1 /*
2 * Copyright (c) 2010, 2017, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test
26 * @bug 6687725
27 * @summary Test internal PKCS5Padding impl with various error conditions.
28 * @author Valerie Peng
29 * @library ..
30 * @modules jdk.crypto.cryptoki
31 * @run main/othervm TestPKCS5PaddingError
32 * @run main/othervm TestPKCS5PaddingError sm
33 */
34
35 import java.security.AlgorithmParameters;
36 import java.security.NoSuchAlgorithmException;
37 import java.security.Provider;
38 import javax.crypto.BadPaddingException;
39 import javax.crypto.Cipher;
40 import javax.crypto.IllegalBlockSizeException;
41 import javax.crypto.KeyGenerator;
42 import javax.crypto.SecretKey;
43
44 public class TestPKCS5PaddingError extends PKCS11Test {
45 private static class CI { // class for holding Cipher Information
46 String transformation;
47 String keyAlgo;
48
49 CI(String transformation, String keyAlgo) {
50 this.transformation = transformation;
51 this.keyAlgo = keyAlgo;
52 }
53 }
54
55 private static final CI[] TEST_LIST = {
56 // algorithms which use the native padding impl
57 new CI("DES/CBC/PKCS5Padding", "DES"),
58 new CI("DESede/CBC/PKCS5Padding", "DESede"),
59 new CI("AES/CBC/PKCS5Padding", "AES"),
60 // algorithms which use SunPKCS11's own padding impl
61 new CI("DES/ECB/PKCS5Padding", "DES"),
62 new CI("DESede/ECB/PKCS5Padding", "DESede"),
63 new CI("AES/ECB/PKCS5Padding", "AES"),
64 };
65
66 private static StringBuffer debugBuf = new StringBuffer();
67
68 @Override
69 public void main(Provider p) throws Exception {
70 try {
71 byte[] plainText = new byte[200];
72
73 for (int i = 0; i < TEST_LIST.length; i++) {
74 CI currTest = TEST_LIST[i];
75 System.out.println("===" + currTest.transformation + "===");
76 try {
77 KeyGenerator kg =
78 KeyGenerator.getInstance(currTest.keyAlgo, p);
79 SecretKey key = kg.generateKey();
80 Cipher c1 = Cipher.getInstance(currTest.transformation,
81 "SunJCE");
82 c1.init(Cipher.ENCRYPT_MODE, key);
83 byte[] cipherText = c1.doFinal(plainText);
84 AlgorithmParameters params = c1.getParameters();
85 Cipher c2 = Cipher.getInstance(currTest.transformation, p);
86 c2.init(Cipher.DECRYPT_MODE, key, params);
87
88 // 1st test: wrong output length
89 // NOTE: Skip NSS since it reports CKR_DEVICE_ERROR when
90 // the data passed to its EncryptUpdate/DecryptUpdate is
91 // not multiple of blocks
92 if (!p.getName().equals("SunPKCS11-NSS")) {
93 try {
94 System.out.println("Testing with wrong cipherText length");
95 c2.doFinal(cipherText, 0, cipherText.length - 2);
96 } catch (IllegalBlockSizeException ibe) {
97 // expected
98 } catch (Exception ex) {
99 System.out.println("Error: Unexpected Ex " + ex);
100 ex.printStackTrace();
101 }
102 }
103 // 2nd test: wrong padding value
104 try {
105 System.out.println("Testing with wrong padding bytes");
106 cipherText[cipherText.length - 1]++;
107 c2.doFinal(cipherText);
108 } catch (BadPaddingException bpe) {
109 // expected
110 } catch (Exception ex) {
111 System.out.println("Error: Unexpected Ex " + ex);
112 ex.printStackTrace();
113 }
114 System.out.println("DONE");
115 } catch (NoSuchAlgorithmException nsae) {
116 System.out.println("Skipping unsupported algorithm: " +
117 nsae);
118 }
119 }
120 } catch (Exception ex) {
121 // print out debug info when exception is encountered
122 if (debugBuf != null) {
123 System.out.println(debugBuf.toString());
124 debugBuf = new StringBuffer();
125 }
126 throw ex;
127 }
128 }
129
130 public static void main(String[] args) throws Exception {
131 main(new TestPKCS5PaddingError(), args);
132 }
133 }