 0) || (dlen + x > inlen)) {
+       return CRYPT_INVALID_PACKET;
+   }
+
+   /* get padding count */
+   blen = ((dlen - 1) << 3) - (in[x++] & 7);
+
+   /* too many bits? */
+   if (blen > *outlen) {
+      *outlen = blen;
+      return CRYPT_BUFFER_OVERFLOW;
+   }
+
+   /* decode/store the bits */
+   for (y = 0; y < blen; y++) {
+       out[y] = (in[x] & (1 << (7 - (y & 7)))) ? 1 : 0;
+       if ((y & 7) == 7) {
+          ++x;
+       }
+   }
+
+   /* we done */
+   *outlen = blen;
+   return CRYPT_OK;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/bit/der_decode_bit_string.c,v $ */
+/* $Revision: 1.5 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/pk/asn1/der_decode_boolean.c b/src/libtomcrypt/src/pk/asn1/der_decode_boolean.c
new file mode 100644
index 0000000..617d4e8
--- /dev/null
+++ b/src/libtomcrypt/src/pk/asn1/der_decode_boolean.c
@@ -0,0 +1,47 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file der_decode_boolean.c
+  ASN.1 DER, decode a BOOLEAN, Tom St Denis
+*/
+
+
+#ifdef LTC_DER
+
+/**
+  Read a BOOLEAN
+  @param in      The destination for the DER encoded BOOLEAN
+  @param inlen   The size of the DER BOOLEAN
+  @param out     [out]  The boolean to decode
+  @return CRYPT_OK if successful
+*/
+int der_decode_boolean(const unsigned char *in, unsigned long inlen,
+                                       int *out)
+{
+   LTC_ARGCHK(in  != NULL);
+   LTC_ARGCHK(out != NULL);
+   
+   if (inlen != 3 || in[0] != 0x01 || in[1] != 0x01 || (in[2] != 0x00 && in[2] != 0xFF)) {
+      return CRYPT_INVALID_ARG;
+   }
+   
+   *out = (in[2]==0xFF) ? 1 : 0;
+   
+   return CRYPT_OK;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/boolean/der_decode_boolean.c,v $ */
+/* $Revision: 1.2 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/pk/asn1/der_decode_choice.c b/src/libtomcrypt/src/pk/asn1/der_decode_choice.c
new file mode 100644
index 0000000..44a0891
--- /dev/null
+++ b/src/libtomcrypt/src/pk/asn1/der_decode_choice.c
@@ -0,0 +1,182 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file der_decode_choice.c
+  ASN.1 DER, decode a CHOICE, Tom St Denis
+*/
+
+#ifdef LTC_DER
+
+/**
+   Decode a CHOICE
+   @param in       The DER encoded input
+   @param inlen    [in/out] The size of the input and resulting size of read type
+   @param list     The list of items to decode
+   @param outlen   The number of items in the list
+   @return CRYPT_OK on success
+*/
+int der_decode_choice(const unsigned char *in,   unsigned long *inlen,
+                            ltc_asn1_list *list, unsigned long  outlen)
+{
+   unsigned long size, x, z;
+   void          *data;
+
+   LTC_ARGCHK(in    != NULL);
+   LTC_ARGCHK(inlen != NULL);
+   LTC_ARGCHK(list  != NULL);
+
+   /* get blk size */
+   if (*inlen < 2) {
+      return CRYPT_INVALID_PACKET;
+   }
+
+   /* set all of the "used" flags to zero */
+   for (x = 0; x < outlen; x++) {
+       list[x].used = 0;
+   }
+
+   /* now scan until we have a winner */
+   for (x = 0; x < outlen; x++) {
+       size = list[x].size;
+       data = list[x].data;
+
+       switch (list[x].type) {
+           case LTC_ASN1_INTEGER:
+               if (der_decode_integer(in, *inlen, data) == CRYPT_OK) {
+                  if (der_length_integer(data, &z) == CRYPT_OK) {
+                      list[x].used = 1;
+                      *inlen       = z;
+                      return CRYPT_OK;
+                  }
+               }
+               break;
+
+           case LTC_ASN1_SHORT_INTEGER:
+               if (der_decode_short_integer(in, *inlen, data) == CRYPT_OK) {
+                  if (der_length_short_integer(size, &z) == CRYPT_OK) {
+                      list[x].used = 1;
+                      *inlen       = z;
+                      return CRYPT_OK;
+                  }
+               }
+               break;
+
+           case LTC_ASN1_BIT_STRING:
+               if (der_decode_bit_string(in, *inlen, data, &size) == CRYPT_OK) {
+                  if (der_length_bit_string(size, &z) == CRYPT_OK) {
+                     list[x].used = 1;
+                     list[x].size = size;
+                     *inlen       = z;
+                     return CRYPT_OK;
+                  }
+               }
+               break;
+
+           case LTC_ASN1_OCTET_STRING:
+               if (der_decode_octet_string(in, *inlen, data, &size) == CRYPT_OK) {
+                  if (der_length_octet_string(size, &z) == CRYPT_OK) {
+                     list[x].used = 1;
+                     list[x].size = size;
+                     *inlen       = z;
+                     return CRYPT_OK;
+                  }
+               }
+               break;
+
+           case LTC_ASN1_NULL:
+               if (*inlen == 2 && in[x] == 0x05 && in[x+1] == 0x00) {
+                  *inlen = 2;
+                  list[x].used   = 1;
+                  return CRYPT_OK;
+               }
+               break;
+                  
+           case LTC_ASN1_OBJECT_IDENTIFIER:
+               if (der_decode_object_identifier(in, *inlen, data, &size) == CRYPT_OK) {
+                  if (der_length_object_identifier(data, size, &z) == CRYPT_OK) {
+                     list[x].used = 1;
+                     list[x].size = size;
+                     *inlen       = z;
+                     return CRYPT_OK;
+                  }
+               }
+               break;
+
+           case LTC_ASN1_IA5_STRING:
+               if (der_decode_ia5_string(in, *inlen, data, &size) == CRYPT_OK) {
+                  if (der_length_ia5_string(data, size, &z) == CRYPT_OK) {
+                     list[x].used = 1;
+                     list[x].size = size;
+                     *inlen       = z;
+                     return CRYPT_OK;
+                  }
+               }
+               break;
+
+
+           case LTC_ASN1_PRINTABLE_STRING:
+               if (der_decode_printable_string(in, *inlen, data, &size) == CRYPT_OK) {
+                  if (der_length_printable_string(data, size, &z) == CRYPT_OK) {
+                     list[x].used = 1;
+                     list[x].size = size;
+                     *inlen       = z;
+                     return CRYPT_OK;
+                  }
+               }
+               break;
+
+           case LTC_ASN1_UTF8_STRING:
+               if (der_decode_utf8_string(in, *inlen, data, &size) == CRYPT_OK) {
+                  if (der_length_utf8_string(data, size, &z) == CRYPT_OK) {
+                     list[x].used = 1;
+                     list[x].size = size;
+                     *inlen       = z;
+                     return CRYPT_OK;
+                  }
+               }
+               break;
+
+           case LTC_ASN1_UTCTIME:
+               z = *inlen;
+               if (der_decode_utctime(in, &z, data) == CRYPT_OK) {
+                  list[x].used = 1;
+                  *inlen       = z;
+                  return CRYPT_OK;
+               }
+               break;
+
+           case LTC_ASN1_SET:
+           case LTC_ASN1_SETOF:
+           case LTC_ASN1_SEQUENCE:
+               if (der_decode_sequence(in, *inlen, data, size) == CRYPT_OK) {
+                  if (der_length_sequence(data, size, &z) == CRYPT_OK) {
+                     list[x].used = 1;
+                     *inlen       = z;
+                     return CRYPT_OK;
+                  }
+               }
+               break;
+
+           default:
+               return CRYPT_INVALID_ARG;
+       }
+   }
+
+   return CRYPT_INVALID_PACKET;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/choice/der_decode_choice.c,v $ */
+/* $Revision: 1.9 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/pk/asn1/der_decode_ia5_string.c b/src/libtomcrypt/src/pk/asn1/der_decode_ia5_string.c
new file mode 100644
index 0000000..f2e073b
--- /dev/null
+++ b/src/libtomcrypt/src/pk/asn1/der_decode_ia5_string.c
@@ -0,0 +1,96 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file der_decode_ia5_string.c
+  ASN.1 DER, encode a IA5 STRING, Tom St Denis
+*/
+
+
+#ifdef LTC_DER
+
+/**
+  Store a IA5 STRING
+  @param in      The DER encoded IA5 STRING
+  @param inlen   The size of the DER IA5 STRING
+  @param out     [out] The array of octets stored (one per char)
+  @param outlen  [in/out] The number of octets stored
+  @return CRYPT_OK if successful
+*/
+int der_decode_ia5_string(const unsigned char *in, unsigned long inlen,
+                                unsigned char *out, unsigned long *outlen)
+{
+   unsigned long x, y, len;
+   int           t;
+
+   LTC_ARGCHK(in     != NULL);
+   LTC_ARGCHK(out    != NULL);
+   LTC_ARGCHK(outlen != NULL);
+
+   /* must have header at least */
+   if (inlen < 2) {
+      return CRYPT_INVALID_PACKET;
+   }
+
+   /* check for 0x16 */
+   if ((in[0] & 0x1F) != 0x16) {
+      return CRYPT_INVALID_PACKET;
+   }
+   x = 1;
+
+   /* decode the length */
+   if (in[x] & 0x80) {
+      /* valid # of bytes in length are 1,2,3 */
+      y = in[x] & 0x7F;
+      if ((y == 0) || (y > 3) || ((x + y) > inlen)) {
+         return CRYPT_INVALID_PACKET;
+      }
+
+      /* read the length in */
+      len = 0;
+      ++x;
+      while (y--) {
+         len = (len << 8) | in[x++];
+      }
+   } else {
+      len = in[x++] & 0x7F;
+   }
+
+   /* is it too long? */
+   if (len > *outlen) {
+      *outlen = len;
+      return CRYPT_BUFFER_OVERFLOW;
+   }
+
+   if (len + x > inlen) {
+      return CRYPT_INVALID_PACKET;
+   }
+
+   /* read the data */
+   for (y = 0; y < len; y++) {
+       t = der_ia5_value_decode(in[x++]);
+       if (t == -1) {
+           return CRYPT_INVALID_ARG;
+       }
+       out[y] = t;
+   }
+
+   *outlen = y;
+
+   return CRYPT_OK;
+}
+ 
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/ia5/der_decode_ia5_string.c,v $ */
+/* $Revision: 1.4 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/pk/asn1/der_decode_integer.c b/src/libtomcrypt/src/pk/asn1/der_decode_integer.c
new file mode 100644
index 0000000..cca2745
--- /dev/null
+++ b/src/libtomcrypt/src/pk/asn1/der_decode_integer.c
@@ -0,0 +1,110 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file der_decode_integer.c
+  ASN.1 DER, decode an integer, Tom St Denis
+*/
+
+
+#ifdef LTC_DER
+
+/**
+  Read a mp_int integer
+  @param in       The DER encoded data
+  @param inlen    Size of DER encoded data
+  @param num      The first mp_int to decode
+  @return CRYPT_OK if successful
+*/
+int der_decode_integer(const unsigned char *in, unsigned long inlen, void *num)
+{
+   unsigned long x, y, z;
+   int           err;
+
+   LTC_ARGCHK(num    != NULL);
+   LTC_ARGCHK(in     != NULL);
+
+   /* min DER INTEGER is 0x02 01 00 == 0 */
+   if (inlen < (1 + 1 + 1)) {
+      return CRYPT_INVALID_PACKET;
+   }
+
+   /* ok expect 0x02 when we AND with 0001 1111 [1F] */
+   x = 0;
+   if ((in[x++] & 0x1F) != 0x02) {
+      return CRYPT_INVALID_PACKET;
+   }
+
+   /* now decode the len stuff */
+   z = in[x++];
+
+   if ((z & 0x80) == 0x00) {
+      /* short form */
+
+      /* will it overflow? */
+      if (x + z > inlen) {
+         return CRYPT_INVALID_PACKET;
+      }
+     
+      /* no so read it */
+      if ((err = mp_read_unsigned_bin(num, (unsigned char *)in + x, z)) != CRYPT_OK) {
+         return err;
+      }
+   } else {
+      /* long form */
+      z &= 0x7F;
+      
+      /* will number of length bytes overflow? (or > 4) */
+      if (((x + z) > inlen) || (z > 4) || (z == 0)) {
+         return CRYPT_INVALID_PACKET;
+      }
+
+      /* now read it in */
+      y = 0;
+      while (z--) {
+         y = ((unsigned long)(in[x++])) | (y << 8);
+      }
+
+      /* now will reading y bytes overrun? */
+      if ((x + y) > inlen) {
+         return CRYPT_INVALID_PACKET;
+      }
+
+      /* no so read it */
+      if ((err = mp_read_unsigned_bin(num, (unsigned char *)in + x, y)) != CRYPT_OK) {
+         return err;
+      }
+   }
+
+   /* see if it's negative */
+   if (in[x] & 0x80) {
+      void *tmp;
+      if (mp_init(&tmp) != CRYPT_OK) {
+         return CRYPT_MEM;
+      }
+
+      if (mp_2expt(tmp, mp_count_bits(num)) != CRYPT_OK || mp_sub(num, tmp, num) != CRYPT_OK) {
+         mp_clear(tmp);
+         return CRYPT_MEM;
+      }
+      mp_clear(tmp);
+   } 
+
+   return CRYPT_OK;
+
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/integer/der_decode_integer.c,v $ */
+/* $Revision: 1.5 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/pk/asn1/der_decode_object_identifier.c b/src/libtomcrypt/src/pk/asn1/der_decode_object_identifier.c
new file mode 100644
index 0000000..e7baae8
--- /dev/null
+++ b/src/libtomcrypt/src/pk/asn1/der_decode_object_identifier.c
@@ -0,0 +1,99 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file der_decode_object_identifier.c
+  ASN.1 DER, Decode Object Identifier, Tom St Denis
+*/
+
+#ifdef LTC_DER
+/**
+  Decode OID data and store the array of integers in words
+  @param in      The OID DER encoded data
+  @param inlen   The length of the OID data
+  @param words   [out] The destination of the OID words
+  @param outlen  [in/out] The number of OID words
+  @return CRYPT_OK if successful
+*/
+int der_decode_object_identifier(const unsigned char *in,    unsigned long  inlen,
+                                       unsigned long *words, unsigned long *outlen)
+{
+   unsigned long x, y, t, len;
+
+   LTC_ARGCHK(in     != NULL);
+   LTC_ARGCHK(words  != NULL);
+   LTC_ARGCHK(outlen != NULL);
+
+   /* header is at least 3 bytes */
+   if (inlen < 3) {
+      return CRYPT_INVALID_PACKET;
+   }
+
+   /* must be room for at least two words */
+   if (*outlen < 2) {
+      return CRYPT_BUFFER_OVERFLOW;
+   }
+
+   /* decode the packet header */
+   x = 0;
+   if ((in[x++] & 0x1F) != 0x06) {
+      return CRYPT_INVALID_PACKET;
+   }
+   
+   /* get the length */
+   if (in[x] < 128) {
+      len = in[x++]; 
+   } else {
+       if (in[x] < 0x81 || in[x] > 0x82) {
+          return CRYPT_INVALID_PACKET;
+       }
+       y   = in[x++] & 0x7F;
+       len = 0;
+       while (y--) {
+          len = (len << 8) | (unsigned long)in[x++];
+       }
+   }
+
+   if (len < 1 || (len + x) > inlen) {
+      return CRYPT_INVALID_PACKET;
+   }
+
+   /* decode words */
+   y = 0;
+   t = 0;
+   while (len--) {
+       t = (t << 7) | (in[x] & 0x7F);
+       if (!(in[x++] & 0x80)) {
+           /* store t */
+           if (y >= *outlen) {
+              return CRYPT_BUFFER_OVERFLOW;
+           }
+      if (y == 0) {
+         words[0] = t / 40;
+         words[1] = t % 40;
+         y = 2;
+      } else {
+              words[y++] = t;
+      }
+           t          = 0;
+       }
+   }
+       
+   *outlen = y;
+   return CRYPT_OK;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/object_identifier/der_decode_object_identifier.c,v $ */
+/* $Revision: 1.6 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/pk/asn1/der_decode_octet_string.c b/src/libtomcrypt/src/pk/asn1/der_decode_octet_string.c
new file mode 100644
index 0000000..523d0ba
--- /dev/null
+++ b/src/libtomcrypt/src/pk/asn1/der_decode_octet_string.c
@@ -0,0 +1,91 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file der_decode_octet_string.c
+  ASN.1 DER, encode a OCTET STRING, Tom St Denis
+*/
+
+
+#ifdef LTC_DER
+
+/**
+  Store a OCTET STRING
+  @param in      The DER encoded OCTET STRING
+  @param inlen   The size of the DER OCTET STRING
+  @param out     [out] The array of octets stored (one per char)
+  @param outlen  [in/out] The number of octets stored
+  @return CRYPT_OK if successful
+*/
+int der_decode_octet_string(const unsigned char *in, unsigned long inlen,
+                                  unsigned char *out, unsigned long *outlen)
+{
+   unsigned long x, y, len;
+
+   LTC_ARGCHK(in     != NULL);
+   LTC_ARGCHK(out    != NULL);
+   LTC_ARGCHK(outlen != NULL);
+
+   /* must have header at least */
+   if (inlen < 2) {
+      return CRYPT_INVALID_PACKET;
+   }
+
+   /* check for 0x04 */
+   if ((in[0] & 0x1F) != 0x04) {
+      return CRYPT_INVALID_PACKET;
+   }
+   x = 1;
+
+   /* decode the length */
+   if (in[x] & 0x80) {
+      /* valid # of bytes in length are 1,2,3 */
+      y = in[x] & 0x7F;
+      if ((y == 0) || (y > 3) || ((x + y) > inlen)) {
+         return CRYPT_INVALID_PACKET;
+      }
+
+      /* read the length in */
+      len = 0;
+      ++x;
+      while (y--) {
+         len = (len << 8) | in[x++];
+      }
+   } else {
+      len = in[x++] & 0x7F;
+   }
+
+   /* is it too long? */
+   if (len > *outlen) {
+      *outlen = len;
+      return CRYPT_BUFFER_OVERFLOW;
+   }
+
+   if (len + x > inlen) {
+      return CRYPT_INVALID_PACKET;
+   }
+
+   /* read the data */
+   for (y = 0; y < len; y++) {
+       out[y] = in[x++];
+   }
+
+   *outlen = y;
+
+   return CRYPT_OK;
+}
+ 
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/octet/der_decode_octet_string.c,v $ */
+/* $Revision: 1.4 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/pk/asn1/der_decode_printable_string.c b/src/libtomcrypt/src/pk/asn1/der_decode_printable_string.c
new file mode 100644
index 0000000..f832593
--- /dev/null
+++ b/src/libtomcrypt/src/pk/asn1/der_decode_printable_string.c
@@ -0,0 +1,96 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file der_decode_printable_string.c
+  ASN.1 DER, encode a printable STRING, Tom St Denis
+*/
+
+
+#ifdef LTC_DER
+
+/**
+  Store a printable STRING
+  @param in      The DER encoded printable STRING
+  @param inlen   The size of the DER printable STRING
+  @param out     [out] The array of octets stored (one per char)
+  @param outlen  [in/out] The number of octets stored
+  @return CRYPT_OK if successful
+*/
+int der_decode_printable_string(const unsigned char *in, unsigned long inlen,
+                                unsigned char *out, unsigned long *outlen)
+{
+   unsigned long x, y, len;
+   int           t;
+
+   LTC_ARGCHK(in     != NULL);
+   LTC_ARGCHK(out    != NULL);
+   LTC_ARGCHK(outlen != NULL);
+
+   /* must have header at least */
+   if (inlen < 2) {
+      return CRYPT_INVALID_PACKET;
+   }
+
+   /* check for 0x13 */
+   if ((in[0] & 0x1F) != 0x13) {
+      return CRYPT_INVALID_PACKET;
+   }
+   x = 1;
+
+   /* decode the length */
+   if (in[x] & 0x80) {
+      /* valid # of bytes in length are 1,2,3 */
+      y = in[x] & 0x7F;
+      if ((y == 0) || (y > 3) || ((x + y) > inlen)) {
+         return CRYPT_INVALID_PACKET;
+      }
+
+      /* read the length in */
+      len = 0;
+      ++x;
+      while (y--) {
+         len = (len << 8) | in[x++];
+      }
+   } else {
+      len = in[x++] & 0x7F;
+   }
+
+   /* is it too long? */
+   if (len > *outlen) {
+      *outlen = len;
+      return CRYPT_BUFFER_OVERFLOW;
+   }
+
+   if (len + x > inlen) {
+      return CRYPT_INVALID_PACKET;
+   }
+
+   /* read the data */
+   for (y = 0; y < len; y++) {
+       t = der_printable_value_decode(in[x++]);
+       if (t == -1) {
+           return CRYPT_INVALID_ARG;
+       }
+       out[y] = t;
+   }
+
+   *outlen = y;
+
+   return CRYPT_OK;
+}
+ 
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/printable_string/der_decode_printable_string.c,v $ */
+/* $Revision: 1.4 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/pk/asn1/der_decode_sequence_ex.c b/src/libtomcrypt/src/pk/asn1/der_decode_sequence_ex.c
new file mode 100644
index 0000000..9b00f61
--- /dev/null
+++ b/src/libtomcrypt/src/pk/asn1/der_decode_sequence_ex.c
@@ -0,0 +1,287 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+#include <stdarg.h>
+
+
+/**
+  @file der_decode_sequence_ex.c
+  ASN.1 DER, decode a SEQUENCE, Tom St Denis
+*/
+
+#ifdef LTC_DER
+
+/**
+   Decode a SEQUENCE
+   @param in       The DER encoded input
+   @param inlen    The size of the input
+   @param list     The list of items to decode
+   @param outlen   The number of items in the list
+   @param ordered  Search an unordeded or ordered list
+   @return CRYPT_OK on success
