64 lines
1.7 KiB
C++
64 lines
1.7 KiB
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 2018-2019 Danny Robson <danny@nerdcruft.net>
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*/
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#pragma once
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#include <cruft/util/std.hpp>
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#include <array>
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namespace cruft::crypto::hash::detail {
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namespace blake {
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///////////////////////////////////////////////////////////////////////
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template <int>
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struct traits {};
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//---------------------------------------------------------------------
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template <>
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struct traits<256>
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{
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using word_t = u32;
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static const std::array<word_t,8> iv;
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static const std::array<word_t,16> pi;
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static const std::array<int,4> rotations;
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static constexpr int rounds = 14;
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};
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//---------------------------------------------------------------------
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template <>
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struct traits<224>
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{
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using word_t = traits<256>::word_t;
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};
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//---------------------------------------------------------------------
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template <>
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struct traits<512>
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{
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using word_t = u64;
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static const std::array<word_t,8> iv;
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static const std::array<word_t,16> pi;
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static const std::array<int,4> rotations;
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static constexpr int rounds = 16;
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};
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//---------------------------------------------------------------------
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template <>
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struct traits<384>
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{
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using word_t = traits<512>::word_t;
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};
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}
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};
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