1/* 2 * Copyright 2009-2021 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10#include "internal/cryptlib.h" 11#include "crypto/ppc_arch.h" 12#include "ec_local.h" 13 14void ecp_nistz256_mul_mont(unsigned long res[4], const unsigned long a[4], 15 const unsigned long b[4]); 16 17void ecp_nistz256_to_mont(unsigned long res[4], const unsigned long in[4]); 18void ecp_nistz256_to_mont(unsigned long res[4], const unsigned long in[4]) 19{ 20 static const unsigned long RR[] = { 0x0000000000000003U, 21 0xfffffffbffffffffU, 22 0xfffffffffffffffeU, 23 0x00000004fffffffdU }; 24 25 ecp_nistz256_mul_mont(res, in, RR); 26} 27 28void ecp_nistz256_from_mont(unsigned long res[4], const unsigned long in[4]); 29void ecp_nistz256_from_mont(unsigned long res[4], const unsigned long in[4]) 30{ 31 static const unsigned long one[] = { 1, 0, 0, 0 }; 32 33 ecp_nistz256_mul_mont(res, in, one); 34} 35