File Content: Abstract.php <?php /* * Copyright 2011 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /** * Signs data. * * @author Brian Eaton <beaton@google.com> */ abstract class Google_Signer_Abstract { /** * Signs data, returns the signature as binary data. */ abstract public function sign($data); } Submit