ARC4.h

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/*
 * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef _AUTH_SARC4_H
#define _AUTH_SARC4_H
 
#include "Define.h"
#include <array>
#include <openssl/evp.h>
 
namespace Trinity::Crypto
{
    class TC_COMMON_API ARC4
    {
        public:
            ARC4();
            ~ARC4();
 
            void Init(uint8 const* seed, size_t len);
            template <typename Container>
            void Init(Container const& c) { Init(std::data(c), std::size(c)); }
 
            void UpdateData(uint8* data, size_t len);
            template <typename Container>
            void UpdateData(Container& c) { UpdateData(std::data(c), std::size(c)); }
        private:
            EVP_CIPHER* _cipher;
            EVP_CIPHER_CTX* _ctx;
    };
}
 
#endif