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40 lines
1.6 KiB
C++
40 lines
1.6 KiB
C++
/*
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* This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your 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 AC_ARGON2_H
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#define AC_ARGON2_H
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#include "BigNumber.h"
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#include "Optional.h"
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namespace Acore::Crypto
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{
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struct AC_COMMON_API Argon2
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{
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static constexpr uint32 HASH_LEN = 16; // 128 bits, in bytes
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static constexpr uint32 ENCODED_HASH_LEN = 100; // in chars
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static constexpr uint32 DEFAULT_ITERATIONS = 10; // determined by dice roll, guaranteed to be secure (not really)
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static constexpr uint32 DEFAULT_MEMORY_COST = (1u << 17); // 2^17 kibibytes is 2^7 mebibytes is ~100MB
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static constexpr uint32 PARALLELISM = 1; // we don't support threaded hashing
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static Optional<std::string> Hash(std::string const& password, BigNumber const& salt, uint32 nIterations = DEFAULT_ITERATIONS, uint32 kibMemoryCost = DEFAULT_MEMORY_COST);
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static bool Verify(std::string const& password, std::string const& hash);
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};
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}
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#endif
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