SimpleSAML_Configuration::toArray PHP Method

    public function toArray()
    {
        return $this->configuration;
    }

 /**
  * Encrypt an assertion.
  *
  * This function takes in a SAML2_Assertion and encrypts it if encryption of
  * assertions are enabled in the metadata.
  *
  * @param SimpleSAML_Configuration $srcMetadata  The metadata of the sender (IdP).
  * @param SimpleSAML_Configuration $dstMetadata  The metadata of the recipient (SP).
  * @param SAML2_Assertion $assertion  The assertion we are encrypting.
  * @return SAML2_Assertion|SAML2_EncryptedAssertion  The assertion.
  */
 public static function encryptAssertion(SimpleSAML_Configuration $srcMetadata, SimpleSAML_Configuration $dstMetadata, SAML2_Assertion $assertion)
 {
     $encryptAssertion = $dstMetadata->getBoolean('assertion.encryption', NULL);
     if ($encryptAssertion === NULL) {
         $encryptAssertion = $srcMetadata->getBoolean('assertion.encryption', FALSE);
     }
     if (!$encryptAssertion) {
         /* We are _not_ encrypting this assertion, and are therefore done. */
         return $assertion;
     }
     $sharedKey = $dstMetadata->getString('sharedkey', NULL);
     if ($sharedKey !== NULL) {
         $key = new XMLSecurityKey(XMLSecurityKey::AES128_CBC);
         $key->loadKey($sharedKey);
     } else {
         /* Find the certificate that we should use to encrypt messages to this SP. */
         $certArray = SimpleSAML_Utilities::loadPublicKey($dstMetadata->toArray(), TRUE);
         if (!array_key_exists('PEM', $certArray)) {
             throw new Exception('Unable to locate key we should use to encrypt the assertionst ' . 'to the SP: ' . var_export($dstMetadata->getString('entityid'), TRUE) . '.');
         }
         $pemCert = $certArray['PEM'];
         /* Extract the public key from the certificate for encryption. */
         $key = new XMLSecurityKey(XMLSecurityKey::RSA_1_5, array('type' => 'public'));
         $key->loadKey($pemCert);
     }
     $ea = new SAML2_EncryptedAssertion();
     $ea->setAssertion($assertion, $key);
     return $ea;
 }