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test_sm2_sign_and_verify.c
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test_sm2_sign_and_verify.c
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/**************************************************
* File name: test_sm2_sign_and_verify.c
* Author: HAN Wei
* Author's blog: https://blog.csdn.net/henter/
* Date: Nov 20th, 2018
* Description: implement SM2 sign data and verify
signature test functions
**************************************************/
#include <stdio.h>
#include <string.h>
#include "sm2_create_key_pair.h"
#include "sm2_sign_and_verify.h"
#include "test_sm2_sign_and_verify.h"
/*********************************************************/
int test_with_input_defined_in_standard(void)
{
int error_code;
unsigned char msg[] = {"message digest"};
unsigned int msg_len = (unsigned int)(strlen((char *)msg));
unsigned char user_id[] = {"1234567812345678"};
unsigned int user_id_len = (unsigned int)(strlen((char *)user_id));
unsigned char pub_key[65] = {0x04, 0x09, 0xf9, 0xdf, 0x31, 0x1e, 0x54, 0x21, 0xa1,
0x50, 0xdd, 0x7d, 0x16, 0x1e, 0x4b, 0xc5, 0xc6,
0x72, 0x17, 0x9f, 0xad, 0x18, 0x33, 0xfc, 0x07,
0x6b, 0xb0, 0x8f, 0xf3, 0x56, 0xf3, 0x50, 0x20,
0xcc, 0xea, 0x49, 0x0c, 0xe2, 0x67, 0x75, 0xa5,
0x2d, 0xc6, 0xea, 0x71, 0x8c, 0xc1, 0xaa, 0x60,
0x0a, 0xed, 0x05, 0xfb, 0xf3, 0x5e, 0x08, 0x4a,
0x66, 0x32, 0xf6, 0x07, 0x2d, 0xa9, 0xad, 0x13};
unsigned char pri_key[32] = {0x39, 0x45, 0x20, 0x8f, 0x7b, 0x21, 0x44, 0xb1,
0x3f, 0x36, 0xe3, 0x8a, 0xc6, 0xd3, 0x9f, 0x95,
0x88, 0x93, 0x93, 0x69, 0x28, 0x60, 0xb5, 0x1a,
0x42 ,0xfb, 0x81, 0xef, 0x4d, 0xf7, 0xc5, 0xb8};
SM2_SIGNATURE_STRUCT sm2_sig;
unsigned char std_r[32] = {0xf5, 0xa0, 0x3b, 0x06, 0x48, 0xd2, 0xc4 ,0x63,
0x0e, 0xea, 0xc5, 0x13, 0xe1, 0xbb, 0x81, 0xa1,
0x59, 0x44, 0xda, 0x38, 0x27, 0xd5, 0xb7, 0x41,
0x43, 0xac, 0x7e, 0xac, 0xee, 0xe7, 0x20, 0xb3};
unsigned char std_s[32] = {0xb1, 0xb6, 0xaa, 0x29, 0xdf, 0x21, 0x2f, 0xd8,
0x76, 0x31, 0x82, 0xbc, 0x0d, 0x42, 0x1c, 0xa1,
0xbb, 0x90, 0x38, 0xfd, 0x1f, 0x7f, 0x42, 0xd4,
0x84, 0x0b, 0x69, 0xc4, 0x85, 0xbb, 0xc1, 0xaa};
int i;
if ( error_code = sm2_sign_data_test(msg,
msg_len,
user_id,
user_id_len,
pub_key,
pri_key,
&sm2_sig) )
{
printf("Create SM2 signature by using input defined in standard failed!\n");
return error_code;
}
if ( memcmp(sm2_sig.r_coordinate, std_r, sizeof(std_r)) )
{
printf("r coordinate of SM2 signature is invalid!\n");
return (-1);
}
if ( memcmp(sm2_sig.s_coordinate, std_s, sizeof(std_s)) )
{
printf("s coordinate of SM2 signature is invalid!\n");
return (-1);
}
printf("Create SM2 signature by using input defined in standard succeeded!\n");
printf("SM2 signature:\n");
printf("r coordinate:\n");
for (i = 0; i < sizeof(sm2_sig.r_coordinate); i++)
{
printf("0x%x ", sm2_sig.r_coordinate[i]);
}
printf("\n");
printf("s coordinate:\n");
for (i = 0; i < sizeof(sm2_sig.s_coordinate); i++)
{
printf("0x%x ", sm2_sig.s_coordinate[i]);
}
printf("\n\n");
if ( error_code = sm2_verify_sig(msg,
msg_len,
user_id,
user_id_len,
pub_key,
&sm2_sig) )
{
printf("Verify SM2 signature created by using input defined in standard failed!\n");
return error_code;
}
printf("Verify SM2 signature created by using input defined in standard succeeded!\n");
return 0;
}
/*********************************************************/
int test_sm2_sign_and_verify(void)
{
int error_code;
unsigned char msg[] = {"message digest"};
unsigned int msg_len = (unsigned int)(strlen((char *)msg));
unsigned char user_id[] = {"1234567812345678"};
unsigned int user_id_len = (unsigned int)(strlen((char *)user_id));
SM2_KEY_PAIR key_pair;
SM2_SIGNATURE_STRUCT sm2_sig;
int i;
if ( error_code = sm2_create_key_pair(&key_pair) )
{
printf("Create SM2 key pair failed!\n");
return (-1);
}
printf("Create SM2 key pair succeeded!\n");
printf("Private key:\n");
for (i = 0; i < sizeof(key_pair.pri_key); i++)
{
printf("0x%x ", key_pair.pri_key[i]);
}
printf("\n\n");
printf("Public key:\n");
for (i = 0; i < sizeof(key_pair.pub_key); i++)
{
printf("0x%x ", key_pair.pub_key[i]);
}
printf("\n\n");
printf("/*********************************************************/\n");
if ( error_code = sm2_sign_data(msg,
msg_len,
user_id,
user_id_len,
key_pair.pub_key,
key_pair.pri_key,
&sm2_sig) )
{
printf("Create SM2 signature failed!\n");
return error_code;
}
printf("Create SM2 signature succeeded!\n");
printf("SM2 signature:\n");
printf("r coordinate:\n");
for (i = 0; i < sizeof(sm2_sig.r_coordinate); i++)
{
printf("0x%x ", sm2_sig.r_coordinate[i]);
}
printf("\n");
printf("s coordinate:\n");
for (i = 0; i < sizeof(sm2_sig.s_coordinate); i++)
{
printf("0x%x ", sm2_sig.s_coordinate[i]);
}
printf("\n\n");
if ( error_code = sm2_verify_sig(msg,
msg_len,
user_id,
user_id_len,
key_pair.pub_key,
&sm2_sig) )
{
printf("Verify SM2 signature failed!\n");
return error_code;
}
printf("Verify SM2 signature succeeded!\n");
return 0;
}