chamilo / chamilo-lms

        $refNode->appendChild($digestValue);

    }

    public function addReference($node, $algorithm, $arTransforms=NULL, $options=NULL) {

        if ($xpath = $this->getXPathObj()) {

            $query = "./secdsig:SignedInfo";

            $nodeset = $xpath->query($query, $this->sigNode);

            if ($sInfo = $nodeset->item(0)) {

                $this->addRefInternal($sInfo, $node, $algorithm, $arTransforms, $options);

            }

        }

    }

    public function addReferenceList($arNodes, $algorithm, $arTransforms=NULL, $options=NULL) {

        if ($xpath = $this->getXPathObj()) {

        }

    }

    public function addReferenceList($arNodes, $algorithm, $arTransforms=NULL, $options=NULL) {

        if ($xpath = $this->getXPathObj()) {

            $query = "./secdsig:SignedInfo";

            $nodeset = $xpath->query($query, $this->sigNode);

            if ($sInfo = $nodeset->item(0)) {

                foreach ($arNodes AS $node) {

                    $this->addRefInternal($sInfo, $node, $algorithm, $arTransforms, $options);

                }

            }

        }

    }

    public function addObject($data, $mimetype=NULL, $encoding=NULL) {

        $objNode = $this->createNewSignNode('Object');