+*/
+int der_decode_sequence_ex(const unsigned char *in, unsigned long  inlen,
+                           ltc_asn1_list *list,     unsigned long  outlen, int ordered)
+{
+   int           err, type;
+   unsigned long size, x, y, z, i, blksize;
+   void          *data;
+
+   LTC_ARGCHK(in   != NULL);
+   LTC_ARGCHK(list != NULL);
+   
+   /* get blk size */
+   if (inlen < 2) {
+      return CRYPT_INVALID_PACKET;
+   }
+
+   /* sequence type? We allow 0x30 SEQUENCE and 0x31 SET since fundamentally they're the same structure */
+   x = 0;
+   if (in[x] != 0x30 && in[x] != 0x31) {
+      return CRYPT_INVALID_PACKET;
+   }
+   ++x;
+
+   if (in[x] < 128) {
+      blksize = in[x++];
+   } else if (in[x] & 0x80) {
+      if (in[x] < 0x81 || in[x] > 0x83) {
+         return CRYPT_INVALID_PACKET;
+      }
+      y = in[x++] & 0x7F;
+
+      /* would reading the len bytes overrun? */
+      if (x + y > inlen) {
+         return CRYPT_INVALID_PACKET;
+      }
+
+      /* read len */
+      blksize = 0;
+      while (y--) {
+          blksize = (blksize << 8) | (unsigned long)in[x++];
+      }
+  }
+
+  /* would this blksize overflow? */
+  if (x + blksize > inlen) {
+     return CRYPT_INVALID_PACKET;
+  }
+
+   /* mark all as unused */
+   for (i = 0; i < outlen; i++) {
+       list[i].used = 0;
+   }     
+
+  /* ok read data */
+   inlen = blksize;
+   for (i = 0; i < outlen; i++) {
+       z    = 0;
+       type = list[i].type;
+       size = list[i].size;
+       data = list[i].data;
+       if (!ordered && list[i].used == 1) { continue; }
+
+       if (type == LTC_ASN1_EOL) { 
+          break;
+       }
+
+       switch (type) {
+           case LTC_ASN1_BOOLEAN:
+               z = inlen;
+               if ((err = der_decode_boolean(in + x, z, ((int *)data))) != CRYPT_OK) {
+                   goto LBL_ERR;
+               }
+               if ((err = der_length_boolean(&z)) != CRYPT_OK) {
+                   goto LBL_ERR;
+                }
+                break;
+          
+           case LTC_ASN1_INTEGER:
+               z = inlen;
+               if ((err = der_decode_integer(in + x, z, data)) != CRYPT_OK) {
+                  if (!ordered) {  continue; }
+                  goto LBL_ERR;
+               }
+               if ((err = der_length_integer(data, &z)) != CRYPT_OK) {
+                  goto LBL_ERR;
+               }
+               break;
+
+           case LTC_ASN1_SHORT_INTEGER:
+               z = inlen;
+               if ((err = der_decode_short_integer(in + x, z, data)) != CRYPT_OK) {
+                  if (!ordered) { continue; }
+                  goto LBL_ERR;
+               }
+               if ((err = der_length_short_integer(((unsigned long*)data)[0], &z)) != CRYPT_OK) {
+                  goto LBL_ERR;
+               }
+               
+               break;
+
+           case LTC_ASN1_BIT_STRING:
+               z = inlen;
+               if ((err = der_decode_bit_string(in + x, z, data, &size)) != CRYPT_OK) {
+                  if (!ordered) { continue; }
+                  goto LBL_ERR;
+               }
+               list[i].size = size;
+               if ((err = der_length_bit_string(size, &z)) != CRYPT_OK) {
+                  goto LBL_ERR;
+               }
+               break;
+
+           case LTC_ASN1_OCTET_STRING:
+               z = inlen;
+               if ((err = der_decode_octet_string(in + x, z, data, &size)) != CRYPT_OK) {
+                  if (!ordered) { continue; }
+                  goto LBL_ERR;
+               }
+               list[i].size = size;
+               if ((err = der_length_octet_string(size, &z)) != CRYPT_OK) {
+                  goto LBL_ERR;
+               }
+               break;
+
+           case LTC_ASN1_NULL:
+               if (inlen < 2 || in[x] != 0x05 || in[x+1] != 0x00) {
+                  if (!ordered) { continue; }
+                  err = CRYPT_INVALID_PACKET;
+                  goto LBL_ERR;
+               }
+               z = 2;
+               break;
+                  
+           case LTC_ASN1_OBJECT_IDENTIFIER:
+               z = inlen;
+               if ((err = der_decode_object_identifier(in + x, z, data, &size)) != CRYPT_OK) {
+                  if (!ordered) { continue; }
+                  goto LBL_ERR;
+               }
+               list[i].size = size;
+               if ((err = der_length_object_identifier(data, size, &z)) != CRYPT_OK) {
+                  goto LBL_ERR;
+               }
+               break;
+
+           case LTC_ASN1_IA5_STRING:
+               z = inlen;
+               if ((err = der_decode_ia5_string(in + x, z, data, &size)) != CRYPT_OK) {
+                  if (!ordered) { continue; }
+                  goto LBL_ERR;
+               }
+               list[i].size = size;
+               if ((err = der_length_ia5_string(data, size, &z)) != CRYPT_OK) {
+                  goto LBL_ERR;
+               }
+               break;
+
+
+           case LTC_ASN1_PRINTABLE_STRING:
+               z = inlen;
+               if ((err = der_decode_printable_string(in + x, z, data, &size)) != CRYPT_OK) {
+                  if (!ordered) { continue; }
+                  goto LBL_ERR;
+               }
+               list[i].size = size;
+               if ((err = der_length_printable_string(data, size, &z)) != CRYPT_OK) {
+                  goto LBL_ERR;
+               }
+               break;
+
+           case LTC_ASN1_UTF8_STRING:
+               z = inlen;
+               if ((err = der_decode_utf8_string(in + x, z, data, &size)) != CRYPT_OK) {
+                  if (!ordered) { continue; }
+                  goto LBL_ERR;
+               }
+               list[i].size = size;
+               if ((err = der_length_utf8_string(data, size, &z)) != CRYPT_OK) {
+                  goto LBL_ERR;
+               }
+               break;
+
+           case LTC_ASN1_UTCTIME:
+               z = inlen;
+               if ((err = der_decode_utctime(in + x, &z, data)) != CRYPT_OK) {
+                  if (!ordered) { continue; }
+                  goto LBL_ERR;
+               }
+               break;
+
+           case LTC_ASN1_SET:
+               z = inlen;
+               if ((err = der_decode_set(in + x, z, data, size)) != CRYPT_OK) {
+                  if (!ordered) { continue; }
+                  goto LBL_ERR;
+               }
+               if ((err = der_length_sequence(data, size, &z)) != CRYPT_OK) {
+                  goto LBL_ERR;
+               }
+               break;
+           
+           case LTC_ASN1_SETOF:
+           case LTC_ASN1_SEQUENCE:
+               /* detect if we have the right type */
+               if ((type == LTC_ASN1_SETOF && (in[x] & 0x3F) != 0x31) || (type == LTC_ASN1_SEQUENCE && (in[x] & 0x3F) != 0x30)) {
+                  err = CRYPT_INVALID_PACKET;
+                  goto LBL_ERR;
+               }
+
+               z = inlen;
+               if ((err = der_decode_sequence(in + x, z, data, size)) != CRYPT_OK) {
+                  if (!ordered) { continue; }
+                  goto LBL_ERR;
+               }
+               if ((err = der_length_sequence(data, size, &z)) != CRYPT_OK) {
+                  goto LBL_ERR;
+               }
+               break;
+
+
+           case LTC_ASN1_CHOICE:
+               z = inlen;
+               if ((err = der_decode_choice(in + x, &z, data, size)) != CRYPT_OK) {
+                  if (!ordered) { continue; }
+                  goto LBL_ERR;
+               }
+               break;
+
+           default:
+               err = CRYPT_INVALID_ARG;
+               goto LBL_ERR;
+       }
+       x           += z;
+       inlen       -= z;
+       list[i].used = 1;
+       if (!ordered) { 
+          /* restart the decoder */
+          i = -1;
+       }          
+   }
+     
+   for (i = 0; i < outlen; i++) {
+      if (list[i].used == 0) {
+          err = CRYPT_INVALID_PACKET;
+          goto LBL_ERR;
+      }
+   }                
+   err = CRYPT_OK;   
+
+LBL_ERR:
+   return err;
+}  
+ 
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/sequence/der_decode_sequence_ex.c,v $ */
+/* $Revision: 1.16 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/pk/asn1/der_decode_sequence_flexi.c b/src/libtomcrypt/src/pk/asn1/der_decode_sequence_flexi.c
new file mode 100644
index 0000000..9c648bc
--- /dev/null
+++ b/src/libtomcrypt/src/pk/asn1/der_decode_sequence_flexi.c
@@ -0,0 +1,386 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file der_decode_sequence_flexi.c
+  ASN.1 DER, decode an array of ASN.1 types with a flexi parser, Tom St Denis
+*/
+
+#ifdef LTC_DER
+
+static unsigned long fetch_length(const unsigned char *in, unsigned long inlen)
+{
+   unsigned long x, y, z;
+
+   y = 0;
+
+   /* skip type and read len */
+   if (inlen < 2) {
+      return 0xFFFFFFFF;
+   }
+   ++in; ++y;
+   
+   /* read len */
+   x = *in++; ++y;
+   
+   /* <128 means literal */
+   if (x < 128) {
+      return x+y;
+   }
+   x     &= 0x7F; /* the lower 7 bits are the length of the length */
+   inlen -= 2;
+   
+   /* len means len of len! */
+   if (x == 0 || x > 4 || x > inlen) {
+      return 0xFFFFFFFF;
+   }
+   
+   y += x;
+   z = 0;
+   while (x--) {   
+      z = (z<<8) | ((unsigned long)*in);
+      ++in;
+   }
+   return z+y;
+}
+
+/** 
+   ASN.1 DER Flexi(ble) decoder will decode arbitrary DER packets and create a linked list of the decoded elements.
+   @param in      The input buffer
+   @param inlen   [in/out] The length of the input buffer and on output the amount of decoded data 
+   @param out     [out] A pointer to the linked list
+   @return CRYPT_OK on success.
+*/   
+int der_decode_sequence_flexi(const unsigned char *in, unsigned long *inlen, ltc_asn1_list **out)
+{
+   ltc_asn1_list *l;
+   unsigned long err, type, len, totlen, x, y;
+   void          *realloc_tmp;
+   
+   LTC_ARGCHK(in    != NULL);
+   LTC_ARGCHK(inlen != NULL);
+   LTC_ARGCHK(out   != NULL);
+
+   l = NULL;
+   totlen = 0;
+   
+   /* scan the input and and get lengths and what not */
+   while (*inlen) {     
+      /* read the type byte */
+      type = *in;
+
+      /* fetch length */
+      len = fetch_length(in, *inlen);
+      if (len > *inlen) {
+         err = CRYPT_INVALID_PACKET;
+         goto error;
+      }
+
+      /* alloc new link */
+      if (l == NULL) {
+         l = XCALLOC(1, sizeof(*l));
+         if (l == NULL) {
+            err = CRYPT_MEM;
+            goto error;
+         }
+      } else {
+         l->next = XCALLOC(1, sizeof(*l));
+         if (l->next == NULL) {
+            err = CRYPT_MEM;
+            goto error;
+         }
+         l->next->prev = l;
+         l = l->next;
+      }
+
+      /* now switch on type */
+      switch (type) {
+         case 0x01: /* BOOLEAN */
+            l->type = LTC_ASN1_BOOLEAN;
+            l->size = 1;
+            l->data = XCALLOC(1, sizeof(int));
+       
+            if ((err = der_decode_boolean(in, *inlen, l->data)) != CRYPT_OK) {
+               goto error;
+            }
+        
+            if ((err = der_length_boolean(&len)) != CRYPT_OK) {
+               goto error;
+            }
+            break;
+
+         case 0x02: /* INTEGER */
+             /* init field */
+             l->type = LTC_ASN1_INTEGER;
+             l->size = 1;
+             if ((err = mp_init(&l->data)) != CRYPT_OK) {
+                 goto error;
+             }
+             
+             /* decode field */
+             if ((err = der_decode_integer(in, *inlen, l->data)) != CRYPT_OK) {
+                 goto error;
+             }
+             
+             /* calc length of object */
+             if ((err = der_length_integer(l->data, &len)) != CRYPT_OK) {
+                 goto error;
+             }
+             break;
+
+         case 0x03: /* BIT */
+            /* init field */
+            l->type = LTC_ASN1_BIT_STRING;
+            l->size = len * 8; /* *8 because we store decoded bits one per char and they are encoded 8 per char.  */
+
+            if ((l->data = XCALLOC(1, l->size)) == NULL) {
+               err = CRYPT_MEM;
+               goto error;
+            }
+            
+            if ((err = der_decode_bit_string(in, *inlen, l->data, &l->size)) != CRYPT_OK) {
+               goto error;
+            }
+            
+            if ((err = der_length_bit_string(l->size, &len)) != CRYPT_OK) {
+               goto error;
+            }
+            break;
+
+         case 0x04: /* OCTET */
+
+            /* init field */
+            l->type = LTC_ASN1_OCTET_STRING;
+            l->size = len;
+
+            if ((l->data = XCALLOC(1, l->size)) == NULL) {
+               err = CRYPT_MEM;
+               goto error;
+            }
+            
+            if ((err = der_decode_octet_string(in, *inlen, l->data, &l->size)) != CRYPT_OK) {
+               goto error;
+            }
+            
+            if ((err = der_length_octet_string(l->size, &len)) != CRYPT_OK) {
+               goto error;
+            }
+            break;
+
+         case 0x05: /* NULL */
+         
+            /* valid NULL is 0x05 0x00 */
+            if (in[0] != 0x05 || in[1] != 0x00) {
+               err = CRYPT_INVALID_PACKET;
+               goto error;
+            }
+            
+            /* simple to store ;-) */
+            l->type = LTC_ASN1_NULL;
+            l->data = NULL;
+            l->size = 0;
+            len     = 2;
+            
+            break;
+         
+         case 0x06: /* OID */
+         
+            /* init field */
+            l->type = LTC_ASN1_OBJECT_IDENTIFIER;
+            l->size = len;
+
+            if ((l->data = XCALLOC(len, sizeof(unsigned long))) == NULL) {
+               err = CRYPT_MEM;
+               goto error;
+            }
+            
+            if ((err = der_decode_object_identifier(in, *inlen, l->data, &l->size)) != CRYPT_OK) {
+               goto error;
+            }
+            
+            if ((err = der_length_object_identifier(l->data, l->size, &len)) != CRYPT_OK) {
+               goto error;
+            }
+            
+            /* resize it to save a bunch of mem */
+            if ((realloc_tmp = XREALLOC(l->data, l->size * sizeof(unsigned long))) == NULL) {
+               /* out of heap but this is not an error */
+               break;
+            }
+            l->data = realloc_tmp;
+            break;
+  
+         case 0x0C: /* UTF8 */
+         
+            /* init field */
+            l->type = LTC_ASN1_UTF8_STRING;
+            l->size = len;
+
+            if ((l->data = XCALLOC(sizeof(wchar_t), l->size)) == NULL) {
+               err = CRYPT_MEM;
+               goto error;
+            }
+            
+            if ((err = der_decode_utf8_string(in, *inlen, l->data, &l->size)) != CRYPT_OK) {
+               goto error;
+            }
+            
+            if ((err = der_length_utf8_string(l->data, l->size, &len)) != CRYPT_OK) {
+               goto error;
+            }
+            break;
+
+         case 0x13: /* PRINTABLE */
+         
+            /* init field */
+            l->type = LTC_ASN1_PRINTABLE_STRING;
+            l->size = len;
+
+            if ((l->data = XCALLOC(1, l->size)) == NULL) {
+               err = CRYPT_MEM;
+               goto error;
+            }
+            
+            if ((err = der_decode_printable_string(in, *inlen, l->data, &l->size)) != CRYPT_OK) {
+               goto error;
+            }
+            
+            if ((err = der_length_printable_string(l->data, l->size, &len)) != CRYPT_OK) {
+               goto error;
+            }
+            break;
+         
+         case 0x16: /* IA5 */
+         
+            /* init field */
+            l->type = LTC_ASN1_IA5_STRING;
+            l->size = len;
+
+            if ((l->data = XCALLOC(1, l->size)) == NULL) {
+               err = CRYPT_MEM;
+               goto error;
+            }
+            
+            if ((err = der_decode_ia5_string(in, *inlen, l->data, &l->size)) != CRYPT_OK) {
+               goto error;
+            }
+            
+            if ((err = der_length_ia5_string(l->data, l->size, &len)) != CRYPT_OK) {
+               goto error;
+            }
+            break;
+         
+         case 0x17: /* UTC TIME */
+         
+            /* init field */
+            l->type = LTC_ASN1_UTCTIME;
+            l->size = 1;
+
+            if ((l->data = XCALLOC(1, sizeof(ltc_utctime))) == NULL) {
+               err = CRYPT_MEM;
+               goto error;
+            }
+            
+            len = *inlen;
+            if ((err = der_decode_utctime(in, &len, l->data)) != CRYPT_OK) {
+               goto error;
+            }
+            
+            if ((err = der_length_utctime(l->data, &len)) != CRYPT_OK) {
+               goto error;
+            }
+            break;
+         
+         case 0x30: /* SEQUENCE */
+         case 0x31: /* SET */
+         
+             /* init field */
+             l->type = (type == 0x30) ? LTC_ASN1_SEQUENCE : LTC_ASN1_SET;
+             
+             /* we have to decode the SEQUENCE header and get it's length */
+             
+                /* move past type */
+                ++in; --(*inlen);
+                
+                /* read length byte */
+                x = *in++; --(*inlen);
+                
+                /* smallest SEQUENCE/SET header */
+                y = 2;
+                
+                /* now if it's > 127 the next bytes are the length of the length */
+                if (x > 128) {
+                   x      &= 0x7F;
+                   in     += x;
+                   *inlen -= x;
+                   
+                   /* update sequence header len */
+                   y      += x;
+                }
+             
+             /* Sequence elements go as child */
+             len = len - y;
+             if ((err = der_decode_sequence_flexi(in, &len, &(l->child))) != CRYPT_OK) {
+                goto error;
+             }
+             
+             /* len update */
+             totlen += y;
+             
+             /* link them up y0 */
+             l->child->parent = l;
+             
+             break;
+         default:
+           /* invalid byte ... this is a soft error */
+           /* remove link */
+           l       = l->prev;
+           XFREE(l->next);
+           l->next = NULL;
+           goto outside;
+      }
+      
+      /* advance pointers */
+      totlen  += len;
+      in      += len;
+      *inlen  -= len;
+   }
+   
+outside:   
+
+   /* rewind l please */
+   while (l->prev != NULL || l->parent != NULL) {
+      if (l->parent != NULL) {
+         l = l->parent;
+      } else {
+         l = l->prev;
+      }
+   }
+   
+   /* return */
+   *out   = l;
+   *inlen = totlen;
+   return CRYPT_OK;
+
+error:
+   /* free list */
+   der_sequence_free(l);
+
+   return err;
+}
+
+#endif
+
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/sequence/der_decode_sequence_flexi.c,v $ */
+/* $Revision: 1.26 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/pk/asn1/der_decode_sequence_multi.c b/src/libtomcrypt/src/pk/asn1/der_decode_sequence_multi.c
new file mode 100644
index 0000000..ff633df
--- /dev/null
+++ b/src/libtomcrypt/src/pk/asn1/der_decode_sequence_multi.c
@@ -0,0 +1,139 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+#include <stdarg.h>
+
+
+/**
+  @file der_decode_sequence_multi.c
+  ASN.1 DER, decode a SEQUENCE, Tom St Denis
+*/
+
+#ifdef LTC_DER
+
+/**
+  Decode a SEQUENCE type using a VA list
+  @param in    Input buffer
+  @param inlen Length of input in octets
+  @remark <...> is of the form <type, size, data> (int, unsigned long, void*)
+  @return CRYPT_OK on success
+*/  
+int der_decode_sequence_multi(const unsigned char *in, unsigned long inlen, ...)
