Core/Auth: Battle.net stuff

1 files changed, 39 insertions, 0 deletions

diff --git a/src/server/authserver/Server/BattlenetPacketCrypt.cpp b/src/server/authserver/Server/BattlenetPacketCrypt.cpp
new file mode 100644
index 00000000000..10aa684e10a
--- /dev/null
+++ b/src/server/authserver/Server/BattlenetPacketCrypt.cpp
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2008-2014 TrinityCore <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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "BattlenetPacketCrypt.h"
+#include "Cryptography/HmacHash.h"
+#include "Cryptography/BigNumber.h"
+
+Battlenet::PacketCrypt::PacketCrypt() : ::PacketCrypt(SHA256_DIGEST_LENGTH)
+{
+}
+
+void Battlenet::PacketCrypt::Init(BigNumber* K)
+{
+    uint8 ServerEncryptionKey[SEED_KEY_SIZE] = { 0x68, 0xE0, 0xC7, 0x2E, 0xDD, 0xD6, 0xD2, 0xF3, 0x1E, 0x5A, 0xB1, 0x55, 0xB1, 0x8B, 0x63, 0x1E };
+    HmacHash serverEncryptHmac(SEED_KEY_SIZE, ServerEncryptionKey, EVP_sha256(), SHA256_DIGEST_LENGTH);
+    uint8 *encryptHash = serverEncryptHmac.ComputeHash(K);
+
+    uint8 ClientDecryptionKey[SEED_KEY_SIZE] = { 0xDE, 0xA9, 0x65, 0xAE, 0x54, 0x3A, 0x1E, 0x93, 0x9E, 0x69, 0x0C, 0xAA, 0x68, 0xDE, 0x78, 0x39 };
+    HmacHash clientDecryptHmac(SEED_KEY_SIZE, ClientDecryptionKey, EVP_sha256(), SHA256_DIGEST_LENGTH);
+    uint8 *decryptHash = clientDecryptHmac.ComputeHash(K);
+
+    _clientDecrypt.Init(decryptHash);
+    _serverEncrypt.Init(encryptHash);
+    _initialized = true;
+}