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
23package org.apache.harmony.crypto.tests.support;
24
25import java.security.InvalidAlgorithmParameterException;
26import java.security.InvalidKeyException;
27import java.security.Key;
28import java.security.NoSuchAlgorithmException;
29import java.security.SecureRandom;
30import java.security.spec.AlgorithmParameterSpec;
31
32import javax.crypto.KeyAgreementSpi;
33import javax.crypto.SecretKey;
34import javax.crypto.ShortBufferException;
35
36/**
37 * Additional class for verification of KeyAgreementSpi
38 * and KeyAgreement functionality
39 *
40 */
41
42public 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