if (argc == 1) {
if (!opt_int(argv[0], &num) || num <= 0)
goto end;
+ if (num > OPENSSL_RSA_MAX_MODULUS_BITS)
+ BIO_printf(bio_err,
+ "Warning: It is not recommended to use more than %d bit for RSA keys.\n"
+ " Your key size is %d! Larger key size may behave not as expected.\n",
+ OPENSSL_RSA_MAX_MODULUS_BITS, num);
} else if (argc > 0) {
BIO_printf(bio_err, "Extra arguments given.\n");
goto opthelp;