1/*
2 * Copyright (c) 1998, 2015, 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 0000000
27 * @library ../UTIL
28 * @build TestUtil
29 * @run main BlowfishTestVector
30 * @summary Known Answer Test for Blowfish cipher with ECB mode
31 * @author Jan Luehe
32 */
33
34import java.security.*;
35import java.util.*;
36import javax.crypto.*;
37import javax.crypto.spec.*;
38
39public class BlowfishTestVector {
40
41    // test vector #1 (checking for the "signed" bug)
42    // (ECB mode)
43    private static final byte[] TEST_KEY_1 = new byte[] {
44        (byte)0x1c, (byte)0x58, (byte)0x7f, (byte)0x1c,
45        (byte)0x13, (byte)0x92, (byte)0x4f, (byte)0xef
46    };
47    private static final byte[] TV_P1 = new byte[] {
48        (byte)0x30, (byte)0x55, (byte)0x32, (byte)0x28,
49        (byte)0x6d, (byte)0x6f, (byte)0x29, (byte)0x5a
50    };
51    private static final byte[] TV_C1 = new byte[] {
52        (byte)0x55, (byte)0xcb, (byte)0x37, (byte)0x74,
53        (byte)0xd1, (byte)0x3e, (byte)0xf2, (byte)0x01
54    };
55
56    // test vector #2 (offical vector by Bruce Schneier)
57    // (ECB mode)
58    private static final String S_TEST_KEY_2 = "Who is John Galt?";
59
60    private static final byte[] TV_P2 = new byte[] {
61        (byte)0xfe, (byte)0xdc, (byte)0xba, (byte)0x98,
62        (byte)0x76, (byte)0x54, (byte)0x32, (byte)0x10
63    };
64    private static final byte[] TV_C2 = new byte[] {
65        (byte)0xcc, (byte)0x91, (byte)0x73, (byte)0x2b,
66        (byte)0x80, (byte)0x22, (byte)0xf6, (byte)0x84
67    };
68
69    public static void main(String[] argv) throws Exception {
70
71        String transformation = "Blowfish/ECB/NoPadding";
72        Cipher cipher = Cipher.getInstance(transformation, "SunJCE");
73        int MAX_KEY_SIZE = Cipher.getMaxAllowedKeyLength(transformation);
74        //
75        // test 1
76        //
77        if (TEST_KEY_1.length*8 <= MAX_KEY_SIZE) {
78            SecretKey sKey = new SecretKeySpec(TEST_KEY_1, "Blowfish");
79            try {
80                cipher.init(Cipher.ENCRYPT_MODE, sKey);
81                byte[] c1 = cipher.doFinal(TV_P1);
82                if (!Arrays.equals(c1, TV_C1))
83                    throw new Exception("Encryption (Test vector 1) failed");
84
85                cipher.init(Cipher.DECRYPT_MODE, sKey);
86                byte[] p1 = cipher.doFinal(c1);
87                if (!Arrays.equals(p1, TV_P1))
88                    throw new Exception("Decryption (Test vector 1) failed");
89            } catch (SecurityException se) {
90                TestUtil.handleSE(se);
91            }
92        }
93        //
94        // test 2
95        //
96        byte[] testKey2 = S_TEST_KEY_2.getBytes();
97        if (testKey2.length*8 <= MAX_KEY_SIZE) {
98            SecretKey sKey = new SecretKeySpec(testKey2, "Blowfish");
99            try {
100                cipher.init(Cipher.ENCRYPT_MODE, sKey);
101                byte[] c2 = cipher.doFinal(TV_P2);
102                if (!Arrays.equals(c2, TV_C2))
103                    throw new Exception("Encryption (Test vector 2) failed");
104
105                cipher.init(Cipher.DECRYPT_MODE, sKey);
106                byte[] p2 = cipher.doFinal(c2);
107                if (!Arrays.equals(p2, TV_P2))
108                    throw new Exception("Decryption (Test vector 2) failed");
109            } catch (SecurityException se) {
110                TestUtil.handleSE(se);
111            }
112        }
113        System.out.println("Test passed");
114    }
115
116    /*
117     * Converts a byte to hex digit and writes to the supplied buffer
118     */
119    static private void byte2hex(byte b, StringBuffer buf) {
120        char[] hexChars = { '0', '1', '2', '3', '4', '5', '6', '7', '8',
121                            '9', 'A', 'B', 'C', 'D', 'E', 'F' };
122        int high = ((b & 0xf0) >> 4);
123        int low = (b & 0x0f);
124        buf.append(hexChars[high]);
125        buf.append(hexChars[low]);
126    }
127
128    /*
129     * Converts a byte array to hex string
130     */
131    static private String toHexString(byte[] block) {
132        StringBuffer buf = new StringBuffer();
133
134        int len = block.length;
135
136        for (int i = 0; i < len; i++) {
137             byte2hex(block[i], buf);
138             if (i < len-1) {
139                 buf.append(":");
140             }
141        }
142        return buf.toString();
143    }
144}
145