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add sm2_standard

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[GGSuchao]
2017-07-06 11:41:39 +08:00
committed by GGSuchao
parent ad1fb8a46e
commit 6a598cbdb8
15 changed files with 10990 additions and 3 deletions
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157
crypto/sm2/miracl/mrlucas.c Normal file
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/***************************************************************************
*
Copyright 2013 CertiVox IOM Ltd. *
*
This file is part of CertiVox MIRACL Crypto SDK. *
*
The CertiVox MIRACL Crypto SDK provides developers with an *
extensive and efficient set of cryptographic functions. *
For further information about its features and functionalities please *
refer to http://www.certivox.com *
*
* The CertiVox MIRACL Crypto SDK is free software: you can *
redistribute it and/or modify it under the terms of the *
GNU Affero General Public License as published by the *
Free Software Foundation, either version 3 of the License, *
or (at your option) any later version. *
*
* The CertiVox MIRACL Crypto SDK is distributed in the hope *
that it will be useful, but WITHOUT ANY WARRANTY; without even the *
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
See the GNU Affero General Public License for more details. *
*
* You should have received a copy of the GNU Affero General Public *
License along with CertiVox MIRACL Crypto SDK. *
If not, see <http://www.gnu.org/licenses/>. *
*
You can be released from the requirements of the license by purchasing *
a commercial license. Buying such a license is mandatory as soon as you *
develop commercial activities involving the CertiVox MIRACL Crypto SDK *
without disclosing the source code of your own applications, or shipping *
the CertiVox MIRACL Crypto SDK with a closed source product. *
*
***************************************************************************/
/*
* MIRACL methods for evaluating lucas V function
* mrlucas.c (Postl's algorithm)
*/
#include <stdlib.h>
#include <openssl/miracl.h>
void nres_lucas(_MIPD_ big p,big r,big vp,big v)
{
int i,nb;
#ifdef MR_OS_THREADS
miracl *mr_mip=get_mip();
#endif
if (mr_mip->ERNUM) return;
MR_IN(107)
if (size(r)==0)
{
zero(vp);
convert(_MIPP_ 2,v);
nres(_MIPP_ v,v);
MR_OUT
return;
}
if (size(r)==1 || size(r)==(-1))
{ /* note - sign of r doesn't matter */
convert(_MIPP_ 2,vp);
nres(_MIPP_ vp,vp);
copy(p,v);
MR_OUT
return;
}
copy(p,mr_mip->w3);
convert(_MIPP_ 2,mr_mip->w4);
nres(_MIPP_ mr_mip->w4,mr_mip->w4); /* w4=2 */
copy(mr_mip->w4,mr_mip->w8);
copy(mr_mip->w3,mr_mip->w9);
copy(r,mr_mip->w1);
insign(PLUS,mr_mip->w1);
decr(_MIPP_ mr_mip->w1,1,mr_mip->w1);
#ifndef MR_ALWAYS_BINARY
if (mr_mip->base==mr_mip->base2)
{
#endif
nb=logb2(_MIPP_ mr_mip->w1);
for (i=nb-1;i>=0;i--)
{
if (mr_mip->user!=NULL) (*mr_mip->user)();
if (mr_testbit(_MIPP_ mr_mip->w1,i))
{
nres_modmult(_MIPP_ mr_mip->w8,mr_mip->w9,mr_mip->w8);
nres_modsub(_MIPP_ mr_mip->w8,mr_mip->w3,mr_mip->w8);
nres_modmult(_MIPP_ mr_mip->w9,mr_mip->w9,mr_mip->w9);
nres_modsub(_MIPP_ mr_mip->w9,mr_mip->w4,mr_mip->w9);
}
else
{
nres_modmult(_MIPP_ mr_mip->w9,mr_mip->w8,mr_mip->w9);
nres_modsub(_MIPP_ mr_mip->w9,mr_mip->w3,mr_mip->w9);
nres_modmult(_MIPP_ mr_mip->w8,mr_mip->w8,mr_mip->w8);
nres_modsub(_MIPP_ mr_mip->w8,mr_mip->w4,mr_mip->w8);
}
}
#ifndef MR_ALWAYS_BINARY
}
else
{
expb2(_MIPP_ logb2(_MIPP_ mr_mip->w1)-1,mr_mip->w2);
while (!mr_mip->ERNUM && size(mr_mip->w2)!=0)
{ /* use binary method */
if (mr_compare(mr_mip->w1,mr_mip->w2)>=0)
{ /* vp=v*vp-p, v=v*v-2 */
nres_modmult(_MIPP_ mr_mip->w8,mr_mip->w9,mr_mip->w8);
nres_modsub(_MIPP_ mr_mip->w8,mr_mip->w3,mr_mip->w8);
nres_modmult(_MIPP_ mr_mip->w9,mr_mip->w9,mr_mip->w9);
nres_modsub(_MIPP_ mr_mip->w9,mr_mip->w4,mr_mip->w9);
subtract(_MIPP_ mr_mip->w1,mr_mip->w2,mr_mip->w1);
}
else
{ /* v=v*vp-p, vp=vp*vp-2 */
nres_modmult(_MIPP_ mr_mip->w9,mr_mip->w8,mr_mip->w9);
nres_modsub(_MIPP_ mr_mip->w9,mr_mip->w3,mr_mip->w9);
nres_modmult(_MIPP_ mr_mip->w8,mr_mip->w8,mr_mip->w8);
nres_modsub(_MIPP_ mr_mip->w8,mr_mip->w4,mr_mip->w8);
}
subdiv(_MIPP_ mr_mip->w2,2,mr_mip->w2);
}
}
#endif
copy(mr_mip->w9,v);
if (v!=vp) copy(mr_mip->w8,vp);
MR_OUT
}
void lucas(_MIPD_ big p,big r,big n,big vp,big v)
{
#ifdef MR_OS_THREADS
miracl *mr_mip=get_mip();
#endif
if (mr_mip->ERNUM) return;
MR_IN(108)
prepare_monty(_MIPP_ n);
nres(_MIPP_ p,mr_mip->w3);
nres_lucas(_MIPP_ mr_mip->w3,r,mr_mip->w8,mr_mip->w9);
redc(_MIPP_ mr_mip->w9,v);
if (v!=vp) redc(_MIPP_ mr_mip->w8,vp);
MR_OUT
}