+{
+   int           err, type;
+   unsigned long size, x;
+   void          *data;
+   va_list       args;
+   ltc_asn1_list *list;
+
+   LTC_ARGCHK(in    != NULL);
+
+   /* get size of output that will be required */
+   va_start(args, inlen);
+   x = 0;
+   for (;;) {
+       type = va_arg(args, int);
+       size = va_arg(args, unsigned long);
+       data = va_arg(args, void*);
+
+       if (type == LTC_ASN1_EOL) { 
+          break;
+       }
+
+       switch (type) {
+           case LTC_ASN1_BOOLEAN:
+           case LTC_ASN1_INTEGER:
+           case LTC_ASN1_SHORT_INTEGER:
+           case LTC_ASN1_BIT_STRING:
+           case LTC_ASN1_OCTET_STRING:
+           case LTC_ASN1_NULL:
+           case LTC_ASN1_OBJECT_IDENTIFIER:
+           case LTC_ASN1_IA5_STRING:
+           case LTC_ASN1_PRINTABLE_STRING:
+           case LTC_ASN1_UTF8_STRING:
+           case LTC_ASN1_UTCTIME:
+           case LTC_ASN1_SET:
+           case LTC_ASN1_SETOF:
+           case LTC_ASN1_SEQUENCE:
+           case LTC_ASN1_CHOICE:
+                ++x; 
+                break;
+          
+           default:
+               va_end(args);
+               return CRYPT_INVALID_ARG;
+       }
+   }
+   va_end(args);
+
+   /* allocate structure for x elements */
+   if (x == 0) {
+      return CRYPT_NOP;
+   }
+
+   list = XCALLOC(sizeof(*list), x);
+   if (list == NULL) {
+      return CRYPT_MEM;
+   }
+
+   /* fill in the structure */
+   va_start(args, inlen);
+   x = 0;
+   for (;;) {
+       type = va_arg(args, int);
+       size = va_arg(args, unsigned long);
+       data = va_arg(args, void*);
+
+       if (type == LTC_ASN1_EOL) { 
+          break;
+       }
+
+       switch (type) {
+           case LTC_ASN1_BOOLEAN:
+           case LTC_ASN1_INTEGER:
+           case LTC_ASN1_SHORT_INTEGER:
+           case LTC_ASN1_BIT_STRING:
+           case LTC_ASN1_OCTET_STRING:
+           case LTC_ASN1_NULL:
+           case LTC_ASN1_OBJECT_IDENTIFIER:
+           case LTC_ASN1_IA5_STRING:
+           case LTC_ASN1_PRINTABLE_STRING:
+           case LTC_ASN1_UTF8_STRING:
+           case LTC_ASN1_UTCTIME:
+           case LTC_ASN1_SEQUENCE:
+           case LTC_ASN1_SET:
+           case LTC_ASN1_SETOF:          
+           case LTC_ASN1_CHOICE:
+                list[x].type   = type;
+                list[x].size   = size;
+                list[x++].data = data;
+                break;
+         
+           default:
+               va_end(args);
+               err = CRYPT_INVALID_ARG;
+               goto LBL_ERR;
+       }
+   }
+   va_end(args);
+
+   err = der_decode_sequence(in, inlen, list, x);
+LBL_ERR:
+   XFREE(list);
+   return err;
+}
+
+#endif
+
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/sequence/der_decode_sequence_multi.c,v $ */
+/* $Revision: 1.13 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/pk/asn1/der_decode_short_integer.c b/src/libtomcrypt/src/pk/asn1/der_decode_short_integer.c
new file mode 100644
index 0000000..907e4e1
--- /dev/null
+++ b/src/libtomcrypt/src/pk/asn1/der_decode_short_integer.c
@@ -0,0 +1,68 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file der_decode_short_integer.c
+  ASN.1 DER, decode an integer, Tom St Denis
+*/
+
+
+#ifdef LTC_DER
+
+/**
+  Read a short integer
+  @param in       The DER encoded data
+  @param inlen    Size of data
+  @param num      [out] The integer to decode
+  @return CRYPT_OK if successful
+*/
+int der_decode_short_integer(const unsigned char *in, unsigned long inlen, unsigned long *num)
+{
+   unsigned long len, x, y;
+
+   LTC_ARGCHK(num    != NULL);
+   LTC_ARGCHK(in     != NULL);
+
+   /* check length */
+   if (inlen < 2) {
+      return CRYPT_INVALID_PACKET;
+   }
+
+   /* check header */
+   x = 0;
+   if ((in[x++] & 0x1F) != 0x02) {
+      return CRYPT_INVALID_PACKET;
+   }
+
+   /* get the packet len */
+   len = in[x++];
+
+   if (x + len > inlen) {
+      return CRYPT_INVALID_PACKET;
+   }
+
+   /* read number */
+   y = 0;
+   while (len--) {
+      y = (y<<8) | (unsigned long)in[x++];
+   }
+   *num = y;
+
+   return CRYPT_OK;
+
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/short_integer/der_decode_short_integer.c,v $ */
+/* $Revision: 1.7 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/pk/asn1/der_decode_utctime.c b/src/libtomcrypt/src/pk/asn1/der_decode_utctime.c
new file mode 100644
index 0000000..7f3f0d7
--- /dev/null
+++ b/src/libtomcrypt/src/pk/asn1/der_decode_utctime.c
@@ -0,0 +1,127 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file der_decode_utctime.c
+  ASN.1 DER, decode a  UTCTIME, Tom St Denis
+*/
+
+#ifdef LTC_DER
+
+static int char_to_int(unsigned char x)
+{
+   switch (x)  {
+      case '0': return 0;
+      case '1': return 1;
+      case '2': return 2;
+      case '3': return 3;
+      case '4': return 4;
+      case '5': return 5;
+      case '6': return 6;
+      case '7': return 7;
+      case '8': return 8;
+      case '9': return 9;
+   }
+   return 100;
+}
+
+#define DECODE_V(y, max) \
+   y  = char_to_int(buf[x])*10 + char_to_int(buf[x+1]); \
+   if (y >= max) return CRYPT_INVALID_PACKET;           \
+   x += 2;
+
+/**
+  Decodes a UTC time structure in DER format (reads all 6 valid encoding formats)
+  @param in     Input buffer
+  @param inlen  Length of input buffer in octets
+  @param out    [out] Destination of UTC time structure
+  @return CRYPT_OK   if successful
+*/
+int der_decode_utctime(const unsigned char *in, unsigned long *inlen,
+                             ltc_utctime   *out)
+{
+   unsigned char buf[32];
+   unsigned long x;
+   int           y;
+
+   LTC_ARGCHK(in    != NULL);
+   LTC_ARGCHK(inlen != NULL);
+   LTC_ARGCHK(out   != NULL);
+
+   /* check header */
+   if (*inlen < 2UL || (in[1] >= sizeof(buf)) || ((in[1] + 2UL) > *inlen)) {
+      return CRYPT_INVALID_PACKET;
+   }
+
+   /* decode the string */
+   for (x = 0; x < in[1]; x++) {
+       y = der_ia5_value_decode(in[x+2]);
+       if (y == -1) {
+          return CRYPT_INVALID_PACKET;
+       }
+       buf[x] = y;
+   }
+   *inlen = 2 + x;
+
+
+   /* possible encodings are 
+YYMMDDhhmmZ
+YYMMDDhhmm+hh'mm'
+YYMMDDhhmm-hh'mm'
+YYMMDDhhmmssZ
+YYMMDDhhmmss+hh'mm'
+YYMMDDhhmmss-hh'mm'
+
+    So let's do a trivial decode upto [including] mm 
+   */
+
+    x = 0;
+    DECODE_V(out->YY, 100);
+    DECODE_V(out->MM, 13);
+    DECODE_V(out->DD, 32);
+    DECODE_V(out->hh, 24);
+    DECODE_V(out->mm, 60);
+
+    /* clear timezone and seconds info */
+    out->off_dir = out->off_hh = out->off_mm = out->ss = 0;
+
+    /* now is it Z, +, - or 0-9 */
+    if (buf[x] == 'Z') {
+       return CRYPT_OK;
+    } else if (buf[x] == '+' || buf[x] == '-') {
+       out->off_dir = (buf[x++] == '+') ? 0 : 1;
+       DECODE_V(out->off_hh, 24);
+       DECODE_V(out->off_mm, 60);
+       return CRYPT_OK;
+    }
+
+    /* decode seconds */
+    DECODE_V(out->ss, 60);
+
+    /* now is it Z, +, - */
+    if (buf[x] == 'Z') {
+       return CRYPT_OK;
+    } else if (buf[x] == '+' || buf[x] == '-') {
+       out->off_dir = (buf[x++] == '+') ? 0 : 1;
+       DECODE_V(out->off_hh, 24);
+       DECODE_V(out->off_mm, 60);
+       return CRYPT_OK;
+    } else {
+       return CRYPT_INVALID_PACKET;
+    }
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/utctime/der_decode_utctime.c,v $ */
+/* $Revision: 1.9 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/pk/asn1/der_decode_utf8_string.c b/src/libtomcrypt/src/pk/asn1/der_decode_utf8_string.c
new file mode 100644
index 0000000..898d6cd
--- /dev/null
+++ b/src/libtomcrypt/src/pk/asn1/der_decode_utf8_string.c
@@ -0,0 +1,111 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file der_decode_utf8_string.c
+  ASN.1 DER, encode a UTF8 STRING, Tom St Denis
+*/
+
+
+#ifdef LTC_DER
+
+/**
+  Store a UTF8 STRING
+  @param in      The DER encoded UTF8 STRING
+  @param inlen   The size of the DER UTF8 STRING
+  @param out     [out] The array of utf8s stored (one per char)
+  @param outlen  [in/out] The number of utf8s stored
+  @return CRYPT_OK if successful
+*/
+int der_decode_utf8_string(const unsigned char *in,  unsigned long inlen,
+                                       wchar_t *out, unsigned long *outlen)
+{
+   wchar_t       tmp;
+   unsigned long x, y, z, len;
+
+   LTC_ARGCHK(in     != NULL);
+   LTC_ARGCHK(out    != NULL);
+   LTC_ARGCHK(outlen != NULL);
+
+   /* must have header at least */
+   if (inlen < 2) {
+      return CRYPT_INVALID_PACKET;
+   }
+
+   /* check for 0x0C */
+   if ((in[0] & 0x1F) != 0x0C) {
+      return CRYPT_INVALID_PACKET;
+   }
+   x = 1;
+
+   /* decode the length */
+   if (in[x] & 0x80) {
+      /* valid # of bytes in length are 1,2,3 */
+      y = in[x] & 0x7F;
+      if ((y == 0) || (y > 3) || ((x + y) > inlen)) {
+         return CRYPT_INVALID_PACKET;
+      }
+
+      /* read the length in */
+      len = 0;
+      ++x;
+      while (y--) {
+         len = (len << 8) | in[x++];
+      }
+   } else {
+      len = in[x++] & 0x7F;
+   }
+
+   if (len + x > inlen) {
+      return CRYPT_INVALID_PACKET;
+   }
+
+   /* proceed to decode */
+   for (y = 0; x < inlen; ) {
+      /* get first byte */
+      tmp = in[x++];
+ 
+      /* count number of bytes */
+      for (z = 0; (tmp & 0x80) && (z <= 4); z++, tmp = (tmp << 1) & 0xFF);
+      
+      if (z > 4 || (x + (z - 1) > inlen)) {
+         return CRYPT_INVALID_PACKET;
+      }
+
+      /* decode, grab upper bits */
+      tmp >>= z;
+
+      /* grab remaining bytes */
+      if (z > 1) { --z; }
+      while (z-- != 0) {
+         if ((in[x] & 0xC0) != 0x80) {
+            return CRYPT_INVALID_PACKET;
+         }
+         tmp = (tmp << 6) | ((wchar_t)in[x++] & 0x3F);
+      }
+
+      if (y > *outlen) {
+         *outlen = y;
+         return CRYPT_BUFFER_OVERFLOW;
+      }
+      out[y++] = tmp;
+   }
+   *outlen = y;
+
+   return CRYPT_OK;
+}
+ 
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/utf8/der_decode_utf8_string.c,v $ */
+/* $Revision: 1.8 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/pk/asn1/der_length_bit_string.c b/src/libtomcrypt/src/pk/asn1/der_length_bit_string.c
new file mode 100644
index 0000000..2bffa3b
--- /dev/null
+++ b/src/libtomcrypt/src/pk/asn1/der_length_bit_string.c
@@ -0,0 +1,54 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file der_length_bit_string.c
+  ASN.1 DER, get length of BIT STRING, Tom St Denis
+*/
+
+#ifdef LTC_DER
+/**
+  Gets length of DER encoding of BIT STRING 
+  @param nbits  The number of bits in the string to encode
+  @param outlen [out] The length of the DER encoding for the given string
+  @return CRYPT_OK if successful
+*/
+int der_length_bit_string(unsigned long nbits, unsigned long *outlen)
+{
+   unsigned long nbytes;
+   LTC_ARGCHK(outlen != NULL);
+
+   /* get the number of the bytes */
+   nbytes = (nbits >> 3) + ((nbits & 7) ? 1 : 0) + 1;
+ 
+   if (nbytes < 128) {
+      /* 03 LL PP DD DD DD ... */
+      *outlen = 2 + nbytes;
+   } else if (nbytes < 256) {
+      /* 03 81 LL PP DD DD DD ... */
+      *outlen = 3 + nbytes;
+   } else if (nbytes < 65536) {
+      /* 03 82 LL LL PP DD DD DD ... */
+      *outlen = 4 + nbytes;
+   } else {
+      return CRYPT_INVALID_ARG;
+   }
+
+   return CRYPT_OK;
+}
+
+#endif
+
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/bit/der_length_bit_string.c,v $ */
+/* $Revision: 1.3 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/pk/asn1/der_length_boolean.c b/src/libtomcrypt/src/pk/asn1/der_length_boolean.c
new file mode 100644
index 0000000..e34ce5c
--- /dev/null
+++ b/src/libtomcrypt/src/pk/asn1/der_length_boolean.c
@@ -0,0 +1,35 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file der_length_boolean.c
+  ASN.1 DER, get length of a BOOLEAN, Tom St Denis
+*/
+
+#ifdef LTC_DER
+/**
+  Gets length of DER encoding of a BOOLEAN 
+  @param outlen [out] The length of the DER encoding
+  @return CRYPT_OK if successful
+*/
+int der_length_boolean(unsigned long *outlen)
+{
+   LTC_ARGCHK(outlen != NULL);
+   *outlen = 3;
+   return CRYPT_OK;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/boolean/der_length_boolean.c,v $ */
+/* $Revision: 1.3 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/pk/asn1/der_length_ia5_string.c b/src/libtomcrypt/src/pk/asn1/der_length_ia5_string.c
new file mode 100644
index 0000000..473bc79
--- /dev/null
+++ b/src/libtomcrypt/src/pk/asn1/der_length_ia5_string.c
@@ -0,0 +1,194 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file der_length_ia5_string.c
+  ASN.1 DER, get length of IA5 STRING, Tom St Denis
+*/
+
+#ifdef LTC_DER
+
+static const struct {
+   int code, value;
+} ia5_table[] = {
+{ '\0', 0 },
+{ '\a', 7 }, 
+{ '\b', 8 }, 
+{ '\t', 9 }, 
+{ '\n', 10 }, 
+{ '\f', 12 }, 
+{ '\r', 13 }, 
+{ ' ', 32 }, 
+{ '!', 33 }, 
+{ '"', 34 }, 
+{ '#', 35 }, 
+{ '$', 36 }, 
+{ '%', 37 }, 
+{ '&', 38 }, 
+{ '\'', 39 }, 
+{ '(', 40 }, 
+{ ')', 41 }, 
+{ '*', 42 }, 
+{ '+', 43 }, 
+{ ',', 44 }, 
+{ '-', 45 }, 
+{ '.', 46 }, 
+{ '/', 47 }, 
+{ '0', 48 }, 
+{ '1', 49 }, 
+{ '2', 50 }, 
+{ '3', 51 }, 
+{ '4', 52 }, 
+{ '5', 53 }, 
+{ '6', 54 }, 
+{ '7', 55 }, 
+{ '8', 56 }, 
+{ '9', 57 }, 
+{ ':', 58 }, 
+{ ';', 59 }, 
+{ '<', 60 }, 
+{ '=', 61 }, 
+{ '>', 62 }, 
+{ '?', 63 }, 
+{ '@', 64 }, 
+{ 'A', 65 }, 
+{ 'B', 66 }, 
+{ 'C', 67 }, 
+{ 'D', 68 }, 
+{ 'E', 69 }, 
+{ 'F', 70 }, 
+{ 'G', 71 }, 
+{ 'H', 72 }, 
+{ 'I', 73 }, 
+{ 'J', 74 }, 
+{ 'K', 75 }, 
+{ 'L', 76 }, 
+{ 'M', 77 }, 
+{ 'N', 78 }, 
+{ 'O', 79 }, 
+{ 'P', 80 }, 
+{ 'Q', 81 }, 
+{ 'R', 82 }, 
+{ 'S', 83 }, 
+{ 'T', 84 }, 
+{ 'U', 85 }, 
+{ 'V', 86 }, 
+{ 'W', 87 }, 
+{ 'X', 88 }, 
+{ 'Y', 89 }, 
+{ 'Z', 90 }, 
+{ '[', 91 }, 
+{ '\\', 92 }, 
+{ ']', 93 }, 
+{ '^', 94 }, 
+{ '_', 95 }, 
+{ '`', 96 }, 
+{ 'a', 97 }, 
+{ 'b', 98 }, 
+{ 'c', 99 }, 
+{ 'd', 100 }, 
+{ 'e', 101 }, 
+{ 'f', 102 }, 
+{ 'g', 103 }, 
+{ 'h', 104 }, 
+{ 'i', 105 }, 
+{ 'j', 106 }, 
+{ 'k', 107 }, 
+{ 'l', 108 }, 
+{ 'm', 109 }, 
+{ 'n', 110 }, 
+{ 'o', 111 }, 
+{ 'p', 112 }, 
+{ 'q', 113 }, 
+{ 'r', 114 }, 
+{ 's', 115 }, 
+{ 't', 116 }, 
+{ 'u', 117 }, 
+{ 'v', 118 }, 
+{ 'w', 119 }, 
+{ 'x', 120 }, 
+{ 'y', 121 }, 
+{ 'z', 122 }, 
+{ '{', 123 }, 
+{ '|', 124 }, 
+{ '}', 125 }, 
+{ '~', 126 }
+};
+
+int der_ia5_char_encode(int c)
+{
+   int x;
+   for (x = 0; x < (int)(sizeof(ia5_table)/sizeof(ia5_table[0])); x++) {
+       if (ia5_table[x].code == c) {
+          return ia5_table[x].value;
+       }
+   }
+   return -1;
+}
+
+int der_ia5_value_decode(int v)
+{
+   int x;
+   for (x = 0; x < (int)(sizeof(ia5_table)/sizeof(ia5_table[0])); x++) {
+       if (ia5_table[x].value == v) {
+          return ia5_table[x].code;
+       }
+   }
+   return -1;
+}
+   
+/**
+  Gets length of DER encoding of IA5 STRING 
+  @param octets   The values you want to encode 
+  @param noctets  The number of octets in the string to encode
+  @param outlen   [out] The length of the DER encoding for the given string
+  @return CRYPT_OK if successful
+*/
+int der_length_ia5_string(const unsigned char *octets, unsigned long noctets, unsigned long *outlen)
+{
+   unsigned long x;
+
+   LTC_ARGCHK(outlen != NULL);
+   LTC_ARGCHK(octets != NULL);
+
+   /* scan string for validity */
+   for (x = 0; x < noctets; x++) {
+       if (der_ia5_char_encode(octets[x]) == -1) {
+          return CRYPT_INVALID_ARG;
+       }
+   }
+
+   if (noctets < 128) {
+      /* 16 LL DD DD DD ... */
+      *outlen = 2 + noctets;
+   } else if (noctets < 256) {
+      /* 16 81 LL DD DD DD ... */
+      *outlen = 3 + noctets;
+   } else if (noctets < 65536UL) {
+      /* 16 82 LL LL DD DD DD ... */
+      *outlen = 4 + noctets;
+   } else if (noctets < 16777216UL) {
+      /* 16 83 LL LL LL DD DD DD ... */
+      *outlen = 5 + noctets;
+   } else {
+      return CRYPT_INVALID_ARG;
+   }
+
+   return CRYPT_OK;
+}
+
+#endif
+
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/ia5/der_length_ia5_string.c,v $ */
+/* $Revision: 1.3 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/pk/asn1/der_length_integer.c b/src/libtomcrypt/src/pk/asn1/der_length_integer.c
new file mode 100644
index 0000000..540d205
--- /dev/null
+++ b/src/libtomcrypt/src/pk/asn1/der_length_integer.c
@@ -0,0 +1,82 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file der_length_integer.c
+  ASN.1 DER, get length of encoding, Tom St Denis
+*/
+
+
+#ifdef LTC_DER
+/**
+  Gets length of DER encoding of num 
+  @param num    The int to get the size of 
+  @param outlen [out] The length of the DER encoding for the given integer
+  @return CRYPT_OK if successful
+*/
+int der_length_integer(void *num, unsigned long *outlen)
+{
+   unsigned long z, len;
+   int           leading_zero;
+
+   LTC_ARGCHK(num     != NULL);
+   LTC_ARGCHK(outlen  != NULL);
+
+   if (mp_cmp_d(num, 0) != LTC_MP_LT) {
+      /* positive */
+
+      /* we only need a leading zero if the msb of the first byte is one */
+      if ((mp_count_bits(num) & 7) == 0 || mp_iszero(num) == LTC_MP_YES) {
+         leading_zero = 1;
+      } else {
+         leading_zero = 0;
+      }
+
+      /* size for bignum */
+      z = len = leading_zero + mp_unsigned_bin_size(num);
+   } else {
+      /* it's negative */
+      /* find power of 2 that is a multiple of eight and greater than count bits */
+      leading_zero = 0;
+      z = mp_count_bits(num);
+      z = z + (8 - (z & 7));
+      if (((mp_cnt_lsb(num)+1)==mp_count_bits(num)) && ((mp_count_bits(num)&7)==0)) --z;
+      len = z = z >> 3;
+   }
+
+   /* now we need a length */
+   if (z < 128) {
+      /* short form */
+      ++len;
+   } else {
+      /* long form (relies on z != 0), assumes length bytes < 128 */
+      ++len;
+
+      while (z) {
+         ++len;
+         z >>= 8;
+      }
+   }
+
+   /* we need a 0x02 to indicate it's INTEGER */
+   ++len;
+
+   /* return length */
+   *outlen = len; 
+   return CRYPT_OK;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/integer/der_length_integer.c,v $ */
