1/*
2 * Copyright (c) 2003, 2012, 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.
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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22 */
23
24/**
25 * @test
26 * @bug 4925866
27 * @summary ensures various salt lengths can be used for
28 * HmacPBESHA1.
29 * @author Valerie Peng
30 * @key randomness
31 */
32
33import java.io.*;
34import java.util.*;
35import java.security.*;
36import javax.crypto.*;
37import javax.crypto.spec.*;
38import javax.crypto.interfaces.PBEKey;
39
40public class HmacSaltLengths {
41
42    private static final String[] ALGOS = {
43        "HmacPBESHA1",
44        "PBEWithHmacSHA1",
45        "PBEWithHmacSHA224",
46        "PBEWithHmacSHA256",
47        "PBEWithHmacSHA384",
48        "PBEWithHmacSHA512"
49    };
50
51    private static void runTest(String alg, byte[] plaintext,
52                                char[] password, Provider p)
53        throws Exception {
54        Mac mac = Mac.getInstance(alg, p);
55        PBEKeySpec pbeKeySpec = new PBEKeySpec(password);
56        SecretKeyFactory keyFac = SecretKeyFactory.getInstance("PBE", p);
57        SecretKey key = keyFac.generateSecret(pbeKeySpec);
58
59        System.out.println("testing parameters with 4-byte salt...");
60        PBEParameterSpec pbeParamSpec = new PBEParameterSpec
61            (new byte[4], 1024);
62        try {
63            mac.init(key, pbeParamSpec);
64            throw new Exception("ERROR: should throw IAPE for short salts");
65        } catch (InvalidAlgorithmParameterException iape) {
66            // expected; do nothing
67        }
68
69        System.out.println("testing parameters with 8-byte salt...");
70        pbeParamSpec = new PBEParameterSpec(new byte[8], 1024);
71        mac.init(key, pbeParamSpec);
72        mac.doFinal(plaintext);
73
74        System.out.println("testing parameters with 20-byte salt...");
75        pbeParamSpec = new PBEParameterSpec(new byte[20], 1024);
76        mac.init(key, pbeParamSpec);
77        mac.doFinal(plaintext);
78
79        System.out.println("testing parameters with 30-byte salt...");
80        pbeParamSpec = new PBEParameterSpec(new byte[30], 1024);
81        mac.init(key, pbeParamSpec);
82        mac.doFinal(plaintext);
83
84        System.out.println("passed: " + alg);
85    }
86
87    public static void main(String[] argv) throws Exception {
88        byte[] input = new byte[1024];
89        new SecureRandom().nextBytes(input);
90        char[] PASSWD = { 'p','a','s','s','w','o','r','d' };
91        long start = System.currentTimeMillis();
92        Provider p = Security.getProvider("SunJCE");
93        System.out.println("Testing provider " + p.getName() + "...");
94        for (String algo : ALGOS) {
95            runTest(algo, input, PASSWD, p);
96        }
97        System.out.println("All tests passed");
98        long stop = System.currentTimeMillis();
99        System.out.println("Done (" + (stop - start) + " ms).");
100    }
101}
102
103class MyPBEKey implements PBEKey {
104    char[] passwd;
105    byte[] salt;
106    int iCount;
107    MyPBEKey(char[] passwd, byte[] salt, int iCount) {
108        this.passwd = passwd;
109        this.salt = salt;
110        this.iCount = iCount;
111    }
112    public char[] getPassword() { return passwd; }
113    public byte[] getSalt() { return salt; }
114    public int getIterationCount() { return iCount; }
115    public String getAlgorithm() { return "PBE"; }
116    public String getFormat() { return "RAW"; }
117    public byte[] getEncoded() { return null; }
118}
119