64 lines
1.7 KiB
C++
64 lines
1.7 KiB
C++
|
/*
|
||
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
||
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
||
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
||
|
|
*
|
||
|
|
* Copyright 2018-2019 Danny Robson <danny@nerdcruft.net>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#include <cruft/util/std.hpp>
|
||
|
|
|
||
|
|
#include <array>
|
||
|
|
|
||
|
|
namespace cruft::crypto::hash::detail {
|
||
|
|
namespace blake {
|
||
|
|
///////////////////////////////////////////////////////////////////////
|
||
|
|
template <int>
|
||
|
|
struct traits {};
|
||
|
|
|
||
|
|
|
||
|
|
//---------------------------------------------------------------------
|
||
|
|
template <>
|
||
|
|
struct traits<256>
|
||
|
|
{
|
||
|
|
using word_t = u32;
|
||
|
|
|
||
|
|
static const std::array<word_t,8> iv;
|
||
|
|
static const std::array<word_t,16> pi;
|
||
|
|
static const std::array<int,4> rotations;
|
||
|
|
static constexpr int rounds = 14;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
//---------------------------------------------------------------------
|
||
|
|
template <>
|
||
|
|
struct traits<224>
|
||
|
|
{
|
||
|
|
using word_t = traits<256>::word_t;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
//---------------------------------------------------------------------
|
||
|
|
template <>
|
||
|
|
struct traits<512>
|
||
|
|
{
|
||
|
|
using word_t = u64;
|
||
|
|
|
||
|
|
static const std::array<word_t,8> iv;
|
||
|
|
static const std::array<word_t,16> pi;
|
||
|
|
static const std::array<int,4> rotations;
|
||
|
|
static constexpr int rounds = 16;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
//---------------------------------------------------------------------
|
||
|
|
template <>
|
||
|
|
struct traits<384>
|
||
|
|
{
|
||
|
|
using word_t = traits<512>::word_t;
|
||
|
|
};
|
||
|
|
}
|
||
|
|
};
|