1/******************************************************************************
2* Copyright(c) 2012, Intel Corp.
3* Developers and authors:
4* Shay Gueron (1, 2), and Vlad Krasnov (1)
5* (1) Intel Corporation, Israel Development Center, Haifa, Israel
6* (2) University of Haifa, Israel
7******************************************************************************
8* LICENSE:
9* This submission to OpenSSL is to be made available under the OpenSSL
10* license, and only to the OpenSSL project, in order to allow integration
11* into the publicly distributed code.
12* The use of this code, or portions of this code, or concepts embedded in
13* this code, or modification of this code and/or algorithm(s) in it, or the
14* use of this code for any other purpose than stated above, requires special
15* licensing.
16******************************************************************************
17* DISCLAIMER:
18* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS AND THE COPYRIGHT OWNERS
19* ``AS IS''. ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
20* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS OR THE COPYRIGHT
22* OWNERS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
23* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28* POSSIBILITY OF SUCH DAMAGE.
29******************************************************************************/
30
31#ifndef RSAZ_EXP_H
32# define RSAZ_EXP_H
33
34# undef RSAZ_ENABLED
35# if defined(OPENSSL_BN_ASM_MONT) && \
36        (defined(__x86_64) || defined(__x86_64__) || \
37         defined(_M_AMD64) || defined(_M_X64))
38#  define RSAZ_ENABLED
39
40#  include <openssl/bn.h>
41
42void RSAZ_1024_mod_exp_avx2(BN_ULONG result[16],
43                            const BN_ULONG base_norm[16],
44                            const BN_ULONG exponent[16],
45                            const BN_ULONG m_norm[16], const BN_ULONG RR[16],
46                            BN_ULONG k0);
47int rsaz_avx2_eligible();
48
49void RSAZ_512_mod_exp(BN_ULONG result[8],
50                      const BN_ULONG base_norm[8], const BN_ULONG exponent[8],
51                      const BN_ULONG m_norm[8], BN_ULONG k0,
52                      const BN_ULONG RR[8]);
53
54# endif
55
56#endif
57