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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                declare(strict_types=1);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace SAML2\XML\xenc;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use DOMElement;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use SAML2\Utils;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use SAML2\XML\ds\KeyInfo;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use Webmozart\Assert\Assert;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Class representing an encrypted key.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package simplesamlphp/saml2  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class EncryptedKey extends EncryptedData  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /** @var string */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected $carriedKeyName;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /** @var string */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected $recipient;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /** @var ReferenceList */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected $referenceList;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * EncryptedKey constructor.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param CipherData $cipherData The CipherData object of this EncryptedData.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string|null $id The Id attribute of this object. Optional.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string|null $type The Type attribute of this object. Optional.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string|null $mimeType The MimeType attribute of this object. Optional.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string|null $encoding The Encoding attribute of this object. Optional.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string|null $recipient The Recipient attribute of this object. Optional.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string|null $carriedKeyName The value of the CarriedKeyName element of this EncryptedData.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param EncryptionMethod|null $encryptionMethod The EncryptionMethod object of this EncryptedData. Optional.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param KeyInfo|null $keyInfo The KeyInfo object of this EncryptedData. Optional.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param ReferenceList|null $referenceList The ReferenceList object of this EncryptedData. Optional.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function __construct(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        CipherData $cipherData,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ?string $id = null,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ?string $type = null,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ?string $mimeType = null,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ?string $encoding = null,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ?string $recipient = null,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ?string $carriedKeyName = null,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ?EncryptionMethod $encryptionMethod = null,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ?KeyInfo $keyInfo = null,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        ?ReferenceList $referenceList = null  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        parent::__construct($cipherData, $id, $type, $mimeType, $encoding, $encryptionMethod, $keyInfo);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->setRecipient($recipient);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->setReferenceList($referenceList);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->setCarriedKeyName($carriedKeyName);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Get the value of the CarriedKeyName element.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return string|null  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function getCarriedKeyName(): ?string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this->carriedKeyName;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string|null $carriedKeyName  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected function setCarriedKeyName(?string $carriedKeyName): void  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->carriedKeyName = $carriedKeyName;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Get the value of the Recipient attribute.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return string|null  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function getRecipient(): ?string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this->recipient;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string|null $recipient  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected function setRecipient(?string $recipient): void  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->recipient = $recipient;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Get the ReferenceList object.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return ReferenceList|null  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function getReferenceList(): ?ReferenceList  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this->referenceList;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param ReferenceList|null $referenceList  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    protected function setReferenceList(?ReferenceList $referenceList): void  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $this->referenceList = $referenceList;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @inheritDoc  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public static function fromXML(DOMElement $xml): object  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        Assert::same($xml->localName, 'EncryptedKey');  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        Assert::same($xml->namespaceURI, EncryptedKey::NS);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $cipherData = CipherData::getChildrenOfClass($xml);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        Assert::count($cipherData, 1, 'No or more than one CipherData element found in <xenc:EncryptedKey>.');  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        $encryptionMethod = EncryptionMethod::getChildrenOfClass($xml);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        Assert::maxCount(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            $encryptionMethod,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            1,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                                     | 
                
                 | 
                            'No more than one EncryptionMethod element allowed in <xenc:EncryptedKey>.'  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    138
                 | 
                                    
                                                     | 
                
                 | 
                        );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    139
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    140
                 | 
                                    
                                                     | 
                
                 | 
                        $keyInfo = KeyInfo::getChildrenOfClass($xml);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    141
                 | 
                                    
                                                     | 
                
                 | 
                        Assert::maxCount($keyInfo, 1, 'No more than one KeyInfo element allowed in <xenc:EncryptedKey>.');  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    142
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    143
                 | 
                                    
                                                     | 
                
                 | 
                        $referenceLists = ReferenceList::getChildrenOfClass($xml);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    144
                 | 
                                    
                                                     | 
                
                 | 
                        Assert::maxCount($keyInfo, 1, 'Only one ReferenceList element allowed in <xenc:EncryptedKey>.');  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    145
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    146
                 | 
                                    
