mirror of
https://github.com/TrinityCore/TrinityCore.git
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87bd1126ff
Support for both OpenSSL 1.0 LTS and OpenSSL 1.1 versions.
Many Linux distributions are still on 1.0 and will stay on LTS for quite
some time.
Port of CMaNGOS commit: e1b0048f05
52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
/*
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* Copyright (C) 2008-2018 TrinityCore <https://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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ARC4::ARC4(uint32 len) : m_ctx(EVP_CIPHER_CTX_new())
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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(), nullptr, nullptr, nullptr);
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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(EVP_CIPHER_CTX_new())
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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(), nullptr, nullptr, nullptr);
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EVP_CIPHER_CTX_set_key_length(m_ctx, len);
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EVP_EncryptInit_ex(m_ctx, nullptr, nullptr, seed, nullptr);
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}
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ARC4::~ARC4()
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{
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EVP_CIPHER_CTX_free(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, nullptr, nullptr, seed, nullptr);
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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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