1 files changed, 81 insertions, 0 deletions
diff --git a/src/server/shared/Auth/AuthCrypt.cpp b/src/server/shared/Auth/AuthCrypt.cpp
new file mode 100644
index 00000000000..b34b922b16a
--- /dev/null
+++ b/src/server/shared/Auth/AuthCrypt.cpp
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
+ *
+ * Copyright (C) 2008-2010 Trinity <http://www.trinitycore.org/>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "AuthCrypt.h"
+#include "Hmac.h"
+#include "Log.h"
+#include "BigNumber.h"
+
+AuthCrypt::AuthCrypt() : _clientDecrypt(SHA_DIGEST_LENGTH), _serverEncrypt(SHA_DIGEST_LENGTH)
+{
+    _initialized = false;
+}
+
+AuthCrypt::~AuthCrypt()
+{
+
+}
+
+void AuthCrypt::Init(BigNumber *K)
+{
+    uint8 ServerEncryptionKey[SEED_KEY_SIZE] = { 0xCC, 0x98, 0xAE, 0x04, 0xE8, 0x97, 0xEA, 0xCA, 0x12, 0xDD, 0xC0, 0x93, 0x42, 0x91, 0x53, 0x57 };
+    HmacHash serverEncryptHmac(SEED_KEY_SIZE, (uint8*)ServerEncryptionKey);
+    uint8 *encryptHash = serverEncryptHmac.ComputeHash(K);
+
+    uint8 ServerDecryptionKey[SEED_KEY_SIZE] = { 0xC2, 0xB3, 0x72, 0x3C, 0xC6, 0xAE, 0xD9, 0xB5, 0x34, 0x3C, 0x53, 0xEE, 0x2F, 0x43, 0x67, 0xCE };
+    HmacHash clientDecryptHmac(SEED_KEY_SIZE, (uint8*)ServerDecryptionKey);
+    uint8 *decryptHash = clientDecryptHmac.ComputeHash(K);
+
+    //SARC4 _serverDecrypt(encryptHash);
+    _clientDecrypt.Init(decryptHash);
+    _serverEncrypt.Init(encryptHash);
+    //SARC4 _clientEncrypt(decryptHash);
+
+    uint8 syncBuf[1024];
+
+    memset(syncBuf, 0, 1024);
+
+    _serverEncrypt.UpdateData(1024, syncBuf);
+    //_clientEncrypt.UpdateData(1024, syncBuf);
+
+    memset(syncBuf, 0, 1024);
+
+    //_serverDecrypt.UpdateData(1024, syncBuf);
+    _clientDecrypt.UpdateData(1024, syncBuf);
+
+    _initialized = true;
+}
+
+void AuthCrypt::DecryptRecv(uint8 *data, size_t len)
+{
+    if (!_initialized)
+        return;
+
+    _clientDecrypt.UpdateData(len, data);
+}
+
+void AuthCrypt::EncryptSend(uint8 *data, size_t len)
+{
+    if (!_initialized)
+        return;
+
+    _serverEncrypt.UpdateData(len, data);
+}
+