1/*
2 * Copyright 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package libcore.javax.crypto;
18
19import java.security.InvalidAlgorithmParameterException;
20import java.security.InvalidKeyException;
21import java.security.Key;
22import java.security.NoSuchAlgorithmException;
23import java.security.SecureRandom;
24import java.security.spec.AlgorithmParameterSpec;
25import javax.crypto.KeyAgreementSpi;
26import javax.crypto.SecretKey;
27import javax.crypto.ShortBufferException;
28
29/**
30 * Mock KeyAgreementSpi used by {@link KeyAgreementTest}.
31 */
32public class MockKeyAgreementSpi extends KeyAgreementSpi {
33    public static class SpecificKeyTypes extends MockKeyAgreementSpi {
34        @Override
35        public void checkKeyType(Key key) throws InvalidKeyException {
36            if (!(key instanceof MockKey)) {
37                throw new InvalidKeyException("Must be MockKey!");
38            }
39        }
40    }
41
42    public static class SpecificKeyTypes2 extends MockKeyAgreementSpi {
43        @Override
44        public void checkKeyType(Key key) throws InvalidKeyException {
45            System.err.println("Checking key of type " + key.getClass().getName());
46            if (!(key instanceof MockKey2)) {
47                throw new InvalidKeyException("Must be MockKey2!");
48            }
49        }
50    }
51
52    public static class AllKeyTypes extends MockKeyAgreementSpi {
53    }
54
55    public void checkKeyType(Key key) throws InvalidKeyException {
56    }
57
58    @Override
59    protected Key engineDoPhase(Key key, boolean lastPhase) throws InvalidKeyException,
60            IllegalStateException {
61        throw new UnsupportedOperationException("not implemented");
62    }
63
64    @Override
65    protected byte[] engineGenerateSecret() throws IllegalStateException {
66        throw new UnsupportedOperationException("not implemented");
67    }
68
69    @Override
70    protected int engineGenerateSecret(byte[] sharedSecret, int offset)
71            throws IllegalStateException, ShortBufferException {
72        throw new UnsupportedOperationException("not implemented");
73    }
74
75    @Override
76    protected SecretKey engineGenerateSecret(String algorithm) throws IllegalStateException,
77            NoSuchAlgorithmException, InvalidKeyException {
78        throw new UnsupportedOperationException("not implemented");
79    }
80
81    @Override
82    protected void engineInit(Key key, SecureRandom random) throws InvalidKeyException {
83        checkKeyType(key);
84    }
85
86    @Override
87    protected void engineInit(Key key, AlgorithmParameterSpec params, SecureRandom random)
88            throws InvalidKeyException, InvalidAlgorithmParameterException {
89        checkKeyType(key);
90    }
91}
92