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azerothcore-wotlk/src/common/Cryptography/Argon2.h
2025-11-24 15:42:51 +01:00

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C++

/*
* This file is part of the AzerothCore Project. See AUTHORS 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 AC_ARGON2_H
#define AC_ARGON2_H
#include "BigNumber.h"
#include "Optional.h"
namespace Acore::Crypto
{
struct AC_COMMON_API Argon2
{
static constexpr uint32 HASH_LEN = 16; // 128 bits, in bytes
static constexpr uint32 ENCODED_HASH_LEN = 100; // in chars
static constexpr uint32 DEFAULT_ITERATIONS = 10; // determined by dice roll, guaranteed to be secure (not really)
static constexpr uint32 DEFAULT_MEMORY_COST = (1u << 17); // 2^17 kibibytes is 2^7 mebibytes is ~100MB
static constexpr uint32 PARALLELISM = 1; // we don't support threaded hashing
static Optional<std::string> Hash(std::string const& password, BigNumber const& salt, uint32 nIterations = DEFAULT_ITERATIONS, uint32 kibMemoryCost = DEFAULT_MEMORY_COST);
static bool Verify(std::string const& password, std::string const& hash);
};
}
#endif