+/* $Revision: 1.5 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/pk/asn1/der_length_object_identifier.c b/src/libtomcrypt/src/pk/asn1/der_length_object_identifier.c
new file mode 100644
index 0000000..94c326f
--- /dev/null
+++ b/src/libtomcrypt/src/pk/asn1/der_length_object_identifier.c
@@ -0,0 +1,89 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file der_length_object_identifier.c
+  ASN.1 DER, get length of Object Identifier, Tom St Denis
+*/
+
+#ifdef LTC_DER
+
+unsigned long der_object_identifier_bits(unsigned long x)
+{
+   unsigned long c;
+   x &= 0xFFFFFFFF;
+   c  = 0;
+   while (x) {
+     ++c;
+     x >>= 1;
+   }
+   return c;
+}
+
+
+/**
+  Gets length of DER encoding of Object Identifier
+  @param nwords   The number of OID words 
+  @param words    The actual OID words to get the size of
+  @param outlen   [out] The length of the DER encoding for the given string
+  @return CRYPT_OK if successful
+*/
+int der_length_object_identifier(unsigned long *words, unsigned long nwords, unsigned long *outlen)
+{
+   unsigned long y, z, t, wordbuf;   
+
+   LTC_ARGCHK(words  != NULL);
+   LTC_ARGCHK(outlen != NULL);
+
+
+   /* must be >= 2 words */
+   if (nwords < 2) {
+      return CRYPT_INVALID_ARG;
+   }
+
+   /* word1 = 0,1,2,3 and word2 0..39 */
+   if (words[0] > 3 || (words[0] < 2 && words[1] > 39)) {
+      return CRYPT_INVALID_ARG;
+   }
+
+   /* leading word is the first two */
+   z = 0;
+   wordbuf = words[0] * 40 + words[1];
+   for (y = 1; y < nwords; y++) {
+       t = der_object_identifier_bits(wordbuf);
+       z += t/7 + ((t%7) ? 1 : 0) + (wordbuf == 0 ? 1 : 0);
+       if (y < nwords - 1) {
+          /* grab next word */
+          wordbuf = words[y+1];
+       }
+   }
+
+   /* now depending on the length our length encoding changes */
+   if (z < 128) {
+      z += 2;
+   } else if (z < 256) {
+      z += 3;
+   } else if (z < 65536UL) {
+      z += 4;
+   } else {
+      return CRYPT_INVALID_ARG;
+   }
+
+   *outlen = z;
+   return CRYPT_OK;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/object_identifier/der_length_object_identifier.c,v $ */
+/* $Revision: 1.5 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/pk/asn1/der_length_octet_string.c b/src/libtomcrypt/src/pk/asn1/der_length_octet_string.c
new file mode 100644
index 0000000..acd4053
--- /dev/null
+++ b/src/libtomcrypt/src/pk/asn1/der_length_octet_string.c
@@ -0,0 +1,53 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file der_length_octet_string.c
+  ASN.1 DER, get length of OCTET STRING, Tom St Denis
+*/
+
+#ifdef LTC_DER
+/**
+  Gets length of DER encoding of OCTET STRING 
+  @param noctets  The number of octets in the string to encode
+  @param outlen   [out] The length of the DER encoding for the given string
+  @return CRYPT_OK if successful
+*/
+int der_length_octet_string(unsigned long noctets, unsigned long *outlen)
+{
+   LTC_ARGCHK(outlen != NULL);
+
+   if (noctets < 128) {
+      /* 04 LL DD DD DD ... */
+      *outlen = 2 + noctets;
+   } else if (noctets < 256) {
+      /* 04 81 LL DD DD DD ... */
+      *outlen = 3 + noctets;
+   } else if (noctets < 65536UL) {
+      /* 04 82 LL LL DD DD DD ... */
+      *outlen = 4 + noctets;
+   } else if (noctets < 16777216UL) {
+      /* 04 83 LL LL LL DD DD DD ... */
+      *outlen = 5 + noctets;
+   } else {
+      return CRYPT_INVALID_ARG;
+   }
+
+   return CRYPT_OK;
+}
+
+#endif
+
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/octet/der_length_octet_string.c,v $ */
+/* $Revision: 1.3 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/pk/asn1/der_length_printable_string.c b/src/libtomcrypt/src/pk/asn1/der_length_printable_string.c
new file mode 100644
index 0000000..ef1ed0e
--- /dev/null
+++ b/src/libtomcrypt/src/pk/asn1/der_length_printable_string.c
@@ -0,0 +1,166 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file der_length_printable_string.c
+  ASN.1 DER, get length of Printable STRING, Tom St Denis
+*/
+
+#ifdef LTC_DER
+
+static const struct {
+   int code, value;
+} printable_table[] = {
+{ ' ', 32 }, 
+{ '\'', 39 }, 
+{ '(', 40 }, 
+{ ')', 41 }, 
+{ '+', 43 }, 
+{ ',', 44 }, 
+{ '-', 45 }, 
+{ '.', 46 }, 
+{ '/', 47 }, 
+{ '0', 48 }, 
+{ '1', 49 }, 
+{ '2', 50 }, 
+{ '3', 51 }, 
+{ '4', 52 }, 
+{ '5', 53 }, 
+{ '6', 54 }, 
+{ '7', 55 }, 
+{ '8', 56 }, 
+{ '9', 57 }, 
+{ ':', 58 }, 
+{ '=', 61 }, 
+{ '?', 63 }, 
+{ 'A', 65 }, 
+{ 'B', 66 }, 
+{ 'C', 67 }, 
+{ 'D', 68 }, 
+{ 'E', 69 }, 
+{ 'F', 70 }, 
+{ 'G', 71 }, 
+{ 'H', 72 }, 
+{ 'I', 73 }, 
+{ 'J', 74 }, 
+{ 'K', 75 }, 
+{ 'L', 76 }, 
+{ 'M', 77 }, 
+{ 'N', 78 }, 
+{ 'O', 79 }, 
+{ 'P', 80 }, 
+{ 'Q', 81 }, 
+{ 'R', 82 }, 
+{ 'S', 83 }, 
+{ 'T', 84 }, 
+{ 'U', 85 }, 
+{ 'V', 86 }, 
+{ 'W', 87 }, 
+{ 'X', 88 }, 
+{ 'Y', 89 }, 
+{ 'Z', 90 }, 
+{ 'a', 97 }, 
+{ 'b', 98 }, 
+{ 'c', 99 }, 
+{ 'd', 100 }, 
+{ 'e', 101 }, 
+{ 'f', 102 }, 
+{ 'g', 103 }, 
+{ 'h', 104 }, 
+{ 'i', 105 }, 
+{ 'j', 106 }, 
+{ 'k', 107 }, 
+{ 'l', 108 }, 
+{ 'm', 109 }, 
+{ 'n', 110 }, 
+{ 'o', 111 }, 
+{ 'p', 112 }, 
+{ 'q', 113 }, 
+{ 'r', 114 }, 
+{ 's', 115 }, 
+{ 't', 116 }, 
+{ 'u', 117 }, 
+{ 'v', 118 }, 
+{ 'w', 119 }, 
+{ 'x', 120 }, 
+{ 'y', 121 }, 
+{ 'z', 122 }, 
+};
+
+int der_printable_char_encode(int c)
+{
+   int x;
+   for (x = 0; x < (int)(sizeof(printable_table)/sizeof(printable_table[0])); x++) {
+       if (printable_table[x].code == c) {
+          return printable_table[x].value;
+       }
+   }
+   return -1;
+}
+
+int der_printable_value_decode(int v)
+{
+   int x;
+   for (x = 0; x < (int)(sizeof(printable_table)/sizeof(printable_table[0])); x++) {
+       if (printable_table[x].value == v) {
+          return printable_table[x].code;
+       }
+   }
+   return -1;
+}
+   
+/**
+  Gets length of DER encoding of Printable STRING 
+  @param octets   The values you want to encode 
+  @param noctets  The number of octets in the string to encode
+  @param outlen   [out] The length of the DER encoding for the given string
+  @return CRYPT_OK if successful
+*/
+int der_length_printable_string(const unsigned char *octets, unsigned long noctets, unsigned long *outlen)
+{
+   unsigned long x;
+
+   LTC_ARGCHK(outlen != NULL);
+   LTC_ARGCHK(octets != NULL);
+
+   /* scan string for validity */
+   for (x = 0; x < noctets; x++) {
+       if (der_printable_char_encode(octets[x]) == -1) {
+          return CRYPT_INVALID_ARG;
+       }
+   }
+
+   if (noctets < 128) {
+      /* 16 LL DD DD DD ... */
+      *outlen = 2 + noctets;
+   } else if (noctets < 256) {
+      /* 16 81 LL DD DD DD ... */
+      *outlen = 3 + noctets;
+   } else if (noctets < 65536UL) {
+      /* 16 82 LL LL DD DD DD ... */
+      *outlen = 4 + noctets;
+   } else if (noctets < 16777216UL) {
+      /* 16 83 LL LL LL DD DD DD ... */
+      *outlen = 5 + noctets;
+   } else {
+      return CRYPT_INVALID_ARG;
+   }
+
+   return CRYPT_OK;
+}
+
+#endif
+
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/printable_string/der_length_printable_string.c,v $ */
+/* $Revision: 1.3 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/pk/asn1/der_length_sequence.c b/src/libtomcrypt/src/pk/asn1/der_length_sequence.c
new file mode 100644
index 0000000..e75ed7e
--- /dev/null
+++ b/src/libtomcrypt/src/pk/asn1/der_length_sequence.c
@@ -0,0 +1,169 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file der_length_sequence.c
+  ASN.1 DER, length a SEQUENCE, Tom St Denis
+*/
+
+#ifdef LTC_DER
+
+/**
+   Get the length of a DER sequence 
+   @param list   The sequences of items in the SEQUENCE
+   @param inlen  The number of items
+   @param outlen [out] The length required in octets to store it 
+   @return CRYPT_OK on success
+*/
+int der_length_sequence(ltc_asn1_list *list, unsigned long inlen,
+                        unsigned long *outlen) 
+{
+   int           err, type;
+   unsigned long size, x, y, z, i;
+   void          *data;
+
+   LTC_ARGCHK(list    != NULL);
+   LTC_ARGCHK(outlen  != NULL);
+
+   /* get size of output that will be required */
+   y = 0;
+   for (i = 0; i < inlen; i++) {
+       type = list[i].type;
+       size = list[i].size;
+       data = list[i].data;
+
+       if (type == LTC_ASN1_EOL) { 
+          break;
+       }
+
+       switch (type) {
+           case LTC_ASN1_BOOLEAN:
+              if ((err = der_length_boolean(&x)) != CRYPT_OK) {
+                 goto LBL_ERR;
+              }
+              y += x;
+              break;
+          
+           case LTC_ASN1_INTEGER:
+               if ((err = der_length_integer(data, &x)) != CRYPT_OK) {
+                  goto LBL_ERR;
+               }
+               y += x;
+               break;
+
+           case LTC_ASN1_SHORT_INTEGER:
+               if ((err = der_length_short_integer(*((unsigned long *)data), &x)) != CRYPT_OK) {
+                  goto LBL_ERR;
+               }
+               y += x;
+               break;
+
+           case LTC_ASN1_BIT_STRING:
+               if ((err = der_length_bit_string(size, &x)) != CRYPT_OK) {
+                  goto LBL_ERR;
+               }
+               y += x;
+               break;
+
+           case LTC_ASN1_OCTET_STRING:
+               if ((err = der_length_octet_string(size, &x)) != CRYPT_OK) {
+                  goto LBL_ERR;
+               }
+               y += x;
+               break;
+
+           case LTC_ASN1_NULL:
+               y += 2;
+               break;
+
+           case LTC_ASN1_OBJECT_IDENTIFIER:
+               if ((err = der_length_object_identifier(data, size, &x)) != CRYPT_OK) {
+                  goto LBL_ERR;
+               }
+               y += x;
+               break;
+
+           case LTC_ASN1_IA5_STRING:
+               if ((err = der_length_ia5_string(data, size, &x)) != CRYPT_OK) {
+                  goto LBL_ERR;
+               }
+               y += x;
+               break;
+
+           case LTC_ASN1_PRINTABLE_STRING:
+               if ((err = der_length_printable_string(data, size, &x)) != CRYPT_OK) {
+                  goto LBL_ERR;
+               }
+               y += x;
+               break;
+
+           case LTC_ASN1_UTCTIME:
+               if ((err = der_length_utctime(data, &x)) != CRYPT_OK) {
+                  goto LBL_ERR;
+               }
+               y += x;
+               break;
+
+           case LTC_ASN1_UTF8_STRING:
+               if ((err = der_length_utf8_string(data, size, &x)) != CRYPT_OK) {
+                  goto LBL_ERR;
+               }
+               y += x;
+               break;
+
+           case LTC_ASN1_SET:
+           case LTC_ASN1_SETOF:
+           case LTC_ASN1_SEQUENCE:
+               if ((err = der_length_sequence(data, size, &x)) != CRYPT_OK) {
+                  goto LBL_ERR;
+               }
+               y += x;
+               break;
+
+          
+           default:
+               err = CRYPT_INVALID_ARG;
+               goto LBL_ERR;
+       }
+   }
+
+   /* calc header size */
+   z = y;
+   if (y < 128) {
+      y += 2;
+   } else if (y < 256) {
+      /* 0x30 0x81 LL */
+      y += 3;
+   } else if (y < 65536UL) {
+      /* 0x30 0x82 LL LL */
+      y += 4;
+   } else if (y < 16777216UL) {
+      /* 0x30 0x83 LL LL LL */
+      y += 5;
+   } else {
+      err = CRYPT_INVALID_ARG;
+      goto LBL_ERR;
+   }
+
+   /* store size */
+   *outlen = y;
+   err     = CRYPT_OK;
+
+LBL_ERR:
+   return err;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/sequence/der_length_sequence.c,v $ */
+/* $Revision: 1.14 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/pk/asn1/der_length_short_integer.c b/src/libtomcrypt/src/pk/asn1/der_length_short_integer.c
new file mode 100644
index 0000000..afa6dd0
--- /dev/null
+++ b/src/libtomcrypt/src/pk/asn1/der_length_short_integer.c
@@ -0,0 +1,70 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file der_length_short_integer.c
+  ASN.1 DER, get length of encoding, Tom St Denis
+*/
+
+
+#ifdef LTC_DER
+/**
+  Gets length of DER encoding of num 
+  @param num    The integer to get the size of 
+  @param outlen [out] The length of the DER encoding for the given integer
+  @return CRYPT_OK if successful
+*/
+int der_length_short_integer(unsigned long num, unsigned long *outlen)
+{
+   unsigned long z, y, len;
+
+   LTC_ARGCHK(outlen  != NULL);
+
+   /* force to 32 bits */
+   num &= 0xFFFFFFFFUL;
+
+   /* get the number of bytes */
+   z = 0;
+   y = num;
+   while (y) {
+     ++z;
+     y >>= 8;
+   }
+   
+   /* handle zero */
+   if (z == 0) {
+      z = 1;
+   }
+
+   /* we need a 0x02 to indicate it's INTEGER */
+   len = 1;
+
+   /* length byte */
+   ++len;
+
+   /* bytes in value */
+   len += z;
+
+   /* see if msb is set */
+   len += (num&(1UL<<((z<<3) - 1))) ? 1 : 0;
+
+   /* return length */
+   *outlen = len; 
+   
+   return CRYPT_OK;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/short_integer/der_length_short_integer.c,v $ */
+/* $Revision: 1.6 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/pk/asn1/der_length_utctime.c b/src/libtomcrypt/src/pk/asn1/der_length_utctime.c
new file mode 100644
index 0000000..1296bab
--- /dev/null
+++ b/src/libtomcrypt/src/pk/asn1/der_length_utctime.c
@@ -0,0 +1,46 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file der_length_utctime.c
+  ASN.1 DER, get length of UTCTIME, Tom St Denis
+*/
+
+#ifdef LTC_DER
+
+/**
+  Gets length of DER encoding of UTCTIME
+  @param utctime      The UTC time structure to get the size of
+  @param outlen [out] The length of the DER encoding
+  @return CRYPT_OK if successful
+*/
+int der_length_utctime(ltc_utctime *utctime, unsigned long *outlen)
+{
+   LTC_ARGCHK(outlen  != NULL);
+   LTC_ARGCHK(utctime != NULL);
+
+   if (utctime->off_hh == 0 && utctime->off_mm == 0) {
+      /* we encode as YYMMDDhhmmssZ */
+      *outlen = 2 + 13;
+   } else {
+      /* we encode as YYMMDDhhmmss{+|-}hh'mm' */
+      *outlen = 2 + 17;
+   }
+
+   return CRYPT_OK;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/utctime/der_length_utctime.c,v $ */
+/* $Revision: 1.5 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/pk/asn1/der_length_utf8_string.c b/src/libtomcrypt/src/pk/asn1/der_length_utf8_string.c
new file mode 100644
index 0000000..514db84
--- /dev/null
+++ b/src/libtomcrypt/src/pk/asn1/der_length_utf8_string.c
@@ -0,0 +1,83 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file der_length_utf8_string.c
+  ASN.1 DER, get length of UTF8 STRING, Tom St Denis
+*/
+
+#ifdef LTC_DER
+
+/** Return the size in bytes of a UTF-8 character
+  @param c   The UTF-8 character to measure
+  @return    The size in bytes
+*/
+unsigned long der_utf8_charsize(const wchar_t c)
+{
+   if (c <= 0x7F) {
+      return 1;
+   } else if (c <= 0x7FF) {
+      return 2;
+   } else if (c <= 0xFFFF) {
+      return 3;
+   } else {
+      return 4;
+   }
+}
+
+/**
+  Gets length of DER encoding of UTF8 STRING 
+  @param in       The characters to measure the length of
+  @param noctets  The number of octets in the string to encode
+  @param outlen   [out] The length of the DER encoding for the given string
+  @return CRYPT_OK if successful
+*/
+int der_length_utf8_string(const wchar_t *in, unsigned long noctets, unsigned long *outlen)
+{
+   unsigned long x, len;
+
+   LTC_ARGCHK(in     != NULL);
+   LTC_ARGCHK(outlen != NULL);
+
+   len = 0;
+   for (x = 0; x < noctets; x++) {
+      if (in[x] < 0 || in[x] > 0x10FFFF) {
+         return CRYPT_INVALID_ARG;
+      }
+      len += der_utf8_charsize(in[x]);
+   }
+
+   if (len < 128) {
+      /* 0C LL DD DD DD ... */
+      *outlen = 2 + len;
+   } else if (len < 256) {
+      /* 0C 81 LL DD DD DD ... */
+      *outlen = 3 + len;
+   } else if (len < 65536UL) {
+      /* 0C 82 LL LL DD DD DD ... */
+      *outlen = 4 + len;
+   } else if (len < 16777216UL) {
+      /* 0C 83 LL LL LL DD DD DD ... */
+      *outlen = 5 + len;
+   } else {
+      return CRYPT_INVALID_ARG;
+   }
+
+   return CRYPT_OK;
+}
+
+#endif
+
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/utf8/der_length_utf8_string.c,v $ */
+/* $Revision: 1.6 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/pk/asn1/der_sequence_free.c b/src/libtomcrypt/src/pk/asn1/der_sequence_free.c
new file mode 100644
index 0000000..4887215
--- /dev/null
+++ b/src/libtomcrypt/src/pk/asn1/der_sequence_free.c
@@ -0,0 +1,65 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file der_sequence_free.c
+  ASN.1 DER, free's a structure allocated by der_decode_sequence_flexi(), Tom St Denis
+*/
+
+#ifdef LTC_DER
+
+/**
+  Free memory allocated by der_decode_sequence_flexi()
+  @param in     The list to free
+*/  
+void der_sequence_free(ltc_asn1_list *in)
+{
+   ltc_asn1_list *l;
+   
+   /* walk to the start of the chain */
+   while (in->prev != NULL || in->parent != NULL) {
+      if (in->parent != NULL) {
+          in = in->parent;
+      } else {
+          in = in->prev;
+      }
+   }
+   
+   /* now walk the list and free stuff */
+   while (in != NULL) {
+      /* is there a child? */
+      if (in->child) {
+         /* disconnect */
+         in->child->parent = NULL;
+         der_sequence_free(in->child);
+      }
+      
+      switch (in->type) { 
+         case LTC_ASN1_SET:
+         case LTC_ASN1_SETOF:
+         case LTC_ASN1_SEQUENCE: break;
+         case LTC_ASN1_INTEGER : if (in->data != NULL) { mp_clear(in->data); } break;
+         default               : if (in->data != NULL) { XFREE(in->data);    }
+      }
+      
+      /* move to next and free current */
+      l = in->next;
+      free(in);
+      in = l;
+   }     
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/asn1/der/sequence/der_sequence_free.c,v $ */
+/* $Revision: 1.4 $ */
+/* $Date: 2006/12/28 01:27:24 $ */
diff --git a/src/libtomcrypt/src/pk/ecc/ltc_ecc_map.c b/src/libtomcrypt/src/pk/ecc/ltc_ecc_map.c
new file mode 100644
index 0000000..5a1324c
--- /dev/null
+++ b/src/libtomcrypt/src/pk/ecc/ltc_ecc_map.c
