sspmod_saml_Message::getBlacklistedAlgorithms PHP Method

    public static function getBlacklistedAlgorithms(SimpleSAML_Configuration $srcMetadata, SimpleSAML_Configuration $dstMetadata)
    {
        $blacklist = $srcMetadata->getArray('encryption.blacklisted-algorithms', NULL);
        if ($blacklist === NULL) {
            $blacklist = $dstMetadata->getArray('encryption.blacklisted-algorithms', array(XMLSecurityKey::RSA_1_5));
        }
        return $blacklist;
    }

    if (!is_null($sid['url'])) {
        SimpleSAML_Utilities::checkURLAllowed($sid['url']);
    }
    $state = SimpleSAML_Auth_State::loadState($relayState, 'saml:slosent');
    $state['saml:sp:LogoutStatus'] = $message->getStatus();
    SimpleSAML_Auth_Source::completeLogout($state);
} elseif ($message instanceof SAML2_LogoutRequest) {
    SimpleSAML_Logger::debug('module/saml2/sp/logout: Request from ' . $idpEntityId);
    SimpleSAML_Logger::stats('saml20-idp-SLO idpinit ' . $spEntityId . ' ' . $idpEntityId);
    if ($message->isNameIdEncrypted()) {
        try {
            $keys = sspmod_saml_Message::getDecryptionKeys($idpMetadata, $spMetadata);
        } catch (Exception $e) {
            throw new SimpleSAML_Error_Exception('Error decrypting NameID: ' . $e->getMessage());
        }
        $blacklist = sspmod_saml_Message::getBlacklistedAlgorithms($idpMetadata, $spMetadata);
        $lastException = NULL;
        foreach ($keys as $i => $key) {
            try {
                $message->decryptNameId($key, $blacklist);
                SimpleSAML_Logger::debug('Decryption with key #' . $i . ' succeeded.');
                $lastException = NULL;
                break;
            } catch (Exception $e) {
                SimpleSAML_Logger::debug('Decryption with key #' . $i . ' failed with exception: ' . $e->getMessage());
                $lastException = $e;
            }
        }
        if ($lastException !== NULL) {
            throw $lastException;
        }