34 lines
877 B
C++
34 lines
877 B
C++
/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* Copyright 2016-2022 Danny Robson <danny@nerdcruft.net>
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*/
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#pragma once
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#include "../view.hpp"
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#include <cstdint>
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#include <type_traits>
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#include <span>
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namespace cruft::hash {
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template <int CompressionsV = 2, int FinalisationsV = 4>
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class siphash {
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public:
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using digest_t = u64;
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static constexpr auto compression_rounds = CompressionsV;
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static constexpr auto finalisation_rounds = FinalisationsV;
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siphash (std::array<u64, 2>) noexcept;
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siphash (std::span<u08, 16>) noexcept;
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digest_t operator() (cruft::view<u08 const*> data) const noexcept;
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private:
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std::array<u64,2> m_key;
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};
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}; |