SHA1.h

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/*
 * Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
 * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
 *
 * 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_SHA1_H
#define _AUTH_SHA1_H

#include "Define.h"
#include <string>
#include <type_traits>
#include <openssl/sha.h>

class BigNumber;

class TC_COMMON_API SHA1Hash
{
 public:
 typedef std::integral_constant<uint32, SHA_DIGEST_LENGTH> DigestLength;

 SHA1Hash();
 ~SHA1Hash();

 void UpdateBigNumbers(BigNumber* bn0, ...);

 void UpdateData(const uint8 *dta, int len);
 void UpdateData(const std::string &str);

 void Initialize();
 void Finalize();

 uint8 *GetDigest(void) { return mDigest; }
 int GetLength(void) const { return SHA_DIGEST_LENGTH; }

 private:
 SHA_CTX mC;
 uint8 mDigest[SHA_DIGEST_LENGTH];
};
#endif