OpenSSL::ASN1::ASN1Data#to_der

static VALUE
ossl_asn1data_to_der(VALUE self)
{
    VALUE value = ossl_asn1_get_value(self);

    if (rb_obj_is_kind_of(value, rb_cArray))
        return ossl_asn1cons_to_der(self);
    else {
        if (RTEST(ossl_asn1_get_indefinite_length(self)))
            ossl_raise(eASN1Error, "indefinite length form cannot be used " \
                       "with primitive encoding");
        return ossl_asn1prim_to_der(self);
    }
}