Core/BuildSystem: Merged crypto into common, cleaned include directory lists (to mimic 3.x buildsystem)

4 files changed, 175 insertions, 0 deletions

diff --git a/src/common/Cryptography/Authentication/PacketCrypt.cpp b/src/common/Cryptography/Authentication/PacketCrypt.cpp
new file mode 100644
index 00000000000..c38bd844327
--- /dev/null
+++ b/src/common/Cryptography/Authentication/PacketCrypt.cpp
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2008-2015 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 "PacketCrypt.h"
+
+PacketCrypt::PacketCrypt(uint32 rc4InitSize)
+    : _clientDecrypt(rc4InitSize), _serverEncrypt(rc4InitSize), _initialized(false)
+{
+}
+
+void PacketCrypt::DecryptRecv(uint8* data, size_t len)
+{
+    if (!_initialized)
+        return;
+
+    _clientDecrypt.UpdateData(len, data);
+}
+
+void PacketCrypt::EncryptSend(uint8* data, size_t len)
+{
+    if (!_initialized)
+        return;
+
+    _serverEncrypt.UpdateData(len, data);
+}
diff --git a/src/common/Cryptography/Authentication/PacketCrypt.h b/src/common/Cryptography/Authentication/PacketCrypt.h
new file mode 100644
index 00000000000..d43cac77e66
--- /dev/null
+++ b/src/common/Cryptography/Authentication/PacketCrypt.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2008-2015 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/>.
+ */
+
+#ifndef _PACKETCRYPT_H
+#define _PACKETCRYPT_H
+
+#include "Cryptography/ARC4.h"
+
+class BigNumber;
+
+class PacketCrypt
+{
+    public:
+        PacketCrypt(uint32 rc4InitSize);
+        virtual ~PacketCrypt() { }
+
+        virtual void Init(BigNumber* K) = 0;
+        void DecryptRecv(uint8* data, size_t length);
+        void EncryptSend(uint8* data, size_t length);
+
+        bool IsInitialized() const { return _initialized; }
+
+    protected:
+        ARC4 _clientDecrypt;
+        ARC4 _serverEncrypt;
+        bool _initialized;
+};
+
+#endif // _PACKETCRYPT_H
diff --git a/src/common/Cryptography/Authentication/WorldPacketCrypt.cpp b/src/common/Cryptography/Authentication/WorldPacketCrypt.cpp
new file mode 100644
index 00000000000..55c9f01908d
--- /dev/null
+++ b/src/common/Cryptography/Authentication/WorldPacketCrypt.cpp
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2008-2015 TrinityCore <http://www.trinitycore.org/>
+ * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
+ *
+ * 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 "WorldPacketCrypt.h"
+#include "Cryptography/HmacHash.h"
+#include "Cryptography/BigNumber.h"
+
+#include <cstring>
+
+WorldPacketCrypt::WorldPacketCrypt() : PacketCrypt(SHA_DIGEST_LENGTH)
+{
+}
+
+void WorldPacketCrypt::Init(BigNumber* K)
+{
+    uint8 ServerEncryptionKey[SEED_KEY_SIZE] = { 0x08, 0xF1, 0x95, 0x9F, 0x47, 0xE5, 0xD2, 0xDB, 0xA1, 0x3D, 0x77, 0x8F, 0x3F, 0x3E, 0xE7, 0x00 };
+    uint8 ServerDecryptionKey[SEED_KEY_SIZE] = { 0x40, 0xAA, 0xD3, 0x92, 0x26, 0x71, 0x43, 0x47, 0x3A, 0x31, 0x08, 0xA6, 0xE7, 0xDC, 0x98, 0x2A };
+    Init(K, ServerEncryptionKey, ServerDecryptionKey);
+}
+
+void WorldPacketCrypt::Init(BigNumber* k, uint8 const* serverKey, uint8 const* clientKey)
+{
+    HmacSha1 serverEncryptHmac(SEED_KEY_SIZE, (uint8*)serverKey);
+    uint8 *encryptHash = serverEncryptHmac.ComputeHash(k);
+
+    HmacSha1 clientDecryptHmac(SEED_KEY_SIZE, (uint8*)clientKey);
+    uint8 *decryptHash = clientDecryptHmac.ComputeHash(k);
+
+    _clientDecrypt.Init(decryptHash);
+    _serverEncrypt.Init(encryptHash);
+
+    // Drop first 1024 bytes, as WoW uses ARC4-drop1024.
+    uint8 syncBuf[1024];
+    memset(syncBuf, 0, 1024);
+
+    _serverEncrypt.UpdateData(1024, syncBuf);
+
+    memset(syncBuf, 0, 1024);
+
+    _clientDecrypt.UpdateData(1024, syncBuf);
+
+    _initialized = true;
+}
diff --git a/src/common/Cryptography/Authentication/WorldPacketCrypt.h b/src/common/Cryptography/Authentication/WorldPacketCrypt.h
new file mode 100644
index 00000000000..dfa54182059
--- /dev/null
+++ b/src/common/Cryptography/Authentication/WorldPacketCrypt.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2008-2015 TrinityCore <http://www.trinitycore.org/>
+ * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
+ *
+ * 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/>.
+ */
+
+#ifndef _WORLDPACKETCRYPT_H
+#define _WORLDPACKETCRYPT_H
+
+#include "PacketCrypt.h"
+
+class BigNumber;
+
+class WorldPacketCrypt : public PacketCrypt
+{
+    public:
+        WorldPacketCrypt();
+
+        void Init(BigNumber* K) override;
+        void Init(BigNumber* k, uint8 const* serverKey, uint8 const* clientKey);
+};
+
+#endif // _WORLDPACKETCRYPT_H