serial=

static VALUE
ossl_x509revoked_set_serial(VALUE self, VALUE num)
{
    X509_REVOKED *rev;
    ASN1_INTEGER *asn1int;

    GetX509Rev(self, rev);
    asn1int = num_to_asn1integer(num, NULL);
    if (!X509_REVOKED_set_serialNumber(rev, asn1int)) {
        ASN1_INTEGER_free(asn1int);
        ossl_raise(eX509RevError, "X509_REVOKED_set_serialNumber");
    }
    ASN1_INTEGER_free(asn1int);

    return num;
}