| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| |
| /** |
| * @author Vera Y. Petrashkova |
| * @version $Revision$ |
| */ |
| |
| package org.apache.harmony.crypto.tests.support; |
| |
| import java.security.InvalidAlgorithmParameterException; |
| import java.security.InvalidKeyException; |
| import java.security.Key; |
| import java.security.spec.AlgorithmParameterSpec; |
| |
| import javax.crypto.MacSpi; |
| import javax.crypto.spec.SecretKeySpec; |
| |
| /** |
| * Additional class for verification of MacGeneratorSpi and MacSpi |
| * |
| */ |
| |
| public class MyMacSpi extends MacSpi { |
| |
| private int length = 0; |
| @Override |
| protected int engineGetMacLength() { |
| return length; |
| } |
| |
| @Override |
| protected void engineInit(Key key, AlgorithmParameterSpec params) |
| throws InvalidKeyException, InvalidAlgorithmParameterException { |
| if (params == null) { |
| if (!(key instanceof SecretKeySpec)) { |
| throw new IllegalArgumentException("params is null and key is SecretKeySpec"); |
| } |
| } |
| } |
| |
| @Override |
| protected void engineUpdate(byte input) { |
| } |
| |
| @Override |
| protected void engineUpdate(byte[] input, int offset, int len) { |
| if (offset >= 0 && len >= 0) { |
| length = len; |
| } |
| } |
| |
| @Override |
| protected byte[] engineDoFinal() { |
| return new byte[length]; |
| } |
| |
| @Override |
| protected void engineReset() { |
| length++; |
| } |
| } |