1 files changed, 43 insertions, 0 deletions
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