mirror of
https://github.com/zerotier/ZeroTierOne.git
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44 lines
1.2 KiB
C++
44 lines
1.2 KiB
C++
/*
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* Copyright (c)2013-2020 ZeroTier, Inc.
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*
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* Use of this software is governed by the Business Source License included
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* in the LICENSE.TXT file in the project's root directory.
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*
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* Change Date: 2024-01-01
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*
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* On the date above, in accordance with the Business Source License, use
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* of this software will be governed by version 2.0 of the Apache License.
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*/
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/****/
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#ifndef ZT_MIMC52_HPP
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#define ZT_MIMC52_HPP
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#include "Constants.hpp"
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namespace ZeroTier {
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/**
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* Compute a number of rounds of the MIMC52 verifiable delay function
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*
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* @param salt Input salt
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* @param saltSize Size of salt in bytes
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* @param rounds Number of rounds to compute
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* @return Proof that rounds were computed (proof of CPU cycles spent)
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*/
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uint64_t mimc52Delay(const void *salt,unsigned int saltSize,unsigned long rounds);
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/**
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* Verify a MIMC52 proof of work
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*
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* @param salt Original input salt
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* @param saltSize Size of salt in bytes
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* @param rounds Number of rounds originally computed
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* @param proof Proof to verify (most significant 12 bits are ignored)
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* @return True if proof is valid
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*/
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bool mimc52Verify(const void *salt,unsigned int saltSize,unsigned long rounds,uint64_t proof);
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} // namespace ZeroTier
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#endif
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