issuer=

static VALUE
ossl_x509_set_issuer(VALUE self, VALUE issuer)
{
    X509 *x509;

    GetX509(self, x509);
    if (!X509_set_issuer_name(x509, GetX509NamePtr(issuer))) { /* DUPs name */
        ossl_raise(eX509CertError, NULL);
    }

    return issuer;
}