/* 
 * Copyright (C) 2005-2008 MaNGOS <http://www.mangosproject.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
 */

#ifndef _AUTH_SHA1_H
#define _AUTH_SHA1_H

#include "Common.h"
#include <openssl/sha.h>
#include <openssl/crypto.h>
#include "Auth/BigNumber.h"

class Sha1Hash
{
    public:
        Sha1Hash();
        ~Sha1Hash();

        void UpdateFinalizeBigNumbers(BigNumber *bn0, ...);
        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) { return SHA_DIGEST_LENGTH; };

        BigNumber GetBigNumber();

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