mirror of
https://github.com/TrinityCore/TrinityCore.git
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54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
/*
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* Copyright (C) 2008-2015 TrinityCore <http://www.trinitycore.org/>
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* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _AUTH_HMAC_H
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#define _AUTH_HMAC_H
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#include "Define.h"
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#include <string>
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#include <openssl/hmac.h>
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#include <openssl/sha.h>
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class BigNumber;
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#define SEED_KEY_SIZE 16
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typedef EVP_MD const* (*HashCreateFn)();
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template<HashCreateFn HashCreator, uint32 DigestLength>
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class HmacHash
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{
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public:
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HmacHash(uint32 len, uint8 const* seed);
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~HmacHash();
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void UpdateData(std::string const& str);
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void UpdateData(uint8 const* data, size_t len);
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void Finalize();
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uint8* ComputeHash(BigNumber* bn);
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uint8* GetDigest() { return _digest; }
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uint32 GetLength() const { return DigestLength; }
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private:
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HMAC_CTX _ctx;
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uint8 _digest[DigestLength];
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};
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typedef HmacHash<EVP_sha1, SHA_DIGEST_LENGTH> HmacSha1;
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typedef HmacHash<EVP_sha256, SHA256_DIGEST_LENGTH> HmacSha256;
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#endif
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