diff --git a/src/XML/ds/KeyInfo.php b/src/XML/ds/KeyInfo.php index e33f2a1b..1c013590 100644 --- a/src/XML/ds/KeyInfo.php +++ b/src/XML/ds/KeyInfo.php @@ -13,6 +13,7 @@ use SimpleSAML\XML\XsNamespace as NS; use SimpleSAML\XMLSecurity\Constants as C; use SimpleSAML\XMLSecurity\Exception\InvalidArgumentException; +use SimpleSAML\XMLSecurity\XML\ds\AbstractDsElement; /** * Class representing a ds:KeyInfo element. @@ -53,7 +54,7 @@ public function __construct( Assert::nullOrValidNCName($Id); foreach ($info as $item) { - if ($item->getNamespaceURI() === static::NS) { + if ($item instanceof AbstractDsElement) { Assert::isInstanceOfAny( $item, [KeyName::class, KeyValue::class, RetrievalMethod::class, X509Data::class],