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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
/*
* Copyright (c) 2012, 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.io.PrintStream;
import java.security.NoSuchAlgorithmException;
import java.security.spec.AlgorithmParameterSpec;
import java.util.Arrays;
import java.util.Random;
import javax.crypto.Cipher;
import javax.crypto.KeyGenerator;
import javax.crypto.SecretKey;
import javax.crypto.spec.IvParameterSpec;
public class Dynamic {
static final String ALGORITHM = "AES";
static final String[] MODE = {
"ECb", "CbC", "CTR", "PCBC", "OFB", "OFB150", "cFB", "CFB7",
"cFB8", "cFB16", "cFB24", "cFB32", "Cfb40", "cfB48", "cfB56",
"cfB64", "cfB72", "cfB80", "cfB88", "cfB96", "cfb104", "cfB112",
"cfB120", "cfB128", "OFB8", "OFB16", "OFB24", "OFB32", "OFB40",
"OFB48", "OFB56", "OFB64", "OFB72", "OFB80", "OFB88", "OFB96",
"OFB104", "OFB112", "OFB120", "OFB128", "GCM"
};
static final String[] PADDING = {
"NoPadding", "PKCS5Padding", "ISO10126Padding"
};
static final String SUNJCE = "SunJCE";
Cipher ci = null;
byte[] iv = null;
AlgorithmParameterSpec aps = null;
SecretKey key = null;
int keyStrength;
static int DefaultSize = 128;
public void run(String[] argv) throws Exception {
if (!runAllTest(argv, System.out)) {
throw new Exception("Test Failed");
}
}
protected boolean runAllTest(String argv[], PrintStream out) {
boolean result = true;
StringBuilder failedList = new StringBuilder();
int failedCnt = 0;
int testCount = 0;
int padKinds; // how many kinds of padding mode such as PKCS5padding and
// NoPadding.
try {
for (int i = 0; i < 3; i++) {
keyStrength = DefaultSize + i * 64; // obtain the key size 128,
// 192, 256
for (int j = 0; j < MODE.length; j++) {
if (MODE[j].equalsIgnoreCase("ECB")
|| MODE[j].equalsIgnoreCase("PCBC")
|| MODE[j].equalsIgnoreCase("CBC")) {
padKinds = PADDING.length;
} else {
padKinds = 1;
}
for (int k = 0; k < padKinds; k++) {
testCount++;
try {
if (!runTest(ALGORITHM, MODE[j], PADDING[k])) {
result = false;
failedCnt++;
failedList.append(ALGORITHM + "/" + MODE[j]
+ "/" + PADDING[k] + " ");
}
} catch (Exception e) {
e.printStackTrace();
result = false;
failedCnt++;
failedList.append(ALGORITHM + "/" + MODE[j] + "/"
+ PADDING[k] + " ");
}
}
}
}
if (result) {
out.println("STATUS:Passed. Test " + testCount
+ " cases, All Passed");
return true;
}
out.println("STATUS:Failed. " + failedCnt + " Failed: "
+ failedList);
return false;
} catch (Exception ex) {
ex.printStackTrace();
out.println("STATUS:Failed. Unexpected Exception: " + ex);
return false;
}
}
protected boolean runTest(String algo, String mo, String pad)
throws Exception {
boolean result = true;
try {
byte[] plainText = new byte[160000];
new Random().nextBytes(plainText);
String transformation = algo + "/" + mo + "/" + pad;
ci = Cipher.getInstance(transformation, SUNJCE);
KeyGenerator kg = KeyGenerator.getInstance(algo, SUNJCE);
if (keyStrength > Cipher.getMaxAllowedKeyLength(transformation)) {
// skip if this key length is larger than what's
// configured in the jce jurisdiction policy files
System.out.println(keyStrength
+ " is larger than what's configured "
+ "in the jce jurisdiction policy files");
return result;
}
kg.init(keyStrength);
key = kg.generateKey();
if (!mo.equalsIgnoreCase("GCM")) {
ci.init(Cipher.ENCRYPT_MODE, key, aps);
} else {
ci.init(Cipher.ENCRYPT_MODE, key);
}
byte[] cipherText = new byte[ci.getOutputSize(plainText.length)];
int offset = ci.update(plainText, 0, plainText.length, cipherText,
0);
ci.doFinal(cipherText, offset);
ci.init(Cipher.DECRYPT_MODE, key, ci.getParameters());
byte[] recoveredText = new byte[ci.getOutputSize(cipherText.length)];
int len = ci.doFinal(cipherText, 0, cipherText.length,
recoveredText);
byte[] tmp = new byte[len];
for (int i = 0; i < len; i++) {
tmp[i] = recoveredText[i];
}
result = Arrays.equals(plainText, tmp);
} catch (NoSuchAlgorithmException nsaEx) {
// CFB7 and OFB150 are negative test,SunJCE not support this
// algorithm
result = mo.equalsIgnoreCase("CFB7")
|| mo.equalsIgnoreCase("OFB150");
if (!result) {
// only report unexpected exception
nsaEx.printStackTrace();
}
}
return result;
}
}
|
