crypto_init();
FILE *fp = fopen(argv[1], "r");
+ if(!fp) {
+ fprintf(stderr, "Could not open %s: %s\n", argv[1], strerror(errno));
+ return 1;
+ }
if(!(mykey = ecdsa_read_pem_private_key(fp)))
return 1;
fclose(fp);
fp = fopen(argv[2], "r");
+ if(!fp) {
+ fprintf(stderr, "Could not open %s: %s\n", argv[2], strerror(errno));
+ return 1;
+ }
if(!(hiskey = ecdsa_read_pem_public_key(fp)))
return 1;
fclose(fp);