1/*
2 * Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.
3 * Copyright 2016 Cryptography Research, Inc.
4 *
5 * Licensed under the Apache License 2.0 (the "License"). You may not use
6 * this file except in compliance with the License. You can obtain a copy
7 * in the file LICENSE in the source distribution or at
8 * https://www.openssl.org/source/license.html
9 *
10 * Originally written by Mike Hamburg
11 */
12
13#ifndef OSSL_CRYPTO_EC_CURVE448_ARCH_32_INTRINSICS_H
14# define OSSL_CRYPTO_EC_CURVE448_ARCH_32_INTRINSICS_H
15
16#include "internal/constant_time.h"
17
18# define ARCH_WORD_BITS 32
19
20#define word_is_zero(a) constant_time_is_zero_32(a)
21
22static ossl_inline uint64_t widemul(uint32_t a, uint32_t b)
23{
24 return ((uint64_t)a) * b;
25}
26
27#endif /* OSSL_CRYPTO_EC_CURVE448_ARCH_32_INTRINSICS_H */
28