                                                     | 
                
                 | 
                        $carriedKeyNames = Utils::xpQuery($xml, './xenc:CarriedKeyName');  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    147
                 | 
                                    
                                                     | 
                
                 | 
                        Assert::maxCount($carriedKeyNames, 1, 'Only one CarriedKeyName element allowed in <xenc:EncryptedKey>.');  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    148
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    149
                 | 
                                    
                                                     | 
                
                 | 
                        return new self(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    150
                 | 
                                    
                                                     | 
                
                 | 
                            $cipherData[0],  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    151
                 | 
                                    
                                                     | 
                
                 | 
                            self::getAttribute($xml, 'Id', null),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    152
                 | 
                                    
                                                     | 
                
                 | 
                            self::getAttribute($xml, 'Type', null),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    153
                 | 
                                    
                                                     | 
                
                 | 
                            self::getAttribute($xml, 'MimeType', null),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    154
                 | 
                                    
                                                     | 
                
                 | 
                            self::getAttribute($xml, 'Type', null),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    155
                 | 
                                    
                                                     | 
                
                 | 
                            self::getAttribute($xml, 'Recipient', null),  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    156
                 | 
                                    
                                                     | 
                
                 | 
                            count($carriedKeyNames) === 1 ? $carriedKeyNames[0]->textContent : null,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    157
                 | 
                                    
                                                     | 
                
                 | 
                            count($encryptionMethod) === 1 ? $encryptionMethod[0] : null,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    158
                 | 
                                    
                                                     | 
                
                 | 
                            count($keyInfo) === 1 ? $keyInfo[0] : null,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    159
                 | 
                                    
                                                     | 
                
                 | 
                            count($referenceLists) === 1 ? $referenceLists[0] : null  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    160
                 | 
                                    
                                                     | 
                
                 | 
                        );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    161
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    162
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    163
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    164
                 | 
                                    
                                                     | 
                
                 | 
                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    165
                 | 
                                    
                                                     | 
                
                 | 
                     * @inheritDoc  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    166
                 | 
                                    
                                                     | 
                
                 | 
                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    167
                 | 
                                    
                                                     | 
                
                 | 
                    public function toXML(DOMElement $parent = null): DOMElement  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    168
                 | 
                                    
                                                     | 
                
                 | 
                    { | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    169
                 | 
                                    
                                                     | 
                
                 | 
                        $e = parent::toXML($parent);  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    170
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    171
                 | 
                                    
                                                     | 
                
                 | 
                        if ($this->referenceList !== null) { | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    172
                 | 
                                    
                                                     | 
                
                 | 
                            $this->referenceList->toXML($e);  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    173
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    174
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    175
                 | 
                                    
                                                     | 
                
                 | 
                        if ($this->carriedKeyName !== null) { | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    176
                 | 
                                    
                                                     | 
                
                 | 
                            $ckn = $e->ownerDocument->createElementNS(self::NS, self::NS_PREFIX . ':CarriedKeyName');  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    177
                 | 
                                    
                                                     | 
                
                 | 
                            $ckn->textContent = $this->carriedKeyName;  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    178
                 | 
                                    
                                                     | 
                
                 | 
                            $e->appendChild($ckn);  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    179
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    180
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    181
                 | 
                                    
                                                     | 
                
                 | 
                        if ($this->recipient !== null) { | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    182
                 | 
                                    
                                                     | 
                
                 | 
                            $e->setAttribute('Recipient', $this->recipient); | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    183
                 | 
                                    
                                                     | 
                
                 | 
                        }  | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    184
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                        
                            
            
                                    
            
            
                | 
                    185
                 | 
                                    
                                                     | 
                
                 | 
                        return $e;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    186
                 | 
                                    
                                                     | 
                
                 | 
                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    187
                 | 
                                    
                                                     | 
                
                 | 
                }  | 
            
            
                                                        
            
                                    
            
            
                | 
                    188
                 | 
                                    
                                                     | 
                
                 | 
                 |