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      1 /*
      2  *  Licensed to the Apache Software Foundation (ASF) under one or more
      3  *  contributor license agreements.  See the NOTICE file distributed with
      4  *  this work for additional information regarding copyright ownership.
      5  *  The ASF licenses this file to You under the Apache License, Version 2.0
      6  *  (the "License"); you may not use this file except in compliance with
      7  *  the License.  You may obtain a copy of the License at
      8  *
      9  *     http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  *  Unless required by applicable law or agreed to in writing, software
     12  *  distributed under the License is distributed on an "AS IS" BASIS,
     13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  *  See the License for the specific language governing permissions and
     15  *  limitations under the License.
     16  */
     17 
     18 /**
     19 * @author Vera Y. Petrashkova
     20 * @version $Revision$
     21 */
     22 
     23 package org.apache.harmony.crypto.tests.support;
     24 
     25 import java.security.InvalidAlgorithmParameterException;
     26 import java.security.InvalidKeyException;
     27 import java.security.Key;
     28 import java.security.NoSuchAlgorithmException;
     29 import java.security.SecureRandom;
     30 import java.security.spec.AlgorithmParameterSpec;
     31 
     32 import javax.crypto.KeyAgreementSpi;
     33 import javax.crypto.SecretKey;
     34 import javax.crypto.ShortBufferException;
     35 
     36 /**
     37  * Additional class for verification of KeyAgreementSpi
     38  * and KeyAgreement functionality
     39  *
     40  */
     41 
     42 public class MyKeyAgreementSpi extends KeyAgreementSpi {
     43 
     44     @Override
     45     protected Key engineDoPhase(Key key, boolean lastPhase)
     46             throws InvalidKeyException, IllegalStateException {
     47         if (!lastPhase) {
     48             throw new IllegalStateException("last Phase is false");
     49         }
     50         return null;
     51     }
     52 
     53     @Override
     54     protected byte[] engineGenerateSecret() throws IllegalStateException {
     55         return new byte[0];
     56     }
     57 
     58     @Override
     59     protected int engineGenerateSecret(byte[] sharedSecret, int offset)
     60             throws IllegalStateException, ShortBufferException {
     61         return -1;
     62     }
     63 
     64     @Override
     65     protected SecretKey engineGenerateSecret(String algorithm)
     66             throws IllegalStateException, NoSuchAlgorithmException,
     67             InvalidKeyException {
     68         if (algorithm.length() == 0) {
     69             throw new NoSuchAlgorithmException("Algorithm is empty");
     70         }
     71         return null;
     72     }
     73 
     74     @Override
     75     protected void engineInit(Key key, SecureRandom random)
     76             throws InvalidKeyException {
     77         throw new IllegalArgumentException("Invalid parameter");
     78     }
     79 
     80     @Override
     81     protected void engineInit(Key key, AlgorithmParameterSpec params,
     82             SecureRandom random) throws InvalidKeyException,
     83             InvalidAlgorithmParameterException {
     84         throw new IllegalArgumentException("Invalid parameter");
     85     }
     86 }
     87