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80 lines
2.3 KiB
C++
80 lines
2.3 KiB
C++
/*
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* Copyright (C) 2005-2010 MaNGOS <http://getmangos.com/>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "AuthCrypt.h"
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#include "HMACSHA1.h"
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#include "Log.h"
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#include "BigNumber.h"
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AuthCrypt::AuthCrypt() : _clientDecrypt(SHA_DIGEST_LENGTH), _serverEncrypt(SHA_DIGEST_LENGTH)
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{
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_initialized = false;
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}
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AuthCrypt::~AuthCrypt()
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{
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}
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void AuthCrypt::Init(BigNumber *K)
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{
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uint8 ServerEncryptionKey[SEED_KEY_SIZE] = { 0xCC, 0x98, 0xAE, 0x04, 0xE8, 0x97, 0xEA, 0xCA, 0x12, 0xDD, 0xC0, 0x93, 0x42, 0x91, 0x53, 0x57 };
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HMACSHA1 serverEncryptHmac(SEED_KEY_SIZE, (uint8*)ServerEncryptionKey);
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uint8 *encryptHash = serverEncryptHmac.ComputeHash(K);
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uint8 ServerDecryptionKey[SEED_KEY_SIZE] = { 0xC2, 0xB3, 0x72, 0x3C, 0xC6, 0xAE, 0xD9, 0xB5, 0x34, 0x3C, 0x53, 0xEE, 0x2F, 0x43, 0x67, 0xCE };
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HMACSHA1 clientDecryptHmac(SEED_KEY_SIZE, (uint8*)ServerDecryptionKey);
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uint8 *decryptHash = clientDecryptHmac.ComputeHash(K);
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//SARC4 _serverDecrypt(encryptHash);
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_clientDecrypt.Init(decryptHash);
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_serverEncrypt.Init(encryptHash);
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//SARC4 _clientEncrypt(decryptHash);
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uint8 syncBuf[1024];
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memset(syncBuf, 0, 1024);
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_serverEncrypt.UpdateData(1024, syncBuf);
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//_clientEncrypt.UpdateData(1024, syncBuf);
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memset(syncBuf, 0, 1024);
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//_serverDecrypt.UpdateData(1024, syncBuf);
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_clientDecrypt.UpdateData(1024, 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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if (!_initialized)
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return;
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_clientDecrypt.UpdateData(len, data);
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}
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void AuthCrypt::EncryptSend(uint8 *data, size_t len)
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{
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if (!_initialized)
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return;
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_serverEncrypt.UpdateData(len, data);
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}
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