| /* |
| * Copyright (c) 1998, 2007, 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. |
| */ |
| |
| /* |
| * @test |
| * @bug 0000000 |
| * @library ../UTIL |
| * @build TestUtil |
| * @run main BlowfishTestVector |
| * @summary Known Answer Test for Blowfish cipher with ECB mode |
| * @author Jan Luehe |
| */ |
| |
| import java.security.*; |
| import java.util.*; |
| import javax.crypto.*; |
| import javax.crypto.spec.*; |
| |
| public class BlowfishTestVector { |
| |
| // test vector #1 (checking for the "signed" bug) |
| // (ECB mode) |
| private static final byte[] TEST_KEY_1 = new byte[] { |
| (byte)0x1c, (byte)0x58, (byte)0x7f, (byte)0x1c, |
| (byte)0x13, (byte)0x92, (byte)0x4f, (byte)0xef |
| }; |
| private static final byte[] TV_P1 = new byte[] { |
| (byte)0x30, (byte)0x55, (byte)0x32, (byte)0x28, |
| (byte)0x6d, (byte)0x6f, (byte)0x29, (byte)0x5a |
| }; |
| private static final byte[] TV_C1 = new byte[] { |
| (byte)0x55, (byte)0xcb, (byte)0x37, (byte)0x74, |
| (byte)0xd1, (byte)0x3e, (byte)0xf2, (byte)0x01 |
| }; |
| |
| // test vector #2 (offical vector by Bruce Schneier) |
| // (ECB mode) |
| private static final String S_TEST_KEY_2 = "Who is John Galt?"; |
| |
| private static final byte[] TV_P2 = new byte[] { |
| (byte)0xfe, (byte)0xdc, (byte)0xba, (byte)0x98, |
| (byte)0x76, (byte)0x54, (byte)0x32, (byte)0x10 |
| }; |
| private static final byte[] TV_C2 = new byte[] { |
| (byte)0xcc, (byte)0x91, (byte)0x73, (byte)0x2b, |
| (byte)0x80, (byte)0x22, (byte)0xf6, (byte)0x84 |
| }; |
| |
| public static void main(String[] argv) throws Exception { |
| |
| Provider p = new com.sun.crypto.provider.SunJCE(); |
| Security.addProvider(p); |
| String transformation = "Blowfish/ECB/NoPadding"; |
| Cipher cipher = Cipher.getInstance(transformation); |
| int MAX_KEY_SIZE = Cipher.getMaxAllowedKeyLength(transformation); |
| // |
| // test 1 |
| // |
| if (TEST_KEY_1.length*8 <= MAX_KEY_SIZE) { |
| SecretKey sKey = new SecretKeySpec(TEST_KEY_1, "Blowfish"); |
| try { |
| cipher.init(Cipher.ENCRYPT_MODE, sKey); |
| byte[] c1 = cipher.doFinal(TV_P1); |
| if (!Arrays.equals(c1, TV_C1)) |
| throw new Exception("Encryption (Test vector 1) failed"); |
| |
| cipher.init(Cipher.DECRYPT_MODE, sKey); |
| byte[] p1 = cipher.doFinal(c1); |
| if (!Arrays.equals(p1, TV_P1)) |
| throw new Exception("Decryption (Test vector 1) failed"); |
| } catch (SecurityException se) { |
| TestUtil.handleSE(se); |
| } |
| } |
| // |
| // test 2 |
| // |
| byte[] testKey2 = S_TEST_KEY_2.getBytes(); |
| if (testKey2.length*8 <= MAX_KEY_SIZE) { |
| SecretKey sKey = new SecretKeySpec(testKey2, "Blowfish"); |
| try { |
| cipher.init(Cipher.ENCRYPT_MODE, sKey); |
| byte[] c2 = cipher.doFinal(TV_P2); |
| if (!Arrays.equals(c2, TV_C2)) |
| throw new Exception("Encryption (Test vector 2) failed"); |
| |
| cipher.init(Cipher.DECRYPT_MODE, sKey); |
| byte[] p2 = cipher.doFinal(c2); |
| if (!Arrays.equals(p2, TV_P2)) |
| throw new Exception("Decryption (Test vector 2) failed"); |
| } catch (SecurityException se) { |
| TestUtil.handleSE(se); |
| } |
| } |
| System.out.println("Test passed"); |
| } |
| |
| /* |
| * Converts a byte to hex digit and writes to the supplied buffer |
| */ |
| static private void