@@ -0,0 +1,76 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+
+/* Implements ECC over Z/pZ for curve y^2 = x^3 - 3x + b
+ *
+ * All curves taken from NIST recommendation paper of July 1999
+ * Available at http://csrc.nist.gov/cryptval/dss.htm
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file ltc_ecc_map.c
+  ECC Crypto, Tom St Denis
+*/  
+
+#ifdef LTC_MECC
+
+/**
+  Map a projective jacbobian point back to affine space
+  @param P        [in/out] The point to map
+  @param modulus  The modulus of the field the ECC curve is in
+  @param mp       The "b" value from montgomery_setup()
+  @return CRYPT_OK on success
+*/
+int ltc_ecc_map(ecc_point *P, void *modulus, void *mp)
+{
+   void *t1, *t2;
+   int   err;
+
+   LTC_ARGCHK(P       != NULL);
+   LTC_ARGCHK(modulus != NULL);
+   LTC_ARGCHK(mp      != NULL);
+
+   if ((err = mp_init_multi(&t1, &t2, NULL)) != CRYPT_OK) {
+      return CRYPT_MEM;
+   }
+
+   /* first map z back to normal */
+   if ((err = mp_montgomery_reduce(P->z, modulus, mp)) != CRYPT_OK)           { goto done; }
+
+   /* get 1/z */
+   if ((err = mp_invmod(P->z, modulus, t1)) != CRYPT_OK)                      { goto done; }
+ 
+   /* get 1/z^2 and 1/z^3 */
+   if ((err = mp_sqr(t1, t2)) != CRYPT_OK)                                    { goto done; }
+   if ((err = mp_mod(t2, modulus, t2)) != CRYPT_OK)                           { goto done; }
+   if ((err = mp_mul(t1, t2, t1)) != CRYPT_OK)                                { goto done; }
+   if ((err = mp_mod(t1, modulus, t1)) != CRYPT_OK)                           { goto done; }
+
+   /* multiply against x/y */
+   if ((err = mp_mul(P->x, t2, P->x)) != CRYPT_OK)                            { goto done; }
+   if ((err = mp_montgomery_reduce(P->x, modulus, mp)) != CRYPT_OK)           { goto done; }
+   if ((err = mp_mul(P->y, t1, P->y)) != CRYPT_OK)                            { goto done; }
+   if ((err = mp_montgomery_reduce(P->y, modulus, mp)) != CRYPT_OK)           { goto done; }
+   if ((err = mp_set(P->z, 1)) != CRYPT_OK)                                   { goto done; }
+
+   err = CRYPT_OK;
+done:
+   mp_clear_multi(t1, t2, NULL);
+   return err;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/ecc/ltc_ecc_map.c,v $ */
+/* $Revision: 1.7 $ */
+/* $Date: 2007/05/12 14:32:35 $ */
+
diff --git a/src/libtomcrypt/src/pk/ecc/ltc_ecc_mul2add.c b/src/libtomcrypt/src/pk/ecc/ltc_ecc_mul2add.c
new file mode 100644
index 0000000..2c468ea
--- /dev/null
+++ b/src/libtomcrypt/src/pk/ecc/ltc_ecc_mul2add.c
@@ -0,0 +1,207 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+
+/* Implements ECC over Z/pZ for curve y^2 = x^3 - 3x + b
+ *
+ * All curves taken from NIST recommendation paper of July 1999
+ * Available at http://csrc.nist.gov/cryptval/dss.htm
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file ltc_ecc_mul2add.c
+  ECC Crypto, Shamir's Trick, Tom St Denis
+*/  
+
+#ifdef LTC_MECC
+
+#ifdef LTC_ECC_SHAMIR
+
+/** Computes kA*A + kB*B = C using Shamir's Trick
+  @param A        First point to multiply
+  @param kA       What to multiple A by
+  @param B        Second point to multiply
+  @param kB       What to multiple B by
+  @param C        [out] Destination point (can overlap with A or B
+  @param modulus  Modulus for curve 
+  @return CRYPT_OK on success
+*/ 
+int ltc_ecc_mul2add(ecc_point *A, void *kA,
+                    ecc_point *B, void *kB,
+                    ecc_point *C,
+                         void *modulus)
+{
+  ecc_point     *precomp[16];
+  unsigned       bitbufA, bitbufB, lenA, lenB, len, x, y, nA, nB, nibble;
+  unsigned char *tA, *tB;
+  int            err, first;
+  void          *mp, *mu;
+ 
+  /* argchks */
+  LTC_ARGCHK(A       != NULL);
+  LTC_ARGCHK(B       != NULL);
+  LTC_ARGCHK(C       != NULL);
+  LTC_ARGCHK(kA      != NULL);
+  LTC_ARGCHK(kB      != NULL);
+  LTC_ARGCHK(modulus != NULL);
+
+  /* allocate memory */
+  tA = XCALLOC(1, ECC_BUF_SIZE);
+  if (tA == NULL) {
+     return CRYPT_MEM;
+  }
+  tB = XCALLOC(1, ECC_BUF_SIZE);
+  if (tB == NULL) {
+     XFREE(tA);
+     return CRYPT_MEM;
+  }
+
+  /* get sizes */
+  lenA = mp_unsigned_bin_size(kA);
+  lenB = mp_unsigned_bin_size(kB);
+  len  = MAX(lenA, lenB);
+
+  /* sanity check */
+  if ((lenA > ECC_BUF_SIZE) || (lenB > ECC_BUF_SIZE)) {
+     err = CRYPT_INVALID_ARG;
+     goto ERR_T;
+  }
+
+  /* extract and justify kA */
+  mp_to_unsigned_bin(kA, (len - lenA) + tA);
+
+  /* extract and justify kB */
+  mp_to_unsigned_bin(kB, (len - lenB) + tB);
+
+  /* allocate the table */
+  for (x = 0; x < 16; x++) {
+     precomp[x] = ltc_ecc_new_point();
+     if (precomp[x] == NULL) {
+         for (y = 0; y < x; ++y) {
+            ltc_ecc_del_point(precomp[y]);
+         }
+         err = CRYPT_MEM;
+         goto ERR_T;
+     }
+  }
+
+   /* init montgomery reduction */
+   if ((err = mp_montgomery_setup(modulus, &mp)) != CRYPT_OK) {
+      goto ERR_P;
+   }
+   if ((err = mp_init(&mu)) != CRYPT_OK) {
+      goto ERR_MP;
+   }
+   if ((err = mp_montgomery_normalization(mu, modulus)) != CRYPT_OK) {
+      goto ERR_MU;
+   }
+
+  /* copy ones ... */
+  if ((err = mp_mulmod(A->x, mu, modulus, precomp[1]->x)) != CRYPT_OK)                                         { goto ERR_MU; }
+  if ((err = mp_mulmod(A->y, mu, modulus, precomp[1]->y)) != CRYPT_OK)                                         { goto ERR_MU; }
+  if ((err = mp_mulmod(A->z, mu, modulus, precomp[1]->z)) != CRYPT_OK)                                         { goto ERR_MU; }
+
+  if ((err = mp_mulmod(B->x, mu, modulus, precomp[1<<2]->x)) != CRYPT_OK)                                      { goto ERR_MU; }
+  if ((err = mp_mulmod(B->y, mu, modulus, precomp[1<<2]->y)) != CRYPT_OK)                                      { goto ERR_MU; }
+  if ((err = mp_mulmod(B->z, mu, modulus, precomp[1<<2]->z)) != CRYPT_OK)                                      { goto ERR_MU; }
+
+  /* precomp [i,0](A + B) table */
+  if ((err = ltc_mp.ecc_ptdbl(precomp[1], precomp[2], modulus, mp)) != CRYPT_OK)                               { goto ERR_MU; }
+  if ((err = ltc_mp.ecc_ptadd(precomp[1], precomp[2], precomp[3], modulus, mp)) != CRYPT_OK)                   { goto ERR_MU; }
+
+  /* precomp [0,i](A + B) table */
+  if ((err = ltc_mp.ecc_ptdbl(precomp[1<<2], precomp[2<<2], modulus, mp)) != CRYPT_OK)                         { goto ERR_MU; }
+  if ((err = ltc_mp.ecc_ptadd(precomp[1<<2], precomp[2<<2], precomp[3<<2], modulus, mp)) != CRYPT_OK)          { goto ERR_MU; }
+
+  /* precomp [i,j](A + B) table (i != 0, j != 0) */
+  for (x = 1; x < 4; x++) {
+     for (y = 1; y < 4; y++) {
+        if ((err = ltc_mp.ecc_ptadd(precomp[x], precomp[(y<<2)], precomp[x+(y<<2)], modulus, mp)) != CRYPT_OK) { goto ERR_MU; }
+     }
+  }   
+
+  nibble  = 3;
+  first   = 1;
+  bitbufA = tA[0];
+  bitbufB = tB[0];
+
+  /* for every byte of the multiplicands */
+  for (x = -1;; ) {
+     /* grab a nibble */
+     if (++nibble == 4) {
+        ++x; if (x == len) break;
+        bitbufA = tA[x];
+        bitbufB = tB[x];
+        nibble  = 0;
+     }
+
+     /* extract two bits from both, shift/update */
+     nA = (bitbufA >> 6) & 0x03;
+     nB = (bitbufB >> 6) & 0x03;
+     bitbufA = (bitbufA << 2) & 0xFF;   
+     bitbufB = (bitbufB << 2) & 0xFF;   
+
+     /* if both zero, if first, continue */
+     if ((nA == 0) && (nB == 0) && (first == 1)) {
+        continue;
+     }
+
+     /* double twice, only if this isn't the first */
+     if (first == 0) {
+        /* double twice */
+        if ((err = ltc_mp.ecc_ptdbl(C, C, modulus, mp)) != CRYPT_OK)                  { goto ERR_MU; }
+        if ((err = ltc_mp.ecc_ptdbl(C, C, modulus, mp)) != CRYPT_OK)                  { goto ERR_MU; }
+     }
+
+     /* if not both zero */
+     if ((nA != 0) || (nB != 0)) {
+        if (first == 1) {
+           /* if first, copy from table */
+           first = 0;
+           if ((err = mp_copy(precomp[nA + (nB<<2)]->x, C->x)) != CRYPT_OK)           { goto ERR_MU; }
+           if ((err = mp_copy(precomp[nA + (nB<<2)]->y, C->y)) != CRYPT_OK)           { goto ERR_MU; }
+           if ((err = mp_copy(precomp[nA + (nB<<2)]->z, C->z)) != CRYPT_OK)           { goto ERR_MU; }
+        } else {
+           /* if not first, add from table */
+           if ((err = ltc_mp.ecc_ptadd(C, precomp[nA + (nB<<2)], C, modulus, mp)) != CRYPT_OK) { goto ERR_MU; }
+        }
+     }
+  }
+
+  /* reduce to affine */
+  err = ltc_ecc_map(C, modulus, mp);
+
+  /* clean up */
+ERR_MU:
+   mp_clear(mu);
+ERR_MP:
+   mp_montgomery_free(mp);
+ERR_P:
+   for (x = 0; x < 16; x++) {
+       ltc_ecc_del_point(precomp[x]);
+   }
+ERR_T:
+#ifdef LTC_CLEAN_STACK
+   zeromem(tA, ECC_BUF_SIZE);
+   zeromem(tB, ECC_BUF_SIZE);
+#endif
+   XFREE(tA);
+   XFREE(tB);
+
+   return err;
+}
+
+#endif
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/ecc/ltc_ecc_mul2add.c,v $ */
+/* $Revision: 1.8 $ */
+/* $Date: 2007/05/12 14:32:35 $ */
diff --git a/src/libtomcrypt/src/pk/ecc/ltc_ecc_mulmod.c b/src/libtomcrypt/src/pk/ecc/ltc_ecc_mulmod.c
new file mode 100644
index 0000000..f9d0cad
--- /dev/null
+++ b/src/libtomcrypt/src/pk/ecc/ltc_ecc_mulmod.c
@@ -0,0 +1,222 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+
+/* Implements ECC over Z/pZ for curve y^2 = x^3 - 3x + b
+ *
+ * All curves taken from NIST recommendation paper of July 1999
+ * Available at http://csrc.nist.gov/cryptval/dss.htm
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file ltc_ecc_mulmod.c
+  ECC Crypto, Tom St Denis
+*/  
+
+#ifdef LTC_MECC
+#ifndef LTC_ECC_TIMING_RESISTANT
+
+/* size of sliding window, don't change this! */
+#define WINSIZE 4
+
+/**
+   Perform a point multiplication 
+   @param k    The scalar to multiply by
+   @param G    The base point
+   @param R    [out] Destination for kG
+   @param modulus  The modulus of the field the ECC curve is in
+   @param map      Boolean whether to map back to affine or not (1==map, 0 == leave in projective)
+   @return CRYPT_OK on success
+*/
+int ltc_ecc_mulmod(void *k, ecc_point *G, ecc_point *R, void *modulus, int map)
+{
+   ecc_point *tG, *M[8];
+   int        i, j, err;
+   void       *mu, *mp;
+   unsigned long buf;
+   int        first, bitbuf, bitcpy, bitcnt, mode, digidx;
+
+   LTC_ARGCHK(k       != NULL);
+   LTC_ARGCHK(G       != NULL);
+   LTC_ARGCHK(R       != NULL);
+   LTC_ARGCHK(modulus != NULL);
+
+   /* init montgomery reduction */
+   if ((err = mp_montgomery_setup(modulus, &mp)) != CRYPT_OK) {
+      return err;
+   }
+   if ((err = mp_init(&mu)) != CRYPT_OK) {
+      mp_montgomery_free(mp);
+      return err;
+   }
+   if ((err = mp_montgomery_normalization(mu, modulus)) != CRYPT_OK) {
+      mp_montgomery_free(mp);
+      mp_clear(mu);
+      return err;
+   }
+  
+  /* alloc ram for window temps */
+  for (i = 0; i < 8; i++) {
+      M[i] = ltc_ecc_new_point();
+      if (M[i] == NULL) {
+         for (j = 0; j < i; j++) {
+             ltc_ecc_del_point(M[j]);
+         }
+         mp_montgomery_free(mp);
+         mp_clear(mu);
+         return CRYPT_MEM;
+      }
+  }
+
+   /* make a copy of G incase R==G */
+   tG = ltc_ecc_new_point();
+   if (tG == NULL)                                                                   { err = CRYPT_MEM; goto done; }
+
+   /* tG = G  and convert to montgomery */
+   if (mp_cmp_d(mu, 1) == LTC_MP_EQ) {
+      if ((err = mp_copy(G->x, tG->x)) != CRYPT_OK)                                  { goto done; }
+      if ((err = mp_copy(G->y, tG->y)) != CRYPT_OK)                                  { goto done; }
+      if ((err = mp_copy(G->z, tG->z)) != CRYPT_OK)                                  { goto done; }
+   } else {      
+      if ((err = mp_mulmod(G->x, mu, modulus, tG->x)) != CRYPT_OK)                   { goto done; }
+      if ((err = mp_mulmod(G->y, mu, modulus, tG->y)) != CRYPT_OK)                   { goto done; }
+      if ((err = mp_mulmod(G->z, mu, modulus, tG->z)) != CRYPT_OK)                   { goto done; }
+   }
+   mp_clear(mu);
+   mu = NULL;
+   
+   /* calc the M tab, which holds kG for k==8..15 */
+   /* M[0] == 8G */
+   if ((err = ltc_mp.ecc_ptdbl(tG, M[0], modulus, mp)) != CRYPT_OK)                 { goto done; }
+   if ((err = ltc_mp.ecc_ptdbl(M[0], M[0], modulus, mp)) != CRYPT_OK)               { goto done; }
+   if ((err = ltc_mp.ecc_ptdbl(M[0], M[0], modulus, mp)) != CRYPT_OK)               { goto done; }
+
+   /* now find (8+k)G for k=1..7 */
+   for (j = 9; j < 16; j++) {
+       if ((err = ltc_mp.ecc_ptadd(M[j-9], tG, M[j-8], modulus, mp)) != CRYPT_OK)   { goto done; }
+   }
+
+   /* setup sliding window */
+   mode   = 0;
+   bitcnt = 1;
+   buf    = 0;
+   digidx = mp_get_digit_count(k) - 1;
+   bitcpy = bitbuf = 0;
+   first  = 1;
+
+   /* perform ops */
+   for (;;) {
+     /* grab next digit as required */
+     if (--bitcnt == 0) {
+       if (digidx == -1) {
+          break;
+       }
+       buf    = mp_get_digit(k, digidx);
+       bitcnt = (int) ltc_mp.bits_per_digit;
+       --digidx;
+     }
+
+     /* grab the next msb from the ltiplicand */
+     i = (buf >> (ltc_mp.bits_per_digit - 1)) & 1;
+     buf <<= 1;
+
+     /* skip leading zero bits */
+     if (mode == 0 && i == 0) {
+        continue;
+     }
+
+     /* if the bit is zero and mode == 1 then we double */
+     if (mode == 1 && i == 0) {
+        if ((err = ltc_mp.ecc_ptdbl(R, R, modulus, mp)) != CRYPT_OK)                 { goto done; }
+        continue;
+     }
+
+     /* else we add it to the window */
+     bitbuf |= (i << (WINSIZE - ++bitcpy));
+     mode = 2;
+
+     if (bitcpy == WINSIZE) {
+       /* if this is the first window we do a simple copy */
+       if (first == 1) {
+          /* R = kG [k = first window] */
+          if ((err = mp_copy(M[bitbuf-8]->x, R->x)) != CRYPT_OK)                     { goto done; }
+          if ((err = mp_copy(M[bitbuf-8]->y, R->y)) != CRYPT_OK)                     { goto done; }
+          if ((err = mp_copy(M[bitbuf-8]->z, R->z)) != CRYPT_OK)                     { goto done; }
+          first = 0;
+       } else {
+         /* normal window */
+         /* ok window is filled so double as required and add  */
+         /* double first */
+         for (j = 0; j < WINSIZE; j++) {
+           if ((err = ltc_mp.ecc_ptdbl(R, R, modulus, mp)) != CRYPT_OK)              { goto done; }
+         }
+
+         /* then add, bitbuf will be 8..15 [8..2^WINSIZE] guaranteed */
+         if ((err = ltc_mp.ecc_ptadd(R, M[bitbuf-8], R, modulus, mp)) != CRYPT_OK)   { goto done; }
+       }
+       /* empty window and reset */
+       bitcpy = bitbuf = 0;
+       mode = 1;
+    }
+  }
+
+   /* if bits remain then double/add */
+   if (mode == 2 && bitcpy > 0) {
+     /* double then add */
+     for (j = 0; j < bitcpy; j++) {
+       /* only double if we have had at least one add first */
+       if (first == 0) {
+          if ((err = ltc_mp.ecc_ptdbl(R, R, modulus, mp)) != CRYPT_OK)              { goto done; }
+       }
+
+       bitbuf <<= 1;
+       if ((bitbuf & (1 << WINSIZE)) != 0) {
+         if (first == 1){
+            /* first add, so copy */
+            if ((err = mp_copy(tG->x, R->x)) != CRYPT_OK)                           { goto done; }
+            if ((err = mp_copy(tG->y, R->y)) != CRYPT_OK)                           { goto done; }
+            if ((err = mp_copy(tG->z, R->z)) != CRYPT_OK)                           { goto done; }
+            first = 0;
+         } else {
+            /* then add */
+            if ((err = ltc_mp.ecc_ptadd(R, tG, R, modulus, mp)) != CRYPT_OK)        { goto done; }
+         }
+       }
+     }
+   }
+
+   /* map R back from projective space */
+   if (map) {
+      err = ltc_ecc_map(R, modulus, mp);
+   } else {
+      err = CRYPT_OK;
+   }
+done:
+   if (mu != NULL) {
+      mp_clear(mu);
+   }
+   mp_montgomery_free(mp);
+   ltc_ecc_del_point(tG);
+   for (i = 0; i < 8; i++) {
+       ltc_ecc_del_point(M[i]);
+   }
+   return err;
+}
+
+#endif
+
+#undef WINSIZE
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/ecc/ltc_ecc_mulmod.c,v $ */
+/* $Revision: 1.26 $ */
+/* $Date: 2007/05/12 14:32:35 $ */
diff --git a/src/libtomcrypt/src/pk/ecc/ltc_ecc_points.c b/src/libtomcrypt/src/pk/ecc/ltc_ecc_points.c
new file mode 100644
index 0000000..f5a4acb
--- /dev/null
+++ b/src/libtomcrypt/src/pk/ecc/ltc_ecc_points.c
@@ -0,0 +1,60 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+
+/* Implements ECC over Z/pZ for curve y^2 = x^3 - 3x + b
+ *
+ * All curves taken from NIST recommendation paper of July 1999
+ * Available at http://csrc.nist.gov/cryptval/dss.htm
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file ltc_ecc_points.c
+  ECC Crypto, Tom St Denis
+*/  
+
+#ifdef LTC_MECC
+
+/**
+   Allocate a new ECC point
+   @return A newly allocated point or NULL on error 
+*/
+ecc_point *ltc_ecc_new_point(void)
+{
+   ecc_point *p;
+   p = XCALLOC(1, sizeof(*p));
+   if (p == NULL) {
+      return NULL;
+   }
+   if (mp_init_multi(&p->x, &p->y, &p->z, NULL) != CRYPT_OK) {
+      XFREE(p);
+      return NULL;
+   }
+   return p;
+}
+
+/** Free an ECC point from memory
+  @param p   The point to free
+*/
+void ltc_ecc_del_point(ecc_point *p)
+{
+   /* prevents free'ing null arguments */
+   if (p != NULL) {
+      mp_clear_multi(p->x, p->y, p->z, NULL); /* note: p->z may be NULL but that's ok with this function anyways */
+      XFREE(p);
+   }
+}
+
+#endif
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/ecc/ltc_ecc_points.c,v $ */
+/* $Revision: 1.7 $ */
+/* $Date: 2007/05/12 14:32:35 $ */
+
diff --git a/src/libtomcrypt/src/pk/ecc/ltc_ecc_projective_add_point.c b/src/libtomcrypt/src/pk/ecc/ltc_ecc_projective_add_point.c
new file mode 100644
index 0000000..b4416fc
--- /dev/null
+++ b/src/libtomcrypt/src/pk/ecc/ltc_ecc_projective_add_point.c
@@ -0,0 +1,196 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+
