| /* |
| * Copyright 2013-2016 The OpenSSL Project Authors. All Rights Reserved. |
| * Copyright (c) 2012, Intel Corporation. All Rights Reserved. |
| * |
| * Licensed under the OpenSSL license (the "License"). You may not use |
| * this file except in compliance with the License. You can obtain a copy |
| * in the file LICENSE in the source distribution or at |
| * https://www.openssl.org/source/license.html |
| * |
| * Originally written by Shay Gueron (1, 2), and Vlad Krasnov (1) |
| * (1) Intel Corporation, Israel Development Center, Haifa, Israel |
| * (2) University of Haifa, Israel |
| */ |
| |
| #ifndef OPENSSL_HEADER_BN_RSAZ_EXP_H |
| #define OPENSSL_HEADER_BN_RSAZ_EXP_H |
| |
| #include <openssl/bn.h> |
| |
| #include "internal.h" |
| |
| // RSAZ_1024_mod_exp_avx2 sets |result| to |base_norm| raised to |exponent| |
| // modulo |m_norm|. |base_norm| must be fully-reduced and |exponent| must have |
| // the high bit set (it is 1024 bits wide). |RR| and |k0| must be |RR| and |n0|, |
| // respectively, extracted from |m_norm|'s |BN_MONT_CTX|. |storage_words| is a |
| // temporary buffer that must be aligned to |MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH| |
| // bytes. |
| void RSAZ_1024_mod_exp_avx2(BN_ULONG result[16], const BN_ULONG base_norm[16], |
| const BN_ULONG exponent[16], |
| const BN_ULONG m_norm[16], const BN_ULONG RR[16], |
| BN_ULONG k0, |
| BN_ULONG storage_words[MOD_EXP_CTIME_STORAGE_LEN]); |
| |
| // rsaz_avx2_eligible returns one if |RSAZ_1024_mod_exp_avx2| should be used and |
| // zero otherwise. |
| int rsaz_avx2_eligible(void); |
| |
| #endif // OPENSSL_HEADER_BN_RSAZ_EXP_H |
