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  • 大小: 814KB
    文件類型: .zip
    金幣: 2
    下載: 0 次
    發(fā)布日期: 2021-05-08
  • 語言: 其他
  • 標簽: openssl??sm2??sm3??c??

資源簡介

使用OpenSSL實現(xiàn)SM2、SM3算法示例,包括數(shù)字簽名,密鑰交換,加解密,KDF用SM算法

資源截圖

代碼片段和文件信息

#include?“ec_param.h“
#include?“xy_ecpoint.h“

ec_param?*?ec_param_new()
{
ec_param?*ecp;
ecp?=?(ec_param?*)OPENSSL_malloc(sizeof(ec_param));
ecp->ctx?=?BN_CTX_new();
ecp->p?=?BN_new();
ecp->a?=?BN_new();
ecp->b?=?BN_new();
ecp->n?=?BN_new();
return?ecp;
}
void?ec_param_free(ec_param?*ecp)
{
if?(ecp)
{
BN_free(ecp->p);
ecp->p?=?NULL;
BN_free(ecp->a);
ecp->a?=?NULL;
BN_free(ecp->b);
ecp->b?=?NULL;
BN_free(ecp->n);
ecp->n?=?NULL;
if?(ecp->G)
{
xy_ecpoint_free(ecp->G);
ecp->G?=?NULL;
}
if?(ecp->group)
{
EC_GROUP_free(ecp->group);
ecp->group?=?NULL;
}
BN_CTX_free(ecp->ctx);
ecp->ctx?=?NULL;
OPENSSL_free(ecp);
}
}
int?ec_param_init(ec_param?*ecp?char?**string_value?int?type?int?point_bit_length)
{
ecp->type?=?type;
if?(TYPE_GFp?==?ecp->type)
{
ecp->EC_GROUP_new_curve?=?EC_GROUP_new_curve_GFp;
ecp->EC_POINT_set_affine_coordinates?=?EC_POINT_set_affine_coordinates_GFp;
ecp->EC_POINT_get_affine_coordinates?=?EC_POINT_get_affine_coordinates_GFp;
}
else?if?(TYPE_GF2m?==?ecp->type)
{
ecp->EC_GROUP_new_curve?=?EC_GROUP_new_curve_GF2m;
ecp->EC_POINT_set_affine_coordinates?=?EC_POINT_set_affine_coordinates_GF2m;
ecp->EC_POINT_get_affine_coordinates?=?EC_POINT_get_affine_coordinates_GF2m;
}

BN_hex2bn(&ecp->p?string_value[0]);
BN_hex2bn(&ecp->a?string_value[1]);
BN_hex2bn(&ecp->b?string_value[2]);
BN_hex2bn(&ecp->n?string_value[5]);
ecp->group?=?ecp->EC_GROUP_new_curve(ecp->p?ecp->a
?ecp->b?ecp->ctx);
ecp->G?=?xy_ecpoint_new(ecp);
BN_hex2bn(&ecp->G->x?string_value[3]);
BN_hex2bn(&ecp->G->y?string_value[4]);
if?(!ecp->EC_POINT_set_affine_coordinates(ecp->group
?ecp->G->ec_point?ecp->G->x
?ecp->G->y?ecp->ctx))
ABORT

ecp->point_bit_length?=?point_bit_length;
ecp->point_byte_length?=?(point_bit_length?+?7)?/?8;

return?SUCCESS;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2012-09-27?20:32??sm2_sm3_openssl_c\
?????目錄???????????0??2012-09-27?20:32??sm2_sm3_openssl_c\sm2\
?????文件?????????876??2012-09-25?10:59??sm2_sm3_openssl_c\sm2.sln
?????文件????????1930??2012-09-27?19:14??sm2_sm3_openssl_c\sm2\ec_param.c
?????文件?????????229??2012-09-27?18:16??sm2_sm3_openssl_c\sm2\ec_param.h
?????文件?????1155584??2012-04-13?17:38??sm2_sm3_openssl_c\sm2\libeay32.dll
?????文件??????797690??2012-04-13?17:38??sm2_sm3_openssl_c\sm2\libeay32.lib
?????文件????????1158??2012-09-27?20:16??sm2_sm3_openssl_c\sm2\part1.c
?????文件?????????135??2012-09-26?20:19??sm2_sm3_openssl_c\sm2\part1.h
?????文件????????5869??2012-09-27?19:35??sm2_sm3_openssl_c\sm2\part2.c
?????文件?????????135??2012-09-26?18:06??sm2_sm3_openssl_c\sm2\part2.h
?????文件???????10330??2012-09-27?18:53??sm2_sm3_openssl_c\sm2\part3.c
?????文件?????????135??2012-09-26?18:09??sm2_sm3_openssl_c\sm2\part3.h
?????文件????????6003??2012-09-27?19:47??sm2_sm3_openssl_c\sm2\part4.c
?????文件?????????135??2012-09-26?18:07??sm2_sm3_openssl_c\sm2\part4.h
?????文件????????1687??2012-09-25?10:59??sm2_sm3_openssl_c\sm2\ReadMe.txt
?????文件????????1751??2012-09-27?20:24??sm2_sm3_openssl_c\sm2\SM2.c
?????文件???????33280??2012-09-27?20:30??sm2_sm3_openssl_c\sm2\sm2.exe
?????文件?????????186??2012-09-27?19:23??sm2_sm3_openssl_c\sm2\SM2.h
?????文件????????5060??2012-09-27?19:58??sm2_sm3_openssl_c\sm2\sm2.vcxproj
?????文件????????3253??2012-09-27?19:08??sm2_sm3_openssl_c\sm2\sm2.vcxproj.filters
?????文件?????????143??2012-09-25?10:59??sm2_sm3_openssl_c\sm2\sm2.vcxproj.user
?????文件????????1844??2012-09-27?19:11??sm2_sm3_openssl_c\sm2\sm2_common.h
?????文件?????????928??2012-09-27?19:12??sm2_sm3_openssl_c\sm2\sm2_ec_key.c
?????文件?????????288??2012-09-27?19:11??sm2_sm3_openssl_c\sm2\sm2_ec_key.h
?????文件????????5110??2012-09-27?19:08??sm2_sm3_openssl_c\sm2\sm2_test_param.c
?????文件?????????653??2012-09-27?19:13??sm2_sm3_openssl_c\sm2\sm2_test_param.h
?????文件????????5590??2012-09-27?20:29??sm2_sm3_openssl_c\sm2\SM3.c
?????文件?????????324??2012-09-25?17:28??sm2_sm3_openssl_c\sm2\SM3.h
?????文件??????264704??2012-04-13?17:38??sm2_sm3_openssl_c\sm2\ssleay32.dll
?????文件???????67712??2012-04-13?17:38??sm2_sm3_openssl_c\sm2\ssleay32.lib
............此處省略7個文件信息

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