Commit 1c6aab6a authored by Richard Levitte's avatar Richard Levitte
Browse files

Make 'openssl prime ""' not segfault 



Fixes RT#4699

Reviewed-by: default avatarTim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/1668)
parent 99c002b3

apps/prime.c

+10 −2
Original line number Diff line number Diff line
@@ -128,16 +128,24 @@ int MAIN(int argc, char **argv) 
        BIO_printf(bio_out, "%s\n", s);

        OPENSSL_free(s);

    } else {

        int r;



        if (hex)

            BN_hex2bn(&bn, argv[0]);

            r = BN_hex2bn(&bn, argv[0]);

        else

            BN_dec2bn(&bn, argv[0]);

            r = BN_dec2bn(&bn, argv[0]);



        if(!r) {

            BIO_printf(bio_err, "Failed to process value (%s)\n", argv[0]);

            goto end;

        }



        BN_print(bio_out, bn);

        BIO_printf(bio_out, " is %sprime\n",

                   BN_is_prime_ex(bn, checks, NULL, NULL) ? "" : "not ");

    }



 end:

    BN_free(bn);

    BIO_free_all(bio_out);