1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
/*
* Copyright (C) 2015 The Android Open Source Project
*
* 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
*/
package libcore.javax.crypto;
import static java.nio.charset.StandardCharsets.UTF_8;
import java.security.InvalidKeyException;
import java.security.Provider;
import java.security.Security;
import java.util.Arrays;
import javax.crypto.Mac;
import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.PBEKeySpec;
import junit.framework.TestCase;
public class MacTest extends TestCase {
private static abstract class MockProvider extends Provider {
public MockProvider(String name) {
super(name, 1.0, "Mock provider used for testing");
setup();
}
public abstract void setup();
}
/**
* Several exceptions can be thrown by init. Check that in this case we throw the right one,
* as the error could fall under the umbrella of other exceptions.
* http://b/18987633
*/
public void testMac_init_DoesNotSupportKeyClass_throwsInvalidKeyException()
throws Exception {
Provider mockProvider = new MockProvider("MockProvider") {
@Override
public void setup() {
put("Mac.FOO", MockMacSpi.AllKeyTypes.class.getName());
put("Mac.FOO SupportedKeyClasses", "none");
}
};
Security.addProvider(mockProvider);
try {
Mac c = Mac.getInstance("FOO");
c.init(new MockKey());
fail("Expected InvalidKeyException");
} catch (InvalidKeyException expected) {
} finally {
Security.removeProvider(mockProvider.getName());
}
}
/**
* Aliases used to be wrong due to a typo.
* http://b/31114355
*/
public void testMac_correctAlias() throws Exception {
Provider androidOpenSSLProvider = Security.getProvider("AndroidOpenSSL");
assertEquals("HmacSHA224", androidOpenSSLProvider.get("Alg.Alias.Mac.1.2.840.113549.2.8"));
assertEquals("HmacSHA256", androidOpenSSLProvider.get("Alg.Alias.Mac.1.2.840.113549.2.9"));
}
// Known answers from the SunJCE provider using the code below. Run with
// vogar --classpath sunjce_provider.jar
//
// secretKeyFactory = SecretKeyFactory.getInstance("PBEWithHmacSHA" + shaVariant + "AndAES_128",
// new com.sun.crypto.provider.SunJCE());
// pbeKeySpec = new PBEKeySpec(password);
//
// secretKey = secretKeyFactory.generateSecret(pbeKeySpec);
// mac = Mac.getInstance("PBEWITHHMACSHA" + shaVariant, new com.sun.crypto.provider.SunJCE());
// mac.init(secretKey, new PBEParameterSpec(salt, iterationCount));
// byte[] sunResult = mac.doFinal(plaintext);
private final byte[][] SUN_JCA_KNOWN_ANSWERS_FOR_SHA_VARIANTS = {
{ 44, -78, -97, -109, -125, 49, 68, 58, -9, -99, -27, -122, 58, 27, 7, 45, 87, -92,
-74, 64 },
{ 59, -13, 28, 53, 79, -79, -127, 117, 3, -23, -75, -127, -44, -47, -43, 28, 76, -114,
-110, 26, 59, 70, -91, 19, -52, 36, -64, -54 },
{ 88, 54, -105, -122, 14, 73, -40, -43, 52, -21, -33, -103, 32, 81, 115, 53, 111, 78,
32, -108, 71, -74, -84, 125, 80, 13, -35, -36, 27, 56, 32, 104 },
{ -83, 60, -92, 44, -58, 86, -121, 104, 114, -67, 14, 80, 84, -48, -14, 38, 14, -62,
-96, 118, 53, -59, -33, -90, 85, -110, 105, -119, -81, 57, 43, -66, 99, 106, 35,
-16, -115, 29, -56, -52, -39, 102, -1, -90, 110, -52, 48, -32},
{ -22, -69, -77, 11, -14, -128, -121, 5, 48, 18, 107, -22, 64, -45, 18, 60, 24, -42,
-67, 111, 110, -99, -19, 14, -21, -43, 26, 68, -40, 82, 123, 39, 115, 34, 6,
-67, 27, -73, -63, -56, -39, 65, -75, -14, -5, -94, -8, 126, -44, -97, 95, 31,
61, 123, -17, 14, 117, 71, -45, 53, -76, -91, 91, -121}
};
/**
* Test that BC has the same results as the SunJCA provider for
*/
public void test_PBEWITHHMACSHA_Variants() throws Exception {
byte[] plaintext = new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34 };
byte[] salt = "saltsalt".getBytes(UTF_8);
char[] password = "password".toCharArray();
int iterationCount = 100;
int[] shaVariants = { 1, 224, 256, 384, 512 };
for (int shaVariantIndex = 0; shaVariantIndex < shaVariants.length; shaVariantIndex++) {
int shaVariant = shaVariants[shaVariantIndex];
SecretKeyFactory secretKeyFactory =
SecretKeyFactory.getInstance("PBKDF2WITHHMACSHA" + shaVariant, "BC");
PBEKeySpec pbeKeySpec = new PBEKeySpec(password,
salt,
iterationCount,
// Key depending on block size!
(shaVariant < 384) ? 64 : 128);
SecretKey secretKey = secretKeyFactory.generateSecret(pbeKeySpec);
Mac mac = Mac.getInstance("PBEWITHHMACSHA" + shaVariant, "BC");
mac.init(secretKey);
byte[] bcResult = mac.doFinal(plaintext);
assertEquals(
Arrays.toString(SUN_JCA_KNOWN_ANSWERS_FOR_SHA_VARIANTS[shaVariantIndex]),
Arrays.toString(bcResult));
}
}
}
|
