Legends-of-Azeroth-Pandaria-5.4.8

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/*
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* This file is part of the Pandaria 5.4.8 Project. See THANKS 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 General Public License as published by the
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* Free Software Foundation; either version 2 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 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 <cstring>
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#include "AuthCrypt.h"
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#include "Cryptography/BigNumber.h"
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#include "Cryptography/HMAC.h"
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AuthCrypt::AuthCrypt() :
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    _initialized(false)
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{ }
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void AuthCrypt::Init(SessionKey const& K)
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{
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    uint8 ServerEncryptionKey[] = { 0x08, 0xF1, 0x95, 0x9F, 0x47, 0xE5, 0xD2, 0xDB, 0xA1, 0x3D, 0x77, 0x8F, 0x3F, 0x3E, 0xE7, 0x00 };
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    _serverEncrypt.Init(Trinity::Crypto::HMAC_SHA1::GetDigestOf(ServerEncryptionKey, K));
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    uint8 ServerDecryptionKey[] = { 0x40, 0xAA, 0xD3, 0x92, 0x26, 0x71, 0x43, 0x47, 0x3A, 0x31, 0x08, 0xA6, 0xE7, 0xDC, 0x98, 0x2A };
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    _clientDecrypt.Init(Trinity::Crypto::HMAC_SHA1::GetDigestOf(ServerDecryptionKey, K));
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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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