Files
GmSSL/demos/src/sm2_keyparse_demo.c
Zhi Guan 2c988b008b Update demos
To build demos, run
`cmake .. -DENABLE_DEMOS=ON`
2023-12-16 11:42:10 +08:00

61 lines
1.0 KiB
C

/*
* Copyright 2014-2023 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(int argc, char **argv)
{
char *prog = argv[0];
char *keyfile;
char *pass;
FILE *keyfp = NULL;
SM2_KEY sm2_key;
if (argc < 3) {
fprintf(stderr, "usage: %s <key.pem> <pass>\n", prog);
return -1;
}
keyfile = argv[1];
pass = argv[2];
if (!(keyfp = fopen(keyfile, "rb"))) {
fprintf(stderr, "%s: open file '%s' failure\n", prog, keyfile);
return -1;
}
if (sm2_private_key_info_decrypt_from_pem(&sm2_key, pass, keyfp) != 1) {
fprintf(stderr, "%s: load key failure\n", prog);
fclose(keyfp);
return -1;
}
sm2_key_print(stdout, 0, 0, "SM2_KEY", &sm2_key);
gmssl_secure_clear(&sm2_key, sizeof(sm2_key));
fclose(keyfp);
return 0;
}