Rearrange rsaz

[thirdparty/openssl.git] / crypto / bn / rsaz_exp.h

/******************************************************************************
* Copyright(c) 2012, Intel Corp.
* Developers and authors:
* Shay Gueron (1, 2), and Vlad Krasnov (1)
* (1) Intel Corporation, Israel Development Center, Haifa, Israel
* (2) University of Haifa, Israel
******************************************************************************
* LICENSE:
* This submission to OpenSSL is to be made available under the OpenSSL
* license, and only to the OpenSSL project, in order to allow integration
* into the publicly distributed code.
* The use of this code, or portions of this code, or concepts embedded in
* this code, or modification of this code and/or algorithm(s) in it, or the
* use of this code for any other purpose than stated above, requires special
* licensing.
******************************************************************************
* DISCLAIMER:
* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS AND THE COPYRIGHT OWNERS
* ``AS IS''. ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS OR THE COPYRIGHT
* OWNERS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
******************************************************************************/

#ifndef RSAZ_EXP_H
# define RSAZ_EXP_H

# undef RSAZ_ENABLED
# if defined(OPENSSL_BN_ASM_MONT) && \
        (defined(__x86_64) || defined(__x86_64__) || \
         defined(_M_AMD64) || defined(_M_X64))
#  define RSAZ_ENABLED

#  include <openssl/bn.h>

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);
int rsaz_avx2_eligible();

void RSAZ_512_mod_exp(BN_ULONG result[8],
                      const BN_ULONG base_norm[8], const BN_ULONG exponent[8],
                      const BN_ULONG m_norm[8], BN_ULONG k0,
                      const BN_ULONG RR[8]);

# endif

#endif