libcruft-crypto/hash/md5.hpp

42 lines
1.2 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 2013-2018 Danny Robson <danny@nerdcruft.net>
*/
#ifndef CRUFT_CRYPTO_HASH_MD5_HPP
#define CRUFT_CRYPTO_HASH_MD5_HPP
#include <cruft/util/view.hpp>
#include <array>
#include <cstdint>
#include <cstdlib>
///////////////////////////////////////////////////////////////////////////////
namespace cruft::crypto::hash {
class MD5 {
public:
using digest_t = std::array<uint8_t,16>;
static const size_t BLOCK_SIZE = 64;
static const size_t DIGEST_SIZE = 16;
public:
digest_t operator() (util::view<const uint8_t*>) const noexcept;
digest_t operator() (util::view<const uint8_t*>,util::view<const uint8_t*>) const noexcept;
digest_t operator() (util::view<const uint8_t*>,util::view<const uint8_t*>,util::view<const uint8_t*>) const noexcept;
private:
std::array<uint32_t,4>
transform (
const std::array<uint32_t,4> &ABCD,
const std::array<uint32_t,16> &X
) const noexcept;
};
}
#endif