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https://github.com/mod-playerbots/azerothcore-wotlk.git
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52 lines
1.8 KiB
C++
52 lines
1.8 KiB
C++
/*
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* This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Affero General Public License as published by the
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* Free Software Foundation; either version 3 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "AuthCrypt.h"
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#include "Errors.h"
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#include "HMAC.h"
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AuthCrypt::AuthCrypt() : _initialized(false)
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{
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}
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void AuthCrypt::Init(SessionKey const& K)
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{
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uint8 ServerEncryptionKey[] = { 0xCC, 0x98, 0xAE, 0x04, 0xE8, 0x97, 0xEA, 0xCA, 0x12, 0xDD, 0xC0, 0x93, 0x42, 0x91, 0x53, 0x57 };
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_serverEncrypt.Init(Acore::Crypto::HMAC_SHA1::GetDigestOf(ServerEncryptionKey, K));
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uint8 ServerDecryptionKey[] = { 0xC2, 0xB3, 0x72, 0x3C, 0xC6, 0xAE, 0xD9, 0xB5, 0x34, 0x3C, 0x53, 0xEE, 0x2F, 0x43, 0x67, 0xCE };
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_clientDecrypt.Init(Acore::Crypto::HMAC_SHA1::GetDigestOf(ServerDecryptionKey, K));
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// Drop first 1024 bytes, as WoW uses ARC4-drop1024.
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std::array<uint8, 1024> syncBuf;
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_serverEncrypt.UpdateData(syncBuf);
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_clientDecrypt.UpdateData(syncBuf);
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_initialized = true;
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}
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void AuthCrypt::DecryptRecv(uint8* data, size_t len)
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{
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ASSERT(_initialized);
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_clientDecrypt.UpdateData(data, len);
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}
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void AuthCrypt::EncryptSend(uint8* data, size_t len)
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{
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ASSERT(_initialized);
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_serverEncrypt.UpdateData(data, len);
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}
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