+/* Implements ECC over Z/pZ for curve y^2 = x^3 - 3x + b
+ *
+ * All curves taken from NIST recommendation paper of July 1999
+ * Available at http://csrc.nist.gov/cryptval/dss.htm
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file ltc_ecc_projective_add_point.c
+  ECC Crypto, Tom St Denis
+*/  
+
+#if defined(LTC_MECC) && (!defined(LTC_MECC_ACCEL) || defined(LTM_LTC_DESC))
+
+/**
+   Add two ECC points
+   @param P        The point to add
+   @param Q        The point to add
+   @param R        [out] The destination of the double
+   @param modulus  The modulus of the field the ECC curve is in
+   @param mp       The "b" value from montgomery_setup()
+   @return CRYPT_OK on success
+*/
+int ltc_ecc_projective_add_point(ecc_point *P, ecc_point *Q, ecc_point *R, void *modulus, void *mp)
+{
+   void  *t1, *t2, *x, *y, *z;
+   int    err;
+
+   LTC_ARGCHK(P       != NULL);
+   LTC_ARGCHK(Q       != NULL);
+   LTC_ARGCHK(R       != NULL);
+   LTC_ARGCHK(modulus != NULL);
+   LTC_ARGCHK(mp      != NULL);
+
+   if ((err = mp_init_multi(&t1, &t2, &x, &y, &z, NULL)) != CRYPT_OK) {
+      return err;
+   }
+   
+   /* should we dbl instead? */
+   if ((err = mp_sub(modulus, Q->y, t1)) != CRYPT_OK)                          { goto done; }
+
+   if ( (mp_cmp(P->x, Q->x) == LTC_MP_EQ) && 
+        (Q->z != NULL && mp_cmp(P->z, Q->z) == LTC_MP_EQ) &&
+        (mp_cmp(P->y, Q->y) == LTC_MP_EQ || mp_cmp(P->y, t1) == LTC_MP_EQ)) {
+        mp_clear_multi(t1, t2, x, y, z, NULL);
+        return ltc_ecc_projective_dbl_point(P, R, modulus, mp);
+   }
+
+   if ((err = mp_copy(P->x, x)) != CRYPT_OK)                                   { goto done; }
+   if ((err = mp_copy(P->y, y)) != CRYPT_OK)                                   { goto done; }
+   if ((err = mp_copy(P->z, z)) != CRYPT_OK)                                   { goto done; }
+
+   /* if Z is one then these are no-operations */
+   if (Q->z != NULL) {
+      /* T1 = Z' * Z' */
+      if ((err = mp_sqr(Q->z, t1)) != CRYPT_OK)                                { goto done; }
+      if ((err = mp_montgomery_reduce(t1, modulus, mp)) != CRYPT_OK)           { goto done; }
+      /* X = X * T1 */
+      if ((err = mp_mul(t1, x, x)) != CRYPT_OK)                                { goto done; }
+      if ((err = mp_montgomery_reduce(x, modulus, mp)) != CRYPT_OK)            { goto done; }
+      /* T1 = Z' * T1 */
+      if ((err = mp_mul(Q->z, t1, t1)) != CRYPT_OK)                            { goto done; }
+      if ((err = mp_montgomery_reduce(t1, modulus, mp)) != CRYPT_OK)           { goto done; }
+      /* Y = Y * T1 */
+      if ((err = mp_mul(t1, y, y)) != CRYPT_OK)                                { goto done; }
+      if ((err = mp_montgomery_reduce(y, modulus, mp)) != CRYPT_OK)            { goto done; }
+   }
+
+   /* T1 = Z*Z */
+   if ((err = mp_sqr(z, t1)) != CRYPT_OK)                                      { goto done; }
+   if ((err = mp_montgomery_reduce(t1, modulus, mp)) != CRYPT_OK)              { goto done; }
+   /* T2 = X' * T1 */
+   if ((err = mp_mul(Q->x, t1, t2)) != CRYPT_OK)                               { goto done; }
+   if ((err = mp_montgomery_reduce(t2, modulus, mp)) != CRYPT_OK)              { goto done; }
+   /* T1 = Z * T1 */
+   if ((err = mp_mul(z, t1, t1)) != CRYPT_OK)                                  { goto done; }
+   if ((err = mp_montgomery_reduce(t1, modulus, mp)) != CRYPT_OK)              { goto done; }
+   /* T1 = Y' * T1 */
+   if ((err = mp_mul(Q->y, t1, t1)) != CRYPT_OK)                               { goto done; }
+   if ((err = mp_montgomery_reduce(t1, modulus, mp)) != CRYPT_OK)              { goto done; }
+
+   /* Y = Y - T1 */
+   if ((err = mp_sub(y, t1, y)) != CRYPT_OK)                                   { goto done; }
+   if (mp_cmp_d(y, 0) == LTC_MP_LT) {
+      if ((err = mp_add(y, modulus, y)) != CRYPT_OK)                           { goto done; }
+   }
+   /* T1 = 2T1 */
+   if ((err = mp_add(t1, t1, t1)) != CRYPT_OK)                                 { goto done; }
+   if (mp_cmp(t1, modulus) != LTC_MP_LT) {
+      if ((err = mp_sub(t1, modulus, t1)) != CRYPT_OK)                         { goto done; }
+   }
+   /* T1 = Y + T1 */
+   if ((err = mp_add(t1, y, t1)) != CRYPT_OK)                                  { goto done; }
+   if (mp_cmp(t1, modulus) != LTC_MP_LT) {
+      if ((err = mp_sub(t1, modulus, t1)) != CRYPT_OK)                         { goto done; }
+   }
+   /* X = X - T2 */
+   if ((err = mp_sub(x, t2, x)) != CRYPT_OK)                                   { goto done; }
+   if (mp_cmp_d(x, 0) == LTC_MP_LT) {
+      if ((err = mp_add(x, modulus, x)) != CRYPT_OK)                           { goto done; }
+   }
+   /* T2 = 2T2 */
+   if ((err = mp_add(t2, t2, t2)) != CRYPT_OK)                                 { goto done; }
+   if (mp_cmp(t2, modulus) != LTC_MP_LT) {
+      if ((err = mp_sub(t2, modulus, t2)) != CRYPT_OK)                         { goto done; }
+   }
+   /* T2 = X + T2 */
+   if ((err = mp_add(t2, x, t2)) != CRYPT_OK)                                  { goto done; }
+   if (mp_cmp(t2, modulus) != LTC_MP_LT) {
+      if ((err = mp_sub(t2, modulus, t2)) != CRYPT_OK)                         { goto done; }
+   }
+
+   /* if Z' != 1 */
+   if (Q->z != NULL) {
+      /* Z = Z * Z' */
+      if ((err = mp_mul(z, Q->z, z)) != CRYPT_OK)                              { goto done; }
+      if ((err = mp_montgomery_reduce(z, modulus, mp)) != CRYPT_OK)            { goto done; }
+   }
+
+   /* Z = Z * X */
+   if ((err = mp_mul(z, x, z)) != CRYPT_OK)                                    { goto done; }
+   if ((err = mp_montgomery_reduce(z, modulus, mp)) != CRYPT_OK)               { goto done; }
+
+   /* T1 = T1 * X  */
+   if ((err = mp_mul(t1, x, t1)) != CRYPT_OK)                                  { goto done; }
+   if ((err = mp_montgomery_reduce(t1, modulus, mp)) != CRYPT_OK)              { goto done; }
+   /* X = X * X */
+   if ((err = mp_sqr(x, x)) != CRYPT_OK)                                       { goto done; }
+   if ((err = mp_montgomery_reduce(x, modulus, mp)) != CRYPT_OK)               { goto done; }
+   /* T2 = T2 * x */
+   if ((err = mp_mul(t2, x, t2)) != CRYPT_OK)                                  { goto done; }
+   if ((err = mp_montgomery_reduce(t2, modulus, mp)) != CRYPT_OK)              { goto done; }
+   /* T1 = T1 * X  */
+   if ((err = mp_mul(t1, x, t1)) != CRYPT_OK)                                  { goto done; }
+   if ((err = mp_montgomery_reduce(t1, modulus, mp)) != CRYPT_OK)              { goto done; }
+ 
+   /* X = Y*Y */
+   if ((err = mp_sqr(y, x)) != CRYPT_OK)                                       { goto done; }
+   if ((err = mp_montgomery_reduce(x, modulus, mp)) != CRYPT_OK)               { goto done; }
+   /* X = X - T2 */
+   if ((err = mp_sub(x, t2, x)) != CRYPT_OK)                                   { goto done; }
+   if (mp_cmp_d(x, 0) == LTC_MP_LT) {
+      if ((err = mp_add(x, modulus, x)) != CRYPT_OK)                           { goto done; }
+   }
+
+   /* T2 = T2 - X */
+   if ((err = mp_sub(t2, x, t2)) != CRYPT_OK)                                  { goto done; }
+   if (mp_cmp_d(t2, 0) == LTC_MP_LT) {
+      if ((err = mp_add(t2, modulus, t2)) != CRYPT_OK)                         { goto done; }
+   } 
+   /* T2 = T2 - X */
+   if ((err = mp_sub(t2, x, t2)) != CRYPT_OK)                                  { goto done; }
+   if (mp_cmp_d(t2, 0) == LTC_MP_LT) {
+      if ((err = mp_add(t2, modulus, t2)) != CRYPT_OK)                         { goto done; }
+   }
+   /* T2 = T2 * Y */
+   if ((err = mp_mul(t2, y, t2)) != CRYPT_OK)                                  { goto done; }
+   if ((err = mp_montgomery_reduce(t2, modulus, mp)) != CRYPT_OK)              { goto done; }
+   /* Y = T2 - T1 */
+   if ((err = mp_sub(t2, t1, y)) != CRYPT_OK)                                  { goto done; }
+   if (mp_cmp_d(y, 0) == LTC_MP_LT) {
+      if ((err = mp_add(y, modulus, y)) != CRYPT_OK)                           { goto done; }
+   }
+   /* Y = Y/2 */
+   if (mp_isodd(y)) {
+      if ((err = mp_add(y, modulus, y)) != CRYPT_OK)                           { goto done; }
+   }
+   if ((err = mp_div_2(y, y)) != CRYPT_OK)                                     { goto done; }
+
+   if ((err = mp_copy(x, R->x)) != CRYPT_OK)                                   { goto done; }
+   if ((err = mp_copy(y, R->y)) != CRYPT_OK)                                   { goto done; }
+   if ((err = mp_copy(z, R->z)) != CRYPT_OK)                                   { goto done; }
+
+   err = CRYPT_OK;
+done:
+   mp_clear_multi(t1, t2, x, y, z, NULL);
+   return err;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/ecc/ltc_ecc_projective_add_point.c,v $ */
+/* $Revision: 1.16 $ */
+/* $Date: 2007/05/12 14:32:35 $ */
+
diff --git a/src/libtomcrypt/src/pk/ecc/ltc_ecc_projective_dbl_point.c b/src/libtomcrypt/src/pk/ecc/ltc_ecc_projective_dbl_point.c
new file mode 100644
index 0000000..b990e0a
--- /dev/null
+++ b/src/libtomcrypt/src/pk/ecc/ltc_ecc_projective_dbl_point.c
@@ -0,0 +1,147 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+
+/* Implements ECC over Z/pZ for curve y^2 = x^3 - 3x + b
+ *
+ * All curves taken from NIST recommendation paper of July 1999
+ * Available at http://csrc.nist.gov/cryptval/dss.htm
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file ltc_ecc_projective_dbl_point.c
+  ECC Crypto, Tom St Denis
+*/  
+
+#if defined(LTC_MECC) && (!defined(LTC_MECC_ACCEL) || defined(LTM_LTC_DESC))
+
+/**
+   Double an ECC point
+   @param P   The point to double
+   @param R   [out] The destination of the double
+   @param modulus  The modulus of the field the ECC curve is in
+   @param mp       The "b" value from montgomery_setup()
+   @return CRYPT_OK on success
+*/
+int ltc_ecc_projective_dbl_point(ecc_point *P, ecc_point *R, void *modulus, void *mp)
+{
+   void *t1, *t2;
+   int   err;
+
+   LTC_ARGCHK(P       != NULL);
+   LTC_ARGCHK(R       != NULL);
+   LTC_ARGCHK(modulus != NULL);
+   LTC_ARGCHK(mp      != NULL);
+
+   if ((err = mp_init_multi(&t1, &t2, NULL)) != CRYPT_OK) {
+      return err;
+   }
+
+   if (P != R) {
+      if ((err = mp_copy(P->x, R->x)) != CRYPT_OK)                                { goto done; }
+      if ((err = mp_copy(P->y, R->y)) != CRYPT_OK)                                { goto done; }
+      if ((err = mp_copy(P->z, R->z)) != CRYPT_OK)                                { goto done; }
+   }
+
+   /* t1 = Z * Z */
+   if ((err = mp_sqr(R->z, t1)) != CRYPT_OK)                                      { goto done; }
+   if ((err = mp_montgomery_reduce(t1, modulus, mp)) != CRYPT_OK)                 { goto done; }
+   /* Z = Y * Z */
+   if ((err = mp_mul(R->z, R->y, R->z)) != CRYPT_OK)                              { goto done; }
+   if ((err = mp_montgomery_reduce(R->z, modulus, mp)) != CRYPT_OK)               { goto done; }
+   /* Z = 2Z */
+   if ((err = mp_add(R->z, R->z, R->z)) != CRYPT_OK)                              { goto done; }
+   if (mp_cmp(R->z, modulus) != LTC_MP_LT) {
+      if ((err = mp_sub(R->z, modulus, R->z)) != CRYPT_OK)                        { goto done; }
+   }
+   
+   /* T2 = X - T1 */
+   if ((err = mp_sub(R->x, t1, t2)) != CRYPT_OK)                                  { goto done; }
+   if (mp_cmp_d(t2, 0) == LTC_MP_LT) {
+      if ((err = mp_add(t2, modulus, t2)) != CRYPT_OK)                            { goto done; }
+   }
+   /* T1 = X + T1 */
+   if ((err = mp_add(t1, R->x, t1)) != CRYPT_OK)                                  { goto done; }
+   if (mp_cmp(t1, modulus) != LTC_MP_LT) {
+      if ((err = mp_sub(t1, modulus, t1)) != CRYPT_OK)                            { goto done; }
+   }
+   /* T2 = T1 * T2 */
+   if ((err = mp_mul(t1, t2, t2)) != CRYPT_OK)                                    { goto done; }
+   if ((err = mp_montgomery_reduce(t2, modulus, mp)) != CRYPT_OK)                 { goto done; }
+   /* T1 = 2T2 */
+   if ((err = mp_add(t2, t2, t1)) != CRYPT_OK)                                    { goto done; }
+   if (mp_cmp(t1, modulus) != LTC_MP_LT) {
+      if ((err = mp_sub(t1, modulus, t1)) != CRYPT_OK)                            { goto done; }
+   }
+   /* T1 = T1 + T2 */
+   if ((err = mp_add(t1, t2, t1)) != CRYPT_OK)                                    { goto done; }
+   if (mp_cmp(t1, modulus) != LTC_MP_LT) {
+      if ((err = mp_sub(t1, modulus, t1)) != CRYPT_OK)                            { goto done; }
+   }
+
+   /* Y = 2Y */
+   if ((err = mp_add(R->y, R->y, R->y)) != CRYPT_OK)                              { goto done; }
+   if (mp_cmp(R->y, modulus) != LTC_MP_LT) {
+      if ((err = mp_sub(R->y, modulus, R->y)) != CRYPT_OK)                        { goto done; }
+   }
+   /* Y = Y * Y */
+   if ((err = mp_sqr(R->y, R->y)) != CRYPT_OK)                                    { goto done; }
+   if ((err = mp_montgomery_reduce(R->y, modulus, mp)) != CRYPT_OK)               { goto done; }
+   /* T2 = Y * Y */
+   if ((err = mp_sqr(R->y, t2)) != CRYPT_OK)                                      { goto done; }
+   if ((err = mp_montgomery_reduce(t2, modulus, mp)) != CRYPT_OK)                 { goto done; }
+   /* T2 = T2/2 */
+   if (mp_isodd(t2)) {
+      if ((err = mp_add(t2, modulus, t2)) != CRYPT_OK)                            { goto done; }
+   }
+   if ((err = mp_div_2(t2, t2)) != CRYPT_OK)                                      { goto done; }
+   /* Y = Y * X */
+   if ((err = mp_mul(R->y, R->x, R->y)) != CRYPT_OK)                              { goto done; }
+   if ((err = mp_montgomery_reduce(R->y, modulus, mp)) != CRYPT_OK)               { goto done; }
+
+   /* X  = T1 * T1 */
+   if ((err = mp_sqr(t1, R->x)) != CRYPT_OK)                                      { goto done; }
+   if ((err = mp_montgomery_reduce(R->x, modulus, mp)) != CRYPT_OK)               { goto done; }
+   /* X = X - Y */
+   if ((err = mp_sub(R->x, R->y, R->x)) != CRYPT_OK)                              { goto done; }
+   if (mp_cmp_d(R->x, 0) == LTC_MP_LT) {
+      if ((err = mp_add(R->x, modulus, R->x)) != CRYPT_OK)                        { goto done; }
+   }
+   /* X = X - Y */
+   if ((err = mp_sub(R->x, R->y, R->x)) != CRYPT_OK)                              { goto done; }
+   if (mp_cmp_d(R->x, 0) == LTC_MP_LT) {
+      if ((err = mp_add(R->x, modulus, R->x)) != CRYPT_OK)                        { goto done; }
+   }
+
+   /* Y = Y - X */     
+   if ((err = mp_sub(R->y, R->x, R->y)) != CRYPT_OK)                              { goto done; }
+   if (mp_cmp_d(R->y, 0) == LTC_MP_LT) {
+      if ((err = mp_add(R->y, modulus, R->y)) != CRYPT_OK)                        { goto done; }
+   }
+   /* Y = Y * T1 */
+   if ((err = mp_mul(R->y, t1, R->y)) != CRYPT_OK)                                { goto done; }
+   if ((err = mp_montgomery_reduce(R->y, modulus, mp)) != CRYPT_OK)               { goto done; }
+   /* Y = Y - T2 */
+   if ((err = mp_sub(R->y, t2, R->y)) != CRYPT_OK)                                { goto done; }
+   if (mp_cmp_d(R->y, 0) == LTC_MP_LT) {
+      if ((err = mp_add(R->y, modulus, R->y)) != CRYPT_OK)                        { goto done; }
+   }
+ 
+   err = CRYPT_OK;
+done:
+   mp_clear_multi(t1, t2, NULL);
+   return err;
+}
+#endif
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/ecc/ltc_ecc_projective_dbl_point.c,v $ */
+/* $Revision: 1.11 $ */
+/* $Date: 2007/05/12 14:32:35 $ */
+
diff --git a/src/libtomcrypt/src/pk/pkcs1/pkcs_1_mgf1.c b/src/libtomcrypt/src/pk/pkcs1/pkcs_1_mgf1.c
new file mode 100644
index 0000000..e8f6418
--- /dev/null
+++ b/src/libtomcrypt/src/pk/pkcs1/pkcs_1_mgf1.c
@@ -0,0 +1,108 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/** 
+  @file pkcs_1_mgf1.c
+  The Mask Generation Function (MGF1) for LTC_PKCS #1, Tom St Denis 
+*/
+
+#ifdef LTC_PKCS_1
+
+/**
+   Perform LTC_PKCS #1 MGF1 (internal)
+   @param seed        The seed for MGF1
+   @param seedlen     The length of the seed
+   @param hash_idx    The index of the hash desired
+   @param mask        [out] The destination
+   @param masklen     The length of the mask desired
+   @return CRYPT_OK if successful
+*/
+int pkcs_1_mgf1(int                  hash_idx,
+                const unsigned char *seed, unsigned long seedlen,
+                      unsigned char *mask, unsigned long masklen)
+{
+   unsigned long hLen, x;
+   ulong32       counter;
+   int           err;
+   hash_state    *md;
+   unsigned char *buf;
+ 
+   LTC_ARGCHK(seed != NULL);
+   LTC_ARGCHK(mask != NULL);
+
+   /* ensure valid hash */
+   if ((err = hash_is_valid(hash_idx)) != CRYPT_OK) { 
+      return err;
+   }
+
+   /* get hash output size */
+   hLen = hash_descriptor[hash_idx].hashsize;
+
+   /* allocate memory */
+   md  = XMALLOC(sizeof(hash_state));
+   buf = XMALLOC(hLen);
+   if (md == NULL || buf == NULL) {
+      if (md != NULL) {
+         XFREE(md);
+      }
+      if (buf != NULL) {
+         XFREE(buf);
+      }
+      return CRYPT_MEM;
+   }
+
+   /* start counter */
+   counter = 0;
+
+   while (masklen > 0) {
+       /* handle counter */
+       STORE32H(counter, buf);
+       ++counter;
+
+       /* get hash of seed || counter */
+       if ((err = hash_descriptor[hash_idx].init(md)) != CRYPT_OK) {
+          goto LBL_ERR;
+       }
+       if ((err = hash_descriptor[hash_idx].process(md, seed, seedlen)) != CRYPT_OK) {
+          goto LBL_ERR;
+       }
+       if ((err = hash_descriptor[hash_idx].process(md, buf, 4)) != CRYPT_OK) {
+          goto LBL_ERR;
+       }
+       if ((err = hash_descriptor[hash_idx].done(md, buf)) != CRYPT_OK) {
+          goto LBL_ERR;
+       }
+
+       /* store it */
+       for (x = 0; x < hLen && masklen > 0; x++, masklen--) {
+          *mask++ = buf[x];
+       }
+   }
+
+   err = CRYPT_OK;
+LBL_ERR:
+#ifdef LTC_CLEAN_STACK
+   zeromem(buf, hLen);
+   zeromem(md,  sizeof(hash_state));
+#endif
+
+   XFREE(buf);
+   XFREE(md);
+
+   return err;
+}
+
+#endif /* LTC_PKCS_1 */
