mirror of
https://github.com/mangosfour/server.git
synced 2025-12-12 19:37:03 +00:00
58 lines
1.8 KiB
C++
58 lines
1.8 KiB
C++
/**
|
|
* MaNGOS is a full featured server for World of Warcraft, supporting
|
|
* the following clients: 1.12.x, 2.4.3, 3.3.5a, 4.3.4a and 5.4.8
|
|
*
|
|
* Copyright (C) 2005-2018 MaNGOS project <https://getmangos.eu>
|
|
* Copyright (C) 2008-2015 TrinityCore <http://www.trinitycore.org/>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
* World of Warcraft, and all World of Warcraft or Warcraft art, images,
|
|
* and lore are copyrighted by Blizzard Entertainment, Inc.
|
|
*/
|
|
|
|
#include "ARC4.h"
|
|
|
|
ARC4::ARC4(uint8 len) : m_ctx()
|
|
{
|
|
m_ctx = EVP_CIPHER_CTX_new();
|
|
EVP_EncryptInit_ex(m_ctx, EVP_rc4(), NULL, NULL, NULL);
|
|
EVP_CIPHER_CTX_set_key_length(m_ctx, len);
|
|
}
|
|
|
|
ARC4::ARC4(uint8 *seed, uint8 len) : m_ctx()
|
|
{
|
|
m_ctx = EVP_CIPHER_CTX_new();
|
|
EVP_EncryptInit_ex(m_ctx, EVP_rc4(), NULL, NULL, NULL);
|
|
EVP_CIPHER_CTX_set_key_length(m_ctx, len);
|
|
EVP_EncryptInit_ex(m_ctx, NULL, NULL, seed, NULL);
|
|
}
|
|
|
|
ARC4::~ARC4()
|
|
{
|
|
EVP_CIPHER_CTX_free(m_ctx);
|
|
}
|
|
|
|
void ARC4::Init(uint8 *seed)
|
|
{
|
|
EVP_EncryptInit_ex(m_ctx, NULL, NULL, seed, NULL);
|
|
}
|
|
|
|
void ARC4::UpdateData(int len, uint8 *data)
|
|
{
|
|
int outlen = 0;
|
|
EVP_EncryptUpdate(m_ctx, data, &outlen, data, len);
|
|
EVP_EncryptFinal_ex(m_ctx, data, &outlen);
|
|
}
|