crypto/bn/rsaz_exp.h

   1 /*
   2  * Copyright 2013-2018 The OpenSSL Project Authors. All Rights Reserved.
   3  * Copyright (c) 2012, 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 # endif
  39
  40 #endif