1 /* 2 * Copyright 2013-2021 The OpenSSL Project Authors. All Rights Reserved. 3 * Copyright (c) 2020, Intel Corporation. All Rights Reserved. 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 Shay Gueron (1, 2), and Vlad Krasnov (1) 11 * (1) Intel Corporation, Israel Development Center, Haifa, Israel 12 * (2) University of Haifa, Israel 13 */ 14 15 #ifndef OSSL_CRYPTO_BN_RSAZ_EXP_H 16 # define OSSL_CRYPTO_BN_RSAZ_EXP_H 17 18 # undef RSAZ_ENABLED 19 # if defined(OPENSSL_BN_ASM_MONT) && \ 20 (defined(__x86_64) || defined(__x86_64__) || \ 21 defined(_M_AMD64) || defined(_M_X64)) 22 # define RSAZ_ENABLED 23 24 # include <openssl/bn.h> 25 26 void RSAZ_1024_mod_exp_avx2(BN_ULONG result[16], 27 const BN_ULONG base_norm[16], 28 const BN_ULONG exponent[16], 29 const BN_ULONG m_norm[16], const BN_ULONG RR[16], 30 BN_ULONG k0); 31 int rsaz_avx2_eligible(void); 32 33 void RSAZ_512_mod_exp(BN_ULONG result[8], 34 const BN_ULONG base_norm[8], const BN_ULONG exponent[8], 35 const BN_ULONG m_norm[8], BN_ULONG k0, 36 const BN_ULONG RR[8]); 37 38 39 int ossl_rsaz_avx512ifma_eligible(void); 40 41 int ossl_rsaz_mod_exp_avx512_x2(BN_ULONG *res1, 42 const BN_ULONG *base1, 43 const BN_ULONG *exponent1, 44 const BN_ULONG *m1, 45 const BN_ULONG *RR1, 46 BN_ULONG k0_1, 47 BN_ULONG *res2, 48 const BN_ULONG *base2, 49 const BN_ULONG *exponent2, 50 const BN_ULONG *m2, 51 const BN_ULONG *RR2, 52 BN_ULONG k0_2, 53 int factor_size); 54 55 # endif 56 57 #endif 58