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https://github.com/mod-playerbots/azerothcore-wotlk.git
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41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
/*
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* Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU GPL v2 license: http://github.com/azerothcore/azerothcore-wotlk/LICENSE-GPL2
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* Copyright (C) 2008-2016 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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#include "ARC4.h"
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#include <openssl/sha.h>
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ARC4::ARC4(uint8 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, uint8 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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