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Core/Build: Merge common library and move database out of shared
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52
src/common/Cryptography/ARC4.cpp
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52
src/common/Cryptography/ARC4.cpp
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/*
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* Copyright (C) 2008-2015 TrinityCore <http://www.trinitycore.org/>
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* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
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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 "ARC4.h"
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#include <openssl/sha.h>
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ARC4::ARC4(uint32 len) : m_ctx()
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{
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EVP_CIPHER_CTX_init(&m_ctx);
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EVP_EncryptInit_ex(&m_ctx, EVP_rc4(), NULL, NULL, NULL);
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EVP_CIPHER_CTX_set_key_length(&m_ctx, len);
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}
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ARC4::ARC4(uint8 *seed, uint32 len) : m_ctx()
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{
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EVP_CIPHER_CTX_init(&m_ctx);
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EVP_EncryptInit_ex(&m_ctx, EVP_rc4(), NULL, NULL, NULL);
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EVP_CIPHER_CTX_set_key_length(&m_ctx, len);
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EVP_EncryptInit_ex(&m_ctx, NULL, NULL, seed, NULL);
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}
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ARC4::~ARC4()
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{
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EVP_CIPHER_CTX_cleanup(&m_ctx);
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}
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void ARC4::Init(uint8 *seed)
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{
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EVP_EncryptInit_ex(&m_ctx, NULL, NULL, seed, NULL);
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}
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void ARC4::UpdateData(int len, uint8 *data)
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{
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int outlen = 0;
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EVP_EncryptUpdate(&m_ctx, data, &outlen, data, len);
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EVP_EncryptFinal_ex(&m_ctx, data, &outlen);
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}
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