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sm2_ssl.rar

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代碼片段和文件信息

//?\file:sm2.c
//SM2?Algorithm
//2011-11-10
//author:goldboar
//email:goldboar@163.com
//depending:opnessl?library

//SM2?Standards:?http://www.oscca.gov.cn/News/201012/News_1197.htm

#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?“kdf.h“

#define??NID_X9_62_prime_field?406
static?void?BNPrintf(BIGNUM*?bn)
{
char?*p=NULL;
p=BN_bn2hex(bn);
printf(“%s“p);
OPENSSL_free(p);
}


static?int?sm2_sign_setup(EC_KEY?*eckey?BN_CTX?*ctx_in?BIGNUM?**kp?BIGNUM?**rp)
{
BN_CTX???*ctx?=?NULL;
BIGNUM ?*k?=?NULL?*r?=?NULL?*order?=?NULL?*X?=?NULL;
EC_POINT?*tmp_point=NULL;
const?EC_GROUP?*group;
int? ?ret?=?0;

if?(eckey?==?NULL?||?(group?=?EC_KEY_get0_group(eckey))?==?NULL)
{
ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP?ERR_R_PASSED_NULL_PARAMETER);
return?0;
}

if?(ctx_in?==?NULL)?
{
if?((ctx?=?BN_CTX_new())?==?NULL)
{
ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUPERR_R_MALLOC_FAILURE);
return?0;
}
}
else
ctx?=?ctx_in;

k?????=?BN_new(); /*?this?value?is?later?returned?in?*kp?*/
r?????=?BN_new(); /*?this?value?is?later?returned?in?*rp?*/
order?=?BN_new();
X?????=?BN_new();
if?(!k?||?!r?||?!order?||?!X)
{
ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP?ERR_R_MALLOC_FAILURE);
goto?err;
}
if?((tmp_point?=?EC_POINT_new(group))?==?NULL)
{
ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP?ERR_R_EC_LIB);
goto?err;
}
if?(!EC_GROUP_get_order(group?order?ctx))
{
ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP?ERR_R_EC_LIB);
goto?err;
}

do
{
/*?get?random?k?*/
do
if?(!BN_rand_range(k?order))
{
ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP?ECDSA_R_RANDOM_NUMBER_GENERATION_FAILED);
goto?err;
}
while?(BN_is_zero(k));

/*?compute?r?the?x-coordinate?of?generator?*?k?*/
if?(!EC_POINT_mul(group?tmp_point?k?NULL?NULL?ctx))
{
ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP?ERR_R_EC_LIB);
goto?err;
}
if?(EC_METHOD_get_field_type(EC_GROUP_method_of(group))?==?NID_X9_62_prime_field)
{
if?(!EC_POINT_get_affine_coordinates_GFp(group
tmp_point?X?NULL?ctx))
{
ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUPERR_R_EC_LIB);
goto?err;
}
}
else?/*?NID_X9_62_characteristic_two_field?*/
{
if?(!EC_POINT_get_affine_coordinates_GF2m(group
tmp_point?X?NULL?ctx))
{
ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUPERR_R_EC_LIB);
goto?err;
}
}
if?(!BN_nnmod(r?X?order?ctx))
{
ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP?ERR_R_BN_LIB);
goto?err;
}
}
while?(BN_is_zero(r));

/*?compute?the?inverse?of?k?*/
//? if?(!BN_mod_inverse(k?k?order?ctx))
//? {
//? ECDSAerr(ECDSA_F_ECDSA_SIGN_SETUP?ERR_R_BN_LIB);
//? goto?err;
//? }
/*?clear?old?values?if?necessary?*/
if?(*rp?!=?NULL)
BN_clear_free(*rp);
if?(*kp?!=?NULL)?
BN_clear_free(*kp);
/*?save?the?pre-computed?values??*/

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件?????176175??2013-05-27?14:51??sm2\Debug\sm2.exe

?????文件?????258020??2013-05-27?14:51??sm2\Debug\sm2.ilk

?????文件??????33498??2013-05-27?14:51??sm2\Debug\sm2.obj

?????文件????4308936??2013-05-27?14:51??sm2\Debug\sm2.pch

?????文件?????377856??2013-05-27?14:51??sm2\Debug\sm2.pdb

?????文件????1243611??2013-05-27?14:51??sm2\Debug\sm2.sbr

?????文件??????41773??2013-05-27?14:51??sm2\Debug\sm2test.obj

?????文件????1152470??2013-05-27?14:51??sm2\Debug\sm2test.sbr

?????文件??????50176??2013-05-27?15:07??sm2\Debug\vc60.idb

?????文件??????69632??2013-05-27?14:51??sm2\Debug\vc60.pdb

?????文件???????1368??2011-11-10?17:49??sm2\kdf.h

?????文件????1089536??2007-07-31?15:55??sm2\libeay32.dll

?????文件?????657238??2007-07-31?15:55??sm2\libeay32.lib

?????文件??????19172??2013-05-27?14:46??sm2\sm2.c

?????文件???????3545??2011-11-11?09:42??sm2\sm2.dsp

?????文件????????529??2011-11-09?18:45??sm2\sm2.dsw

?????文件????????909??2011-11-10?18:12??sm2\sm2.h

?????文件??????41984??2013-05-27?16:26??sm2\sm2.ncb

?????文件??????48640??2013-05-27?16:26??sm2\sm2.opt

?????文件???????1142??2013-05-27?14:51??sm2\sm2.plg

?????文件??????13569??2011-11-23?18:38??sm2\sm2test.c

?????目錄??????????0??2013-05-27?14:51??sm2\Debug

?????目錄??????????0??2013-05-27?16:26??sm2

-----------?---------??----------?-----??----

??????????????9589779????????????????????23


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