Files
GmSSL/demos/sm2/sm2_public_key_demo.c
2022-08-28 19:12:50 +08:00

34 lines
768 B
C

/*
* Copyright 2014-2022 The GmSSL Project. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
*
* http://www.apache.org/licenses/LICENSE-2.0
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <gmssl/mem.h>
#include <gmssl/sm2.h>
int main(void)
{
SM2_KEY sm2_key;
char *password = "123456";
printf("Read SM2 private key file (PEM) from stdin ...\n");
if (sm2_private_key_info_decrypt_from_pem(&sm2_key, password, stdin) != 1) {
fprintf(stderr, "error\n");
return 1;
}
// openssl ec -pubin -in sm2pub.pem -text
sm2_public_key_info_to_pem(&sm2_key, stdout);
gmssl_secure_clear(&sm2_key, sizeof(sm2_key));
return 0;
}