/*
* This file is part of the Pandaria 5.4.8 Project. See THANKS 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_SHA1_H
#define _AUTH_SHA1_H

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

class BigNumber;

class SHA1Hash
{
    public:
        SHA1Hash();
        SHA1Hash(SHA1Hash const& other);     // copy
        SHA1Hash(SHA1Hash&& other);          // move
        SHA1Hash& operator=(SHA1Hash other); // assign
        ~SHA1Hash();

        void Swap(SHA1Hash& other) throw();
        friend void Swap(SHA1Hash& left, SHA1Hash& right) { left.Swap(right); }
        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 m_digest; }
        int GetLength() const { return SHA_DIGEST_LENGTH; }

    private:
        EVP_MD_CTX* m_ctx;
        uint8 m_digest[SHA_DIGEST_LENGTH];
};
#endif

