| /** |
| * \file gf128mul.h |
| * |
| * \brief Fast multiplication in GF(128) |
| * |
| * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved |
| * SPDX-License-Identifier: Apache-2.0 |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may |
| * not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| * This file is part of mbed TLS (https://tls.mbed.org) |
| */ |
| #ifndef MBEDTLS_GF128MUL_H |
| #define MBEDTLS_GF128MUL_H |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /** |
| * \brief Big-Endian definition for 128 bits elements |
| */ |
| typedef unsigned char be128[16]; |
| |
| /** |
| * \brief Multiplication in GF(128): |
| * r = x times x^4 times x^8 in GF(2^128) |
| * |
| * \param x the 128-bits number you want to multiply |
| * \param r result |
| */ |
| void gf128mul_x_ble(be128 r, const be128 x); |
| |
| |
| |
| #endif /* gf128mul.h */ |