Files
GmSSL/demos/sm2/sm2_public_key_demo.c
2022-07-31 22:39:27 +08:00

25 lines
508 B
C

#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;
}