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Core/Build: Merge common library and move database out of shared
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66
src/common/Cryptography/HmacHash.cpp
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66
src/common/Cryptography/HmacHash.cpp
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/*
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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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#include "HmacHash.h"
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#include "BigNumber.h"
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#include "Common.h"
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template<HashCreateFn HashCreator, uint32 DigestLength>
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HmacHash<HashCreator, DigestLength>::HmacHash(uint32 len, uint8 const* seed)
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{
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HMAC_CTX_init(&_ctx);
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HMAC_Init_ex(&_ctx, seed, len, HashCreator(), NULL);
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memset(_digest, 0, DigestLength);
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}
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template<HashCreateFn HashCreator, uint32 DigestLength>
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HmacHash<HashCreator, DigestLength>::~HmacHash()
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{
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HMAC_CTX_cleanup(&_ctx);
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}
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template<HashCreateFn HashCreator, uint32 DigestLength>
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void HmacHash<HashCreator, DigestLength>::UpdateData(const std::string &str)
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{
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HMAC_Update(&_ctx, (uint8 const*)str.c_str(), str.length());
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}
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template<HashCreateFn HashCreator, uint32 DigestLength>
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void HmacHash<HashCreator, DigestLength>::UpdateData(const uint8* data, size_t len)
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{
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HMAC_Update(&_ctx, data, len);
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}
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template<HashCreateFn HashCreator, uint32 DigestLength>
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void HmacHash<HashCreator, DigestLength>::Finalize()
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{
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uint32 length = 0;
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HMAC_Final(&_ctx, _digest, &length);
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ASSERT(length == DigestLength);
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}
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template<HashCreateFn HashCreator, uint32 DigestLength>
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uint8* HmacHash<HashCreator, DigestLength>::ComputeHash(BigNumber* bn)
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{
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HMAC_Update(&_ctx, bn->AsByteArray().get(), bn->GetNumBytes());
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Finalize();
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return _digest;
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}
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template class HmacHash<EVP_sha1, SHA_DIGEST_LENGTH>;
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template class HmacHash<EVP_sha256, SHA256_DIGEST_LENGTH>;
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