RobRichards\WsePhp\WSSESoap::addEncryptedKey PHP Метод

    public function addEncryptedKey($node, $key, $token, $options = null)
    {
        if (!$key->encKey) {
            return false;
        }
        $encKey = $key->encKey;
        $security = $this->locateSecurityHeader();
        $doc = $security->ownerDocument;
        if (!$doc->isSameNode($encKey->ownerDocument)) {
            $key->encKey = $security->ownerDocument->importNode($encKey, true);
            $encKey = $key->encKey;
        }
        if (!empty($key->guid)) {
            return true;
        }
        $lastToken = null;
        $findTokens = $security->firstChild;
        while ($findTokens) {
            if ($findTokens->localName == 'BinarySecurityToken') {
                $lastToken = $findTokens;
            }
            $findTokens = $findTokens->nextSibling;
        }
        if ($lastToken) {
            $lastToken = $lastToken->nextSibling;
        }
        $security->insertBefore($encKey, $lastToken);
        $key->guid = XMLSecurityDSig::generateGUID();
        $encKey->setAttribute('Id', $key->guid);
        $encMethod = $encKey->firstChild;
        while ($encMethod && $encMethod->localName != 'EncryptionMethod') {
            $encMethod = $encMethod->nextChild;
        }
        if ($encMethod) {
            $encMethod = $encMethod->nextSibling;
        }
        $objDoc = $encKey->ownerDocument;
        $keyInfo = $objDoc->createElementNS('http://www.w3.org/2000/09/xmldsig#', 'dsig:KeyInfo');
        $encKey->insertBefore($keyInfo, $encMethod);
        $tokenRef = $objDoc->createElementNS(self::WSSENS, self::WSSEPFX . ':SecurityTokenReference');
        $keyInfo->appendChild($tokenRef);
        /* New suff */
        if (is_array($options)) {
            if (!empty($options['KeyInfo'])) {
                if (!empty($options['KeyInfo']['X509SubjectKeyIdentifier'])) {
                    $reference = $objDoc->createElementNS(self::WSSENS, self::WSSEPFX . ':KeyIdentifier');
                    $reference->setAttribute('ValueType', 'http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509SubjectKeyIdentifier');
                    $reference->setAttribute('EncodingType', 'http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary');
                    $tokenRef->appendChild($reference);
                    $x509 = openssl_x509_parse($token->getX509Certificate());
                    $keyid = $x509['extensions']['subjectKeyIdentifier'];
                    $arkeyid = split(':', $keyid);
                    $data = '';
                    foreach ($arkeyid as $hexchar) {
                        $data .= chr(hexdec($hexchar));
                    }
                    $dataNode = new DOMText(base64_encode($data));
                    $reference->appendChild($dataNode);
                    return true;
                }
            }
        }
        $tokenURI = '#' . $token->getAttributeNS(self::WSUNS, 'Id');
        $reference = $objDoc->createElementNS(self::WSSENS, self::WSSEPFX . ':Reference');
        $reference->setAttribute('URI', $tokenURI);
        $tokenRef->appendChild($reference);
        return true;
    }