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/pkcs1/pkcs_1_mgf1.c,v $ */
+/* $Revision: 1.8 $ */
+/* $Date: 2007/05/12 14:32:35 $ */
diff --git a/src/libtomcrypt/src/pk/pkcs1/pkcs_1_oaep_decode.c b/src/libtomcrypt/src/pk/pkcs1/pkcs_1_oaep_decode.c
new file mode 100644
index 0000000..709ab8a
--- /dev/null
+++ b/src/libtomcrypt/src/pk/pkcs1/pkcs_1_oaep_decode.c
@@ -0,0 +1,189 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/** 
+  @file pkcs_1_oaep_decode.c
+  OAEP Padding for LTC_PKCS #1, Tom St Denis 
+*/
+
+#ifdef LTC_PKCS_1
+
+/**
+   LTC_PKCS #1 v2.00 OAEP decode
+   @param msg              The encoded data to decode
+   @param msglen           The length of the encoded data (octets)
+   @param lparam           The session or system data (can be NULL)
+   @param lparamlen        The length of the lparam
+   @param modulus_bitlen   The bit length of the RSA modulus
+   @param hash_idx         The index of the hash desired
+   @param out              [out] Destination of decoding
+   @param outlen           [in/out] The max size and resulting size of the decoding
+   @param res              [out] Result of decoding, 1==valid, 0==invalid
+   @return CRYPT_OK if successful (even if invalid)
+*/
+int pkcs_1_oaep_decode(const unsigned char *msg,    unsigned long msglen,
+                       const unsigned char *lparam, unsigned long lparamlen,
+                             unsigned long modulus_bitlen, int hash_idx,
+                             unsigned char *out,    unsigned long *outlen,
+                             int           *res)
+{
+   unsigned char *DB, *seed, *mask;
+   unsigned long hLen, x, y, modulus_len;
+   int           err;
+
+   LTC_ARGCHK(msg    != NULL);
+   LTC_ARGCHK(out    != NULL);
+   LTC_ARGCHK(outlen != NULL);
+   LTC_ARGCHK(res    != NULL);
+
+   /* default to invalid packet */
+   *res = 0;
+   
+   /* test valid hash */
+   if ((err = hash_is_valid(hash_idx)) != CRYPT_OK) { 
+      return err;
+   }
+   hLen        = hash_descriptor[hash_idx].hashsize;
+   modulus_len = (modulus_bitlen >> 3) + (modulus_bitlen & 7 ? 1 : 0);
+
+   /* test hash/message size */
+   if ((2*hLen >= (modulus_len - 2)) || (msglen != modulus_len)) {
+      return CRYPT_PK_INVALID_SIZE;
+   }
+
+   /* allocate ram for DB/mask/salt of size modulus_len */
+   DB   = XMALLOC(modulus_len);
+   mask = XMALLOC(modulus_len);
+   seed = XMALLOC(hLen);
+   if (DB == NULL || mask == NULL || seed == NULL) {
+      if (DB != NULL) {
+         XFREE(DB);
+      }
+      if (mask != NULL) {
+         XFREE(mask);
+      }
+      if (seed != NULL) {
+         XFREE(seed);
+      }
+      return CRYPT_MEM;
+   }
+
+   /* ok so it's now in the form
+  
+      0x00  || maskedseed || maskedDB 
+  
+       1    ||   hLen     ||  modulus_len - hLen - 1
+   
+    */
+
+   /* must have leading 0x00 byte */
+   if (msg[0] != 0x00) {
+      err = CRYPT_OK;
+      goto LBL_ERR;
+   }
+
+   /* now read the masked seed */
+   x = 1;
+   XMEMCPY(seed, msg + x, hLen);
+   x += hLen;
+
+   /* now read the masked DB */
+   XMEMCPY(DB, msg + x, modulus_len - hLen - 1);
+   x += modulus_len - hLen - 1;
+
+   /* compute MGF1 of maskedDB (hLen) */ 
+   if ((err = pkcs_1_mgf1(hash_idx, DB, modulus_len - hLen - 1, mask, hLen)) != CRYPT_OK) {
+      goto LBL_ERR;
+   }
+
+   /* XOR against seed */
+   for (y = 0; y < hLen; y++) {
+      seed[y] ^= mask[y];
+   }
+
+   /* compute MGF1 of seed (k - hlen - 1) */
+   if ((err = pkcs_1_mgf1(hash_idx, seed, hLen, mask, modulus_len - hLen - 1)) != CRYPT_OK) {
+      goto LBL_ERR;
+   }
+
+   /* xor against DB */
+   for (y = 0; y < (modulus_len - hLen - 1); y++) {
+       DB[y] ^= mask[y]; 
+   }
+
+   /* now DB == lhash || PS || 0x01 || M, PS == k - mlen - 2hlen - 2 zeroes */
+
+   /* compute lhash and store it in seed [reuse temps!] */
+   x = modulus_len;
+   if (lparam != NULL) {
+      if ((err = hash_memory(hash_idx, lparam, lparamlen, seed, &x)) != CRYPT_OK) {
+         goto LBL_ERR;
+      }
+   } else {
+      /* can't pass hash_memory a NULL so use DB with zero length */
+      if ((err = hash_memory(hash_idx, DB, 0, seed, &x)) != CRYPT_OK) {
+         goto LBL_ERR;
+      }
+   }
+
+   /* compare the lhash'es */
+   if (XMEMCMP(seed, DB, hLen) != 0) {
+      err = CRYPT_OK;
+      goto LBL_ERR;
+   }
+
+   /* now zeroes before a 0x01 */
+   for (x = hLen; x < (modulus_len - hLen - 1) && DB[x] == 0x00; x++) {
+      /* step... */
+   }
+
+   /* error out if wasn't 0x01 */
+   if (x == (modulus_len - hLen - 1) || DB[x] != 0x01) {
+      err = CRYPT_INVALID_PACKET;
+      goto LBL_ERR;
+   }
+
+   /* rest is the message (and skip 0x01) */
+   if ((modulus_len - hLen - 1 - ++x) > *outlen) {
+      *outlen = modulus_len - hLen - 1 - x;
+      err = CRYPT_BUFFER_OVERFLOW;
+      goto LBL_ERR;
+   }
+
+   /* copy message */
+   *outlen = modulus_len - hLen - 1 - x;
+   XMEMCPY(out, DB + x, modulus_len - hLen - 1 - x);
+   x += modulus_len - hLen - 1;
+
+   /* valid packet */
+   *res = 1;
+
+   err = CRYPT_OK;
+LBL_ERR:
+#ifdef LTC_CLEAN_STACK
+   zeromem(DB,   modulus_len);
+   zeromem(seed, hLen);
+   zeromem(mask, modulus_len);
+#endif
+
+   XFREE(seed);
+   XFREE(mask);
+   XFREE(DB);
+
+   return err;
+}
+
+#endif /* LTC_PKCS_1 */
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/pkcs1/pkcs_1_oaep_decode.c,v $ */
+/* $Revision: 1.13 $ */
+/* $Date: 2007/05/12 14:32:35 $ */
diff --git a/src/libtomcrypt/src/pk/pkcs1/pkcs_1_pss_decode.c b/src/libtomcrypt/src/pk/pkcs1/pkcs_1_pss_decode.c
new file mode 100644
index 0000000..c3a7211
--- /dev/null
+++ b/src/libtomcrypt/src/pk/pkcs1/pkcs_1_pss_decode.c
@@ -0,0 +1,177 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/** 
+  @file pkcs_1_pss_decode.c
+  LTC_PKCS #1 PSS Signature Padding, Tom St Denis 
+*/
+
+#ifdef LTC_PKCS_1
+
+/**
+   LTC_PKCS #1 v2.00 PSS decode
+   @param  msghash         The hash to verify
+   @param  msghashlen      The length of the hash (octets)
+   @param  sig             The signature data (encoded data)
+   @param  siglen          The length of the signature data (octets)
+   @param  saltlen         The length of the salt used (octets)
+   @param  hash_idx        The index of the hash desired
+   @param  modulus_bitlen  The bit length of the RSA modulus
+   @param  res             [out] The result of the comparison, 1==valid, 0==invalid
+   @return CRYPT_OK if successful (even if the comparison failed)
+*/
+int pkcs_1_pss_decode(const unsigned char *msghash, unsigned long msghashlen,
+                      const unsigned char *sig,     unsigned long siglen,
+                            unsigned long saltlen,  int           hash_idx,
+                            unsigned long modulus_bitlen, int    *res)
+{
+   unsigned char *DB, *mask, *salt, *hash;
+   unsigned long x, y, hLen, modulus_len;
+   int           err;
+   hash_state    md;
+
+   LTC_ARGCHK(msghash != NULL);
+   LTC_ARGCHK(res     != NULL);
+
+   /* default to invalid */
+   *res = 0;
+
+   /* ensure hash is valid */
+   if ((err = hash_is_valid(hash_idx)) != CRYPT_OK) {
+      return err;
+   }
+
+   hLen        = hash_descriptor[hash_idx].hashsize;
+   modulus_len = (modulus_bitlen>>3) + (modulus_bitlen & 7 ? 1 : 0);
+
+   /* check sizes */
+   if ((saltlen > modulus_len) || 
+       (modulus_len < hLen + saltlen + 2) || (siglen != modulus_len)) {
+      return CRYPT_PK_INVALID_SIZE;
+   }
+
+   /* allocate ram for DB/mask/salt/hash of size modulus_len */
+   DB   = XMALLOC(modulus_len);
+   mask = XMALLOC(modulus_len);
+   salt = XMALLOC(modulus_len);
+   hash = XMALLOC(modulus_len);
+   if (DB == NULL || mask == NULL || salt == NULL || hash == NULL) {
+      if (DB != NULL) {
+         XFREE(DB);
+      }
+      if (mask != NULL) {
+         XFREE(mask);
+      }
+      if (salt != NULL) {
+         XFREE(salt);
+      }
+      if (hash != NULL) {
+         XFREE(hash);
+      }
+      return CRYPT_MEM;
+   }
+
+   /* ensure the 0xBC byte */
+   if (sig[siglen-1] != 0xBC) {
+      err = CRYPT_INVALID_PACKET;
+      goto LBL_ERR;
+   }
+
+   /* copy out the DB */
+   x = 0;
+   XMEMCPY(DB, sig + x, modulus_len - hLen - 1);
+   x += modulus_len - hLen - 1;
+
+   /* copy out the hash */
+   XMEMCPY(hash, sig + x, hLen);
+   x += hLen;
+
+   /* check the MSB */
+   if ((sig[0] & ~(0xFF >> ((modulus_len<<3) - (modulus_bitlen-1)))) != 0) {
+      err = CRYPT_INVALID_PACKET;
+      goto LBL_ERR;
+   }
+
+   /* generate mask of length modulus_len - hLen - 1 from hash */
+   if ((err = pkcs_1_mgf1(hash_idx, hash, hLen, mask, modulus_len - hLen - 1)) != CRYPT_OK) {
+      goto LBL_ERR;
+   }
+
+   /* xor against DB */
+   for (y = 0; y < (modulus_len - hLen - 1); y++) {
+      DB[y] ^= mask[y];
+   }
+   
+   /* now clear the first byte [make sure smaller than modulus] */
+   DB[0] &= 0xFF >> ((modulus_len<<3) - (modulus_bitlen-1));
+
+   /* DB = PS || 0x01 || salt, PS == modulus_len - saltlen - hLen - 2 zero bytes */
+
+   /* check for zeroes and 0x01 */
+   for (x = 0; x < modulus_len - saltlen - hLen - 2; x++) {
+       if (DB[x] != 0x00) {
+          err = CRYPT_INVALID_PACKET;
+          goto LBL_ERR;
+       }
+   }
+
+   /* check for the 0x01 */
+   if (DB[x++] != 0x01) {
+      err = CRYPT_INVALID_PACKET;
+      goto LBL_ERR;
+   }
+
+   /* M = (eight) 0x00 || msghash || salt, mask = H(M) */
+   if ((err = hash_descriptor[hash_idx].init(&md)) != CRYPT_OK) {
+      goto LBL_ERR;
+   }
+   zeromem(mask, 8);
+   if ((err = hash_descriptor[hash_idx].process(&md, mask, 8)) != CRYPT_OK) {
+      goto LBL_ERR;
+   }
+   if ((err = hash_descriptor[hash_idx].process(&md, msghash, msghashlen)) != CRYPT_OK) {
+      goto LBL_ERR;
+   }
+   if ((err = hash_descriptor[hash_idx].process(&md, DB+x, saltlen)) != CRYPT_OK) {
+      goto LBL_ERR;
+   }
+   if ((err = hash_descriptor[hash_idx].done(&md, mask)) != CRYPT_OK) {
+      goto LBL_ERR;
+   }
+
+   /* mask == hash means valid signature */
+   if (XMEMCMP(mask, hash, hLen) == 0) {
+      *res = 1;
+   }
+
+   err = CRYPT_OK;
+LBL_ERR:
+#ifdef LTC_CLEAN_STACK
+   zeromem(DB,   modulus_len);   
+   zeromem(mask, modulus_len);   
+   zeromem(salt, modulus_len);   
+   zeromem(hash, modulus_len);   
+#endif
+
+   XFREE(hash);
+   XFREE(salt);
+   XFREE(mask);
+   XFREE(DB);
+
+   return err;
+}
+
+#endif /* LTC_PKCS_1 */
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/pkcs1/pkcs_1_pss_decode.c,v $ */
+/* $Revision: 1.11 $ */
+/* $Date: 2007/05/12 14:32:35 $ */
diff --git a/src/libtomcrypt/src/pk/pkcs1/pkcs_1_v1_5_decode.c b/src/libtomcrypt/src/pk/pkcs1/pkcs_1_v1_5_decode.c
new file mode 100644
index 0000000..7c3711c
--- /dev/null
+++ b/src/libtomcrypt/src/pk/pkcs1/pkcs_1_v1_5_decode.c
@@ -0,0 +1,110 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/** @file pkcs_1_v1_5_decode.c
+ *
+ *  LTC_PKCS #1 v1.5 Padding. (Andreas Lange)
+ */
+
+#ifdef LTC_PKCS_1
+
+/** @brief LTC_PKCS #1 v1.5 decode.
+ *
+ *  @param msg              The encoded data to decode
+ *  @param msglen           The length of the encoded data (octets)
+ *  @param block_type       Block type to use in padding (\sa ltc_pkcs_1_v1_5_blocks)
+ *  @param modulus_bitlen   The bit length of the RSA modulus
+ *  @param out              [out] Destination of decoding
+ *  @param outlen           [in/out] The max size and resulting size of the decoding
+ *  @param is_valid         [out] Boolean whether the padding was valid
+ *
+ *  @return CRYPT_OK if successful (even if invalid)
+ */
+int pkcs_1_v1_5_decode(const unsigned char *msg, 
+                             unsigned long  msglen,
+                                       int  block_type,
+                             unsigned long  modulus_bitlen,
+                             unsigned char *out, 
+                             unsigned long *outlen,
+                                       int *is_valid)
+{
+  unsigned long modulus_len, ps_len, i;
+  int result;
+
+  /* default to invalid packet */
+  *is_valid = 0;
+
+  modulus_len = (modulus_bitlen >> 3) + (modulus_bitlen & 7 ? 1 : 0);
+
+  /* test message size */
+
+  if ((msglen > modulus_len) || (modulus_len < 11)) {
+    return CRYPT_PK_INVALID_SIZE;
+  }
+
+  /* separate encoded message */
+
+  if ((msg[0] != 0x00) || (msg[1] != (unsigned char)block_type)) {
+    result = CRYPT_INVALID_PACKET;
+    goto bail;
+  }
+
+  if (block_type == LTC_LTC_PKCS_1_EME) {
+    for (i = 2; i < modulus_len; i++) {
+      /* separator */
+      if (msg[i] == 0x00) { break; }
+    }
+    ps_len = i++ - 2;
+
+    if ((i >= modulus_len) || (ps_len < 8)) {
+      /* There was no octet with hexadecimal value 0x00 to separate ps from m,
+       * or the length of ps is less than 8 octets.
+       */
+      result = CRYPT_INVALID_PACKET;
+      goto bail;
+    }
+  } else {
+    for (i = 2; i < modulus_len - 1; i++) {
+       if (msg[i] != 0xFF) { break; }
+    }
+
+    /* separator check */
+    if (msg[i] != 0) {
+      /* There was no octet with hexadecimal value 0x00 to separate ps from m. */
+      result = CRYPT_INVALID_PACKET;
+      goto bail;
+    }
+
+    ps_len = i - 2;
+  }
+
+  if (*outlen < (msglen - (2 + ps_len + 1))) {
+    *outlen = msglen - (2 + ps_len + 1);
+    result = CRYPT_BUFFER_OVERFLOW;
+    goto bail;
+  }
+
+  *outlen = (msglen - (2 + ps_len + 1));
+  XMEMCPY(out, &msg[2 + ps_len + 1], *outlen);
+
+  /* valid packet */
+  *is_valid = 1;
+  result    = CRYPT_OK;
+bail:
+  return result;
+} /* pkcs_1_v1_5_decode */
+
+#endif /* #ifdef LTC_PKCS_1 */
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/pkcs1/pkcs_1_v1_5_decode.c,v $ */
+/* $Revision: 1.7 $ */
+/* $Date: 2007/05/12 14:32:35 $ */
diff --git a/src/libtomcrypt/src/pk/rsa/rsa_exptmod.c b/src/libtomcrypt/src/pk/rsa/rsa_exptmod.c
new file mode 100644
index 0000000..ba44106
--- /dev/null
+++ b/src/libtomcrypt/src/pk/rsa/rsa_exptmod.c
@@ -0,0 +1,113 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file rsa_exptmod.c
+  RSA LTC_PKCS exptmod, Tom St Denis
+*/  
+
+#ifdef LTC_MRSA
+
+/** 
+   Compute an RSA modular exponentiation 
+   @param in         The input data to send into RSA
+   @param inlen      The length of the input (octets)
+   @param out        [out] The destination 
+   @param outlen     [in/out] The max size and resulting size of the output
+   @param which      Which exponent to use, e.g. PK_PRIVATE or PK_PUBLIC
+   @param key        The RSA key to use 
+   @return CRYPT_OK if successful
+*/   
+int rsa_exptmod(const unsigned char *in,   unsigned long inlen,
+                      unsigned char *out,  unsigned long *outlen, int which,
+                      rsa_key *key)
+{
+   void         *tmp, *tmpa, *tmpb;
+   unsigned long x;
+   int           err;
+
+   LTC_ARGCHK(in     != NULL);
+   LTC_ARGCHK(out    != NULL);
+   LTC_ARGCHK(outlen != NULL);
+   LTC_ARGCHK(key    != NULL);
+  
+   /* is the key of the right type for the operation? */
+   if (which == PK_PRIVATE && (key->type != PK_PRIVATE)) {
+      return CRYPT_PK_NOT_PRIVATE;
+   }
+
+   /* must be a private or public operation */
+   if (which != PK_PRIVATE && which != PK_PUBLIC) {
+      return CRYPT_PK_INVALID_TYPE;
+   }
+
+   /* init and copy into tmp */
+   if ((err = mp_init_multi(&tmp, &tmpa, &tmpb, NULL)) != CRYPT_OK)                                    { return err; }
+   if ((err = mp_read_unsigned_bin(tmp, (unsigned char *)in, (int)inlen)) != CRYPT_OK)                 { goto error; }
+
+   /* sanity check on the input */
+   if (mp_cmp(key->N, tmp) == LTC_MP_LT) {
+      err = CRYPT_PK_INVALID_SIZE;
+      goto error;
+   }
+
+   /* are we using the private exponent and is the key optimized? */
+   if (which == PK_PRIVATE) {
+      /* tmpa = tmp^dP mod p */
+      if ((err = mp_exptmod(tmp, key->dP, key->p, tmpa)) != CRYPT_OK)                               { goto error; }
+
+      /* tmpb = tmp^dQ mod q */
+      if ((err = mp_exptmod(tmp, key->dQ, key->q, tmpb)) != CRYPT_OK)                               { goto error; }
+
+      /* tmp = (tmpa - tmpb) * qInv (mod p) */
+      if ((err = mp_sub(tmpa, tmpb, tmp)) != CRYPT_OK)                                              { goto error; }
+      if ((err = mp_mulmod(tmp, key->qP, key->p, tmp)) != CRYPT_OK)                                { goto error; }
+
+      /* tmp = tmpb + q * tmp */
+      if ((err = mp_mul(tmp, key->q, tmp)) != CRYPT_OK)                                             { goto error; }
+      if ((err = mp_add(tmp, tmpb, tmp)) != CRYPT_OK)                                               { goto error; }
+   } else {
+      /* exptmod it */
+      if ((err = mp_exptmod(tmp, key->e, key->N, tmp)) != CRYPT_OK)                                { goto error; }
+   }
+
+   /* read it back */
+   x = (unsigned long)mp_unsigned_bin_size(key->N);
+   if (x > *outlen) {
+      *outlen = x;
+      err = CRYPT_BUFFER_OVERFLOW;
+      goto error;
+   }
+
+   /* this should never happen ... */
+   if (mp_unsigned_bin_size(tmp) > mp_unsigned_bin_size(key->N)) {
+      err = CRYPT_ERROR;
+      goto error;
+   }
+   *outlen = x;
+
+   /* convert it */
+   zeromem(out, x);
+   if ((err = mp_to_unsigned_bin(tmp, out+(x-mp_unsigned_bin_size(tmp)))) != CRYPT_OK)               { goto error; }
+
+   /* clean up and return */
+   err = CRYPT_OK;
+error:
+   mp_clear_multi(tmp, tmpa, tmpb, NULL);
+   return err;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/rsa/rsa_exptmod.c,v $ */
+/* $Revision: 1.18 $ */
+/* $Date: 2007/05/12 14:32:35 $ */
diff --git a/src/libtomcrypt/src/pk/rsa/rsa_free.c b/src/libtomcrypt/src/pk/rsa/rsa_free.c
new file mode 100644
index 0000000..a10ed59
--- /dev/null
+++ b/src/libtomcrypt/src/pk/rsa/rsa_free.c
@@ -0,0 +1,34 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file rsa_free.c
+  Free an RSA key, Tom St Denis
+*/  
+
+#ifdef LTC_MRSA
+
+/**
+  Free an RSA key from memory
+  @param key   The RSA key to free
+*/
+void rsa_free(rsa_key *key)
+{
+   LTC_ARGCHKVD(key != NULL);
