verify

static VALUE
ossl_spki_verify(VALUE self, VALUE key)
{
    NETSCAPE_SPKI *spki;

    GetSPKI(self, spki);
    switch (NETSCAPE_SPKI_verify(spki, GetPKeyPtr(key))) { /* NO NEED TO DUP */
    case 0:
        return Qfalse;
    case 1:
        return Qtrue;
    default:
        ossl_raise(eSPKIError, NULL);
    }
    return Qnil; /* dummy */
}