diff options
Diffstat (limited to 'dep/CascLib/src/md5/md5.cpp')
| -rw-r--r-- | dep/CascLib/src/md5/md5.cpp | 86 |
1 files changed, 43 insertions, 43 deletions
diff --git a/dep/CascLib/src/md5/md5.cpp b/dep/CascLib/src/md5/md5.cpp index b6cc49db42b..688269953a0 100644 --- a/dep/CascLib/src/md5/md5.cpp +++ b/dep/CascLib/src/md5/md5.cpp @@ -36,11 +36,11 @@ */ #ifndef HAVE_OPENSSL - + #include <string.h> - + #include "md5.h" - + /* * The basic MD5 functions. * @@ -53,7 +53,7 @@ #define H(x, y, z) (((x) ^ (y)) ^ (z)) #define H2(x, y, z) ((x) ^ ((y) ^ (z))) #define I(x, y, z) ((y) ^ ((x) | ~(z))) - + /* * The MD5 transformation for all four rounds. */ @@ -61,7 +61,7 @@ (a) += f((b), (c), (d)) + (x) + (t); \ (a) = (((a) << (s)) | (((a) & 0xffffffff) >> (32 - (s)))); \ (a) += (b); - + /* * SET reads 4 input bytes in little-endian byte order and stores them in a * properly aligned word in host byte order. @@ -102,20 +102,20 @@ static const void *body(MD5_CTX *ctx, const void *data, unsigned long size) const unsigned char *ptr; MD5_u32plus a, b, c, d; MD5_u32plus saved_a, saved_b, saved_c, saved_d; - + ptr = (const unsigned char *)data; - + a = ctx->a; b = ctx->b; c = ctx->c; d = ctx->d; - + do { saved_a = a; saved_b = b; saved_c = c; saved_d = d; - + /* Round 1 */ STEP(F, a, b, c, d, SET(0), 0xd76aa478, 7) STEP(F, d, a, b, c, SET(1), 0xe8c7b756, 12) @@ -133,7 +133,7 @@ static const void *body(MD5_CTX *ctx, const void *data, unsigned long size) STEP(F, d, a, b, c, SET(13), 0xfd987193, 12) STEP(F, c, d, a, b, SET(14), 0xa679438e, 17) STEP(F, b, c, d, a, SET(15), 0x49b40821, 22) - + /* Round 2 */ STEP(G, a, b, c, d, GET(1), 0xf61e2562, 5) STEP(G, d, a, b, c, GET(6), 0xc040b340, 9) @@ -151,7 +151,7 @@ static const void *body(MD5_CTX *ctx, const void *data, unsigned long size) STEP(G, d, a, b, c, GET(2), 0xfcefa3f8, 9) STEP(G, c, d, a, b, GET(7), 0x676f02d9, 14) STEP(G, b, c, d, a, GET(12), 0x8d2a4c8a, 20) - + /* Round 3 */ STEP(H, a, b, c, d, GET(5), 0xfffa3942, 4) STEP(H2, d, a, b, c, GET(8), 0x8771f681, 11) @@ -169,7 +169,7 @@ static const void *body(MD5_CTX *ctx, const void *data, unsigned long size) STEP(H2, d, a, b, c, GET(12), 0xe6db99e5, 11) STEP(H, c, d, a, b, GET(15), 0x1fa27cf8, 16) STEP(H2, b, c, d, a, GET(2), 0xc4ac5665, 23) - + /* Round 4 */ STEP(I, a, b, c, d, GET(0), 0xf4292244, 6) STEP(I, d, a, b, c, GET(7), 0x432aff97, 10) @@ -187,20 +187,20 @@ static const void *body(MD5_CTX *ctx, const void *data, unsigned long size) STEP(I, d, a, b, c, GET(11), 0xbd3af235, 10) STEP(I, c, d, a, b, GET(2), 0x2ad7d2bb, 15) STEP(I, b, c, d, a, GET(9), 0xeb86d391, 21) - + a += saved_a; b += saved_b; c += saved_c; d += saved_d; - + ptr += 64; } while (size -= 64); - + ctx->a = a; ctx->b = b; ctx->c = c; ctx->d = d; - + return ptr; } @@ -210,81 +210,81 @@ void MD5_Init(MD5_CTX *ctx) ctx->b = 0xefcdab89; ctx->c = 0x98badcfe; ctx->d = 0x10325476; - + ctx->lo = 0; ctx->hi = 0; } - + void MD5_Update(MD5_CTX *ctx, const void *data, unsigned long size) { MD5_u32plus saved_lo; unsigned long used, available; - + saved_lo = ctx->lo; if ((ctx->lo = (saved_lo + size) & 0x1fffffff) < saved_lo) ctx->hi++; ctx->hi += size >> 29; - + used = saved_lo & 0x3f; - + if (used) { available = 64 - used; - + if (size < available) { memcpy(&ctx->buffer[used], data, size); return; } - + memcpy(&ctx->buffer[used], data, available); data = (const unsigned char *)data + available; size -= available; body(ctx, ctx->buffer, 64); } - + if (size >= 64) { data = body(ctx, data, size & ~(unsigned long)0x3f); size &= 0x3f; } - + memcpy(ctx->buffer, data, size); } - -#define OUT(dst, src) \ + +#define PUT_VALUE32(dst, src) \ (dst)[0] = (unsigned char)(src); \ (dst)[1] = (unsigned char)((src) >> 8); \ (dst)[2] = (unsigned char)((src) >> 16); \ (dst)[3] = (unsigned char)((src) >> 24); - + void MD5_Final(unsigned char *result, MD5_CTX *ctx) { unsigned long used, available; - + used = ctx->lo & 0x3f; - + ctx->buffer[used++] = 0x80; - + available = 64 - used; - + if (available < 8) { memset(&ctx->buffer[used], 0, available); body(ctx, ctx->buffer, 64); used = 0; available = 64; } - + memset(&ctx->buffer[used], 0, available - 8); - + ctx->lo <<= 3; - OUT(&ctx->buffer[56], ctx->lo) - OUT(&ctx->buffer[60], ctx->hi) - + PUT_VALUE32(&ctx->buffer[56], ctx->lo) + PUT_VALUE32(&ctx->buffer[60], ctx->hi) + body(ctx, ctx->buffer, 64); - - OUT(&result[0], ctx->a) - OUT(&result[4], ctx->b) - OUT(&result[8], ctx->c) - OUT(&result[12], ctx->d) - + + PUT_VALUE32(&result[0], ctx->a) + PUT_VALUE32(&result[4], ctx->b) + PUT_VALUE32(&result[8], ctx->c) + PUT_VALUE32(&result[12], ctx->d) + memset(ctx, 0, sizeof(*ctx)); } |