md4_functions.hpp

Go to the documentation of this file.

//---------------------------------------------------------------------------//
// Copyright (c) 2018-2020 Mikhail Komarov <nemo@nil.foundation>
//
// MIT License
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//---------------------------------------------------------------------------//
 
#ifndef CRYPTO3_MD4_FUNCTIONS_HPP
#define CRYPTO3_MD4_FUNCTIONS_HPP
 
#include <array>
 
#include <nil/crypto3/detail/basic_functions.hpp>
 
namespace nil {
    namespace crypto3 {
        namespace block {
            namespace detail {
                struct md4_functions : public ::nil::crypto3::detail::basic_functions<32> {
                    static word_type ff(word_type x, word_type y, word_type z) {
                        return (x & y) | (~x & z);
                    }
 
                    static word_type gg(word_type x, word_type y, word_type z) {
                        return (x & y) | (x & z) | (y & z);
                    }
 
                    static word_type hh(word_type x, word_type y, word_type z) {
                        return x ^ y ^ z;
                    }
                };
            }    // namespace detail
        }        // namespace block
    }            // namespace crypto3
}    // namespace nil
 
#endif    // CRYPTO3_MD4_FUNCTIONS_HPP