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 34 import java.security.*; 35 import java.util.*; 36 import javax.crypto.*; 37 import javax.crypto.spec.*; 38 39 public 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 main(String[] argv)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 */ byte2hex(byte b, StringBuffer buf)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 */ toHexString(byte[] block)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