+   mp_clear_multi(key->e, key->d, key->N, key->dQ, key->dP, key->qP, key->p, key->q, NULL);
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/rsa/rsa_free.c,v $ */
+/* $Revision: 1.10 $ */
+/* $Date: 2007/05/12 14:32:35 $ */
diff --git a/src/libtomcrypt/src/pk/rsa/rsa_import.c b/src/libtomcrypt/src/pk/rsa/rsa_import.c
new file mode 100644
index 0000000..6254fd7
--- /dev/null
+++ b/src/libtomcrypt/src/pk/rsa/rsa_import.c
@@ -0,0 +1,143 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file rsa_import.c
+  Import a LTC_PKCS RSA key, Tom St Denis
+*/  
+
+#ifdef LTC_MRSA
+
+/**
+  Import an RSAPublicKey or RSAPrivateKey [two-prime only, only support >= 1024-bit keys, defined in LTC_PKCS #1 v2.1]
+  @param in      The packet to import from
+  @param inlen   It's length (octets)
+  @param key     [out] Destination for newly imported key
+  @return CRYPT_OK if successful, upon error allocated memory is freed
+*/
+int rsa_import(const unsigned char *in, unsigned long inlen, rsa_key *key)
+{
+   int           err;
+   void         *zero;
+   unsigned char *tmpbuf;
+   unsigned long  t, x, y, z, tmpoid[16];
+   ltc_asn1_list ssl_pubkey_hashoid[2];
+   ltc_asn1_list ssl_pubkey[2];
+
+   LTC_ARGCHK(in          != NULL);
+   LTC_ARGCHK(key         != NULL);
+   LTC_ARGCHK(ltc_mp.name != NULL);
+
+   /* init key */
+   if ((err = mp_init_multi(&key->e, &key->d, &key->N, &key->dQ, 
+                            &key->dP, &key->qP, &key->p, &key->q, NULL)) != CRYPT_OK) {
+      return err;
+   }
+
+   /* see if the OpenSSL DER format RSA public key will work */
+   tmpbuf = XCALLOC(1, MAX_RSA_SIZE*8);
+   if (tmpbuf == NULL) {
+       err = CRYPT_MEM;
+       goto LBL_ERR;
+   }
+
+   /* this includes the internal hash ID and optional params (NULL in this case) */
+   LTC_SET_ASN1(ssl_pubkey_hashoid, 0, LTC_ASN1_OBJECT_IDENTIFIER, tmpoid,                sizeof(tmpoid)/sizeof(tmpoid[0]));   
+   LTC_SET_ASN1(ssl_pubkey_hashoid, 1, LTC_ASN1_NULL,              NULL,                  0);
+
+   /* the actual format of the SSL DER key is odd, it stores a RSAPublicKey in a **BIT** string ... so we have to extract it
+      then proceed to convert bit to octet 
+    */
+   LTC_SET_ASN1(ssl_pubkey, 0,         LTC_ASN1_SEQUENCE,          &ssl_pubkey_hashoid,   2);
+   LTC_SET_ASN1(ssl_pubkey, 1,         LTC_ASN1_BIT_STRING,        tmpbuf,                MAX_RSA_SIZE*8);
+
+   if (der_decode_sequence(in, inlen,
+                           ssl_pubkey, 2UL) == CRYPT_OK) {
+
+      /* ok now we have to reassemble the BIT STRING to an OCTET STRING.  Thanks OpenSSL... */
+      for (t = y = z = x = 0; x < ssl_pubkey[1].size; x++) {
+          y = (y << 1) | tmpbuf[x];
+          if (++z == 8) {
+             tmpbuf[t++] = (unsigned char)y;
+             y           = 0;
+             z           = 0;
+          }
+      }
+
+      /* now it should be SEQUENCE { INTEGER, INTEGER } */
+      if ((err = der_decode_sequence_multi(tmpbuf, t,
+                                           LTC_ASN1_INTEGER, 1UL, key->N, 
+                                           LTC_ASN1_INTEGER, 1UL, key->e, 
+                                           LTC_ASN1_EOL,     0UL, NULL)) != CRYPT_OK) {
+         XFREE(tmpbuf);
+         goto LBL_ERR;
+      }
+      XFREE(tmpbuf);
+      key->type = PK_PUBLIC;
+      return CRYPT_OK;
+   }
+   XFREE(tmpbuf);
+
+   /* not SSL public key, try to match against LTC_PKCS #1 standards */
+   if ((err = der_decode_sequence_multi(in, inlen, 
+                                  LTC_ASN1_INTEGER, 1UL, key->N, 
+                                  LTC_ASN1_EOL,     0UL, NULL)) != CRYPT_OK) {
+      goto LBL_ERR;
+   }
+
+   if (mp_cmp_d(key->N, 0) == LTC_MP_EQ) {
+      if ((err = mp_init(&zero)) != CRYPT_OK) { 
+         goto LBL_ERR;
+      }
+      /* it's a private key */
+      if ((err = der_decode_sequence_multi(in, inlen, 
+                          LTC_ASN1_INTEGER, 1UL, zero, 
+                          LTC_ASN1_INTEGER, 1UL, key->N, 
+                          LTC_ASN1_INTEGER, 1UL, key->e,
+                          LTC_ASN1_INTEGER, 1UL, key->d, 
+                          LTC_ASN1_INTEGER, 1UL, key->p, 
+                          LTC_ASN1_INTEGER, 1UL, key->q, 
+                          LTC_ASN1_INTEGER, 1UL, key->dP,
+                          LTC_ASN1_INTEGER, 1UL, key->dQ, 
+                          LTC_ASN1_INTEGER, 1UL, key->qP, 
+                          LTC_ASN1_EOL,     0UL, NULL)) != CRYPT_OK) {
+         mp_clear(zero);
+         goto LBL_ERR;
+      }
+      mp_clear(zero);
+      key->type = PK_PRIVATE;
+   } else if (mp_cmp_d(key->N, 1) == LTC_MP_EQ) {
+      /* we don't support multi-prime RSA */
+      err = CRYPT_PK_INVALID_TYPE;
+      goto LBL_ERR;
+   } else {
+      /* it's a public key and we lack e */
+      if ((err = der_decode_sequence_multi(in, inlen, 
+                                     LTC_ASN1_INTEGER, 1UL, key->N, 
+                                     LTC_ASN1_INTEGER, 1UL, key->e, 
+                                     LTC_ASN1_EOL,     0UL, NULL)) != CRYPT_OK) {
+         goto LBL_ERR;
+      }
+      key->type = PK_PUBLIC;
+   }
+   return CRYPT_OK;
+LBL_ERR:
+   mp_clear_multi(key->d,  key->e, key->N, key->dQ, key->dP, key->qP, key->p, key->q, NULL);
+   return err;
+}
+
+#endif /* LTC_MRSA */
+
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/rsa/rsa_import.c,v $ */
+/* $Revision: 1.23 $ */
+/* $Date: 2007/05/12 14:32:35 $ */
diff --git a/src/libtomcrypt/src/pk/rsa/rsa_make_key.c b/src/libtomcrypt/src/pk/rsa/rsa_make_key.c
new file mode 100644
index 0000000..bd37b4a
--- /dev/null
+++ b/src/libtomcrypt/src/pk/rsa/rsa_make_key.c
@@ -0,0 +1,112 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file rsa_make_key.c
+  RSA key generation, Tom St Denis
+*/  
+
+#ifdef LTC_MRSA
+
+/** 
+   Create an RSA key
+   @param prng     An active PRNG state
+   @param wprng    The index of the PRNG desired
+   @param size     The size of the modulus (key size) desired (octets)
+   @param e        The "e" value (public key).  e==65537 is a good choice
+   @param key      [out] Destination of a newly created private key pair
+   @return CRYPT_OK if successful, upon error all allocated ram is freed
+*/
+int rsa_make_key(prng_state *prng, int wprng, int size, long e, rsa_key *key)
+{
+   void *p, *q, *tmp1, *tmp2, *tmp3;
+   int    err;
+
+   LTC_ARGCHK(ltc_mp.name != NULL);
+   LTC_ARGCHK(key         != NULL);
+
+   if ((size < (MIN_RSA_SIZE/8)) || (size > (MAX_RSA_SIZE/8))) {
+      return CRYPT_INVALID_KEYSIZE;
+   }
+
+   if ((e < 3) || ((e & 1) == 0)) {
+      return CRYPT_INVALID_ARG;
+   }
+
+   if ((err = prng_is_valid(wprng)) != CRYPT_OK) {
+      return err;
+   }
+
+   if ((err = mp_init_multi(&p, &q, &tmp1, &tmp2, &tmp3, NULL)) != CRYPT_OK) {
+      return err;
+   }
+
+   /* make primes p and q (optimization provided by Wayne Scott) */
+   if ((err = mp_set_int(tmp3, e)) != CRYPT_OK)                      { goto errkey; }  /* tmp3 = e */
+
+   /* make prime "p" */
+   do {
+       if ((err = rand_prime( p, size/2, prng, wprng)) != CRYPT_OK)  { goto errkey; }
+       if ((err = mp_sub_d( p, 1,  tmp1)) != CRYPT_OK)               { goto errkey; }  /* tmp1 = p-1 */
+       if ((err = mp_gcd( tmp1,  tmp3,  tmp2)) != CRYPT_OK)          { goto errkey; }  /* tmp2 = gcd(p-1, e) */
+   } while (mp_cmp_d( tmp2, 1) != 0);                                                  /* while e divides p-1 */
+
+   /* make prime "q" */
+   do {
+       if ((err = rand_prime( q, size/2, prng, wprng)) != CRYPT_OK)  { goto errkey; }
+       if ((err = mp_sub_d( q, 1,  tmp1)) != CRYPT_OK)               { goto errkey; } /* tmp1 = q-1 */
+       if ((err = mp_gcd( tmp1,  tmp3,  tmp2)) != CRYPT_OK)          { goto errkey; } /* tmp2 = gcd(q-1, e) */
+   } while (mp_cmp_d( tmp2, 1) != 0);                                                 /* while e divides q-1 */
+
+   /* tmp1 = lcm(p-1, q-1) */
+   if ((err = mp_sub_d( p, 1,  tmp2)) != CRYPT_OK)                   { goto errkey; } /* tmp2 = p-1 */
+                                                                                      /* tmp1 = q-1 (previous do/while loop) */
+   if ((err = mp_lcm( tmp1,  tmp2,  tmp1)) != CRYPT_OK)              { goto errkey; } /* tmp1 = lcm(p-1, q-1) */
+
+   /* make key */
+   if ((err = mp_init_multi(&key->e, &key->d, &key->N, &key->dQ, &key->dP, &key->qP, &key->p, &key->q, NULL)) != CRYPT_OK) {
+      goto errkey;
+   }
+
+   if ((err = mp_set_int( key->e, e)) != CRYPT_OK)                     { goto errkey; } /* key->e =  e */
+   if ((err = mp_invmod( key->e,  tmp1,  key->d)) != CRYPT_OK)         { goto errkey; } /* key->d = 1/e mod lcm(p-1,q-1) */
+   if ((err = mp_mul( p,  q,  key->N)) != CRYPT_OK)                    { goto errkey; } /* key->N = pq */
+
+   /* optimize for CRT now */
+   /* find d mod q-1 and d mod p-1 */
+   if ((err = mp_sub_d( p, 1,  tmp1)) != CRYPT_OK)                     { goto errkey; } /* tmp1 = q-1 */
+   if ((err = mp_sub_d( q, 1,  tmp2)) != CRYPT_OK)                     { goto errkey; } /* tmp2 = p-1 */
+   if ((err = mp_mod( key->d,  tmp1,  key->dP)) != CRYPT_OK)           { goto errkey; } /* dP = d mod p-1 */
+   if ((err = mp_mod( key->d,  tmp2,  key->dQ)) != CRYPT_OK)           { goto errkey; } /* dQ = d mod q-1 */
+   if ((err = mp_invmod( q,  p,  key->qP)) != CRYPT_OK)                { goto errkey; } /* qP = 1/q mod p */
+
+   if ((err = mp_copy( p,  key->p)) != CRYPT_OK)                       { goto errkey; }
+   if ((err = mp_copy( q,  key->q)) != CRYPT_OK)                       { goto errkey; }
+
+   /* set key type (in this case it's CRT optimized) */
+   key->type = PK_PRIVATE;
+
+   /* return ok and free temps */
+   err       = CRYPT_OK;
+   goto cleanup;
+errkey:
+   mp_clear_multi(key->d, key->e, key->N, key->dQ, key->dP, key->qP, key->p, key->q, NULL);
+cleanup:
+   mp_clear_multi(tmp3, tmp2, tmp1, p, q, NULL);
+   return err;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/rsa/rsa_make_key.c,v $ */
+/* $Revision: 1.16 $ */
+/* $Date: 2007/05/12 14:32:35 $ */
diff --git a/src/libtomcrypt/src/pk/rsa/rsa_verify_hash.c b/src/libtomcrypt/src/pk/rsa/rsa_verify_hash.c
new file mode 100644
index 0000000..103ae2f
--- /dev/null
+++ b/src/libtomcrypt/src/pk/rsa/rsa_verify_hash.c
@@ -0,0 +1,167 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file rsa_verify_hash.c
+  RSA LTC_PKCS #1 v1.5 or v2 PSS signature verification, Tom St Denis and Andreas Lange
+*/
+
+#ifdef LTC_MRSA
+
+/**
+  LTC_PKCS #1 de-sign then v1.5 or PSS depad
+  @param sig              The signature data
+  @param siglen           The length of the signature data (octets)
+  @param hash             The hash of the message that was signed
+  @param hashlen          The length of the hash of the message that was signed (octets)
+  @param padding          Type of padding (LTC_LTC_PKCS_1_PSS or LTC_LTC_PKCS_1_V1_5)
+  @param hash_idx         The index of the desired hash
+  @param saltlen          The length of the salt used during signature
+  @param stat             [out] The result of the signature comparison, 1==valid, 0==invalid
+  @param key              The public RSA key corresponding to the key that performed the signature
+  @return CRYPT_OK on success (even if the signature is invalid)
+*/
+int rsa_verify_hash_ex(const unsigned char *sig,      unsigned long siglen,
+                       const unsigned char *hash,     unsigned long hashlen,
+                             int            padding,
+                             int            hash_idx, unsigned long saltlen,
+                             int           *stat,     rsa_key      *key)
+{
+  unsigned long modulus_bitlen, modulus_bytelen, x;
+  int           err;
+  unsigned char *tmpbuf;
+
+  LTC_ARGCHK(hash  != NULL);
+  LTC_ARGCHK(sig   != NULL);
+  LTC_ARGCHK(stat  != NULL);
+  LTC_ARGCHK(key   != NULL);
+
+  /* default to invalid */
+  *stat = 0;
+
+  /* valid padding? */
+
+  if ((padding != LTC_LTC_PKCS_1_V1_5) &&
+      (padding != LTC_LTC_PKCS_1_PSS)) {
+    return CRYPT_PK_INVALID_PADDING;
+  }
+
+  if (padding == LTC_LTC_PKCS_1_PSS) {
+    /* valid hash ? */
+    if ((err = hash_is_valid(hash_idx)) != CRYPT_OK) {
+       return err;
+    }
+  }
+
+  /* get modulus len in bits */
+  modulus_bitlen = mp_count_bits( (key->N));
+
+  /* outlen must be at least the size of the modulus */
+  modulus_bytelen = mp_unsigned_bin_size( (key->N));
+  if (modulus_bytelen != siglen) {
+     return CRYPT_INVALID_PACKET;
+  }
+
+  /* allocate temp buffer for decoded sig */
+  tmpbuf = XMALLOC(siglen);
+  if (tmpbuf == NULL) {
+     return CRYPT_MEM;
+  }
+
+  /* RSA decode it  */
+  x = siglen;
+  if ((err = ltc_mp.rsa_me(sig, siglen, tmpbuf, &x, PK_PUBLIC, key)) != CRYPT_OK) {
+     XFREE(tmpbuf);
+     return err;
+  }
+
+  /* make sure the output is the right size */
+  if (x != siglen) {
+     XFREE(tmpbuf);
+     return CRYPT_INVALID_PACKET;
+  }
+
+  if (padding == LTC_LTC_PKCS_1_PSS) {
+    /* PSS decode and verify it */
+    err = pkcs_1_pss_decode(hash, hashlen, tmpbuf, x, saltlen, hash_idx, modulus_bitlen, stat);
+  } else {
+    /* LTC_PKCS #1 v1.5 decode it */
+    unsigned char *out;
+    unsigned long outlen, loid[16];
+    int           decoded;
+    ltc_asn1_list digestinfo[2], siginfo[2];
+
+    /* not all hashes have OIDs... so sad */
+    if (hash_descriptor[hash_idx].OIDlen == 0) {
+       err = CRYPT_INVALID_ARG;
+       goto bail_2;
+    }
+
+    /* allocate temp buffer for decoded hash */
+    outlen = ((modulus_bitlen >> 3) + (modulus_bitlen & 7 ? 1 : 0)) - 3;
+    out    = XMALLOC(outlen);
+    if (out == NULL) {
+      err = CRYPT_MEM;
+      goto bail_2;
+    }
+
+    if ((err = pkcs_1_v1_5_decode(tmpbuf, x, LTC_LTC_PKCS_1_EMSA, modulus_bitlen, out, &outlen, &decoded)) != CRYPT_OK) {
+      XFREE(out);       
+      goto bail_2;
+    }
+
+    /* now we must decode out[0...outlen-1] using ASN.1, test the OID and then test the hash */
+    /* construct the SEQUENCE 
+      SEQUENCE {
+         SEQUENCE {hashoid OID
+                   blah    NULL
+         }
+         hash    OCTET STRING 
+      }
+   */
+    LTC_SET_ASN1(digestinfo, 0, LTC_ASN1_OBJECT_IDENTIFIER, loid, sizeof(loid)/sizeof(loid[0]));
+    LTC_SET_ASN1(digestinfo, 1, LTC_ASN1_NULL,              NULL,                          0);
+    LTC_SET_ASN1(siginfo,    0, LTC_ASN1_SEQUENCE,          digestinfo,                    2);
+    LTC_SET_ASN1(siginfo,    1, LTC_ASN1_OCTET_STRING,      tmpbuf,                        siglen);
+   
+    if ((err = der_decode_sequence(out, outlen, siginfo, 2)) != CRYPT_OK) {
+       XFREE(out);
+       goto bail_2;
+    }
+
+    /* test OID */
+    if ((digestinfo[0].size == hash_descriptor[hash_idx].OIDlen) &&
+        (XMEMCMP(digestinfo[0].data, hash_descriptor[hash_idx].OID, sizeof(unsigned long) * hash_descriptor[hash_idx].OIDlen) == 0) &&
+        (siginfo[1].size == hashlen) &&
+        (XMEMCMP(siginfo[1].data, hash, hashlen) == 0)) {
+       *stat = 1;
+    }
+
+#ifdef LTC_CLEAN_STACK
+    zeromem(out, outlen);
+#endif
+    XFREE(out);
+  }
+
+bail_2:
+#ifdef LTC_CLEAN_STACK
+  zeromem(tmpbuf, siglen);
+#endif
+  XFREE(tmpbuf);
+  return err;
+}
+
+#endif /* LTC_MRSA */
+
+/* $Source: /cvs/libtom/libtomcrypt/src/pk/rsa/rsa_verify_hash.c,v $ */
+/* $Revision: 1.13 $ */
+/* $Date: 2007/05/12 14:32:35 $ */
diff --git a/src/libtomcrypt/src/pk/rsa/rsa_verify_simple.c b/src/libtomcrypt/src/pk/rsa/rsa_verify_simple.c
new file mode 100644
index 0000000..6d8888c
--- /dev/null
+++ b/src/libtomcrypt/src/pk/rsa/rsa_verify_simple.c
@@ -0,0 +1,87 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtom.org
+ */
+#include "../../headers/tomcrypt.h"
+
+/**
+  @file rsa_verify_simple.c
+  Created by Ladislav Zezula (zezula@volny.cz) as modification
+  for Blizzard strong signature verification
+*/
+
+#ifdef LTC_MRSA
+
+/**
+  Simple RSA decryption
+  @param sig              The signature data
+  @param siglen           The length of the signature data (octets)
+  @param hash             The hash of the message that was signed
+  @param hashlen          The length of the hash of the message that was signed (octets)
+  @param stat             [out] The result of the signature comparison, 1==valid, 0==invalid
+  @param key              The public RSA key corresponding
+  @return Error code
+*/
+int rsa_verify_simple(const unsigned char *sig,  unsigned long siglen,
+                      const unsigned char *hash, unsigned long hashlen,
+                            int           *stat,
+                            rsa_key       *key)
+{
+  unsigned long modulus_bitlen, modulus_bytelen, x;
+  unsigned char *tmpbuf;
+  int           err;
+
+  LTC_ARGCHK(sig  != NULL);
+  LTC_ARGCHK(hash != NULL);
+  LTC_ARGCHK(stat != NULL);
+  LTC_ARGCHK(key  != NULL);
+
+  /* default to invalid */
+  *stat = 0;
+
+  /* get modulus len in bits */
+  modulus_bitlen = mp_count_bits( (key->N));
+
+  /* outlen must be at least the size of the modulus */
+  modulus_bytelen = mp_unsigned_bin_size( (key->N));
+  if (modulus_bytelen != siglen) {
+     return CRYPT_INVALID_PACKET;
+  }
+
+  /* allocate temp buffer for decoded sig */
+  tmpbuf = XMALLOC(siglen);
+  if (tmpbuf == NULL) {
+     return CRYPT_MEM;
+  }
+
+  /* RSA decode it  */
+  x = siglen;
+  if ((err = ltc_mp.rsa_me(sig, siglen, tmpbuf, &x, PK_PUBLIC, key)) != CRYPT_OK) {
+     XFREE(tmpbuf);
+     return err;
+  }
+
+  /* make sure the output is the right size */
+  if (x != siglen) {
+     XFREE(tmpbuf);
+     return CRYPT_INVALID_PACKET;
+  }
+
+  /* compare the decrypted signature with the given hash */
+  if(x == hashlen && XMEMCMP(tmpbuf, hash, hashlen) == 0)
+      *stat = 1;
+       
+#ifdef LTC_CLEAN_STACK
+  zeromem(tmpbuf, siglen);
+#endif
+  XFREE(tmpbuf);
+  return CRYPT_OK;
+}
+
+#endif /* LTC_MRSA */