rsaz_exp.h (openssl-1.1.1o) | : | rsaz_exp.h (openssl-1.1.1p) | ||
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/* | /* | |||
* Copyright 2013-2018 The OpenSSL Project Authors. All Rights Reserved. | * Copyright 2013-2022 The OpenSSL Project Authors. All Rights Reserved. | |||
* Copyright (c) 2012, Intel Corporation. All Rights Reserved. | * Copyright (c) 2012, Intel Corporation. All Rights Reserved. | |||
* | * | |||
* Licensed under the OpenSSL license (the "License"). You may not use | * Licensed under the OpenSSL license (the "License"). You may not use | |||
* this file except in compliance with the License. You can obtain a copy | * this file except in compliance with the License. You can obtain a copy | |||
* in the file LICENSE in the source distribution or at | * in the file LICENSE in the source distribution or at | |||
* https://www.openssl.org/source/license.html | * https://www.openssl.org/source/license.html | |||
* | * | |||
* Originally written by Shay Gueron (1, 2), and Vlad Krasnov (1) | * Originally written by Shay Gueron (1, 2), and Vlad Krasnov (1) | |||
* (1) Intel Corporation, Israel Development Center, Haifa, Israel | * (1) Intel Corporation, Israel Development Center, Haifa, Israel | |||
* (2) University of Haifa, Israel | * (2) University of Haifa, Israel | |||
skipping to change at line 25 | skipping to change at line 25 | |||
#ifndef OSSL_CRYPTO_BN_RSAZ_EXP_H | #ifndef OSSL_CRYPTO_BN_RSAZ_EXP_H | |||
# define OSSL_CRYPTO_BN_RSAZ_EXP_H | # define OSSL_CRYPTO_BN_RSAZ_EXP_H | |||
# undef RSAZ_ENABLED | # undef RSAZ_ENABLED | |||
# if defined(OPENSSL_BN_ASM_MONT) && \ | # if defined(OPENSSL_BN_ASM_MONT) && \ | |||
(defined(__x86_64) || defined(__x86_64__) || \ | (defined(__x86_64) || defined(__x86_64__) || \ | |||
defined(_M_AMD64) || defined(_M_X64)) | defined(_M_AMD64) || defined(_M_X64)) | |||
# define RSAZ_ENABLED | # define RSAZ_ENABLED | |||
# include <openssl/bn.h> | # include <openssl/bn.h> | |||
# include "internal/constant_time.h" | ||||
# include "bn_local.h" | ||||
void RSAZ_1024_mod_exp_avx2(BN_ULONG result[16], | void RSAZ_1024_mod_exp_avx2(BN_ULONG result[16], | |||
const BN_ULONG base_norm[16], | const BN_ULONG base_norm[16], | |||
const BN_ULONG exponent[16], | const BN_ULONG exponent[16], | |||
const BN_ULONG m_norm[16], const BN_ULONG RR[16], | const BN_ULONG m_norm[16], const BN_ULONG RR[16], | |||
BN_ULONG k0); | BN_ULONG k0); | |||
int rsaz_avx2_eligible(void); | int rsaz_avx2_eligible(void); | |||
void RSAZ_512_mod_exp(BN_ULONG result[8], | void RSAZ_512_mod_exp(BN_ULONG result[8], | |||
const BN_ULONG base_norm[8], const BN_ULONG exponent[8], | const BN_ULONG base_norm[8], const BN_ULONG exponent[8], | |||
const BN_ULONG m_norm[8], BN_ULONG k0, | const BN_ULONG m_norm[8], BN_ULONG k0, | |||
const BN_ULONG RR[8]); | const BN_ULONG RR[8]); | |||
static ossl_inline void bn_select_words(BN_ULONG *r, BN_ULONG mask, | ||||
const BN_ULONG *a, | ||||
const BN_ULONG *b, size_t num) | ||||
{ | ||||
size_t i; | ||||
for (i = 0; i < num; i++) { | ||||
r[i] = constant_time_select_64(mask, a[i], b[i]); | ||||
} | ||||
} | ||||
static ossl_inline BN_ULONG bn_reduce_once_in_place(BN_ULONG *r, | ||||
BN_ULONG carry, | ||||
const BN_ULONG *m, | ||||
BN_ULONG *tmp, size_t num) | ||||
{ | ||||
carry -= bn_sub_words(tmp, r, m, num); | ||||
bn_select_words(r, carry, r /* tmp < 0 */, tmp /* tmp >= 0 */, num); | ||||
return carry; | ||||
} | ||||
# endif | # endif | |||
#endif | #endif | |||
End of changes. 3 change blocks. | ||||
1 lines changed or deleted | 24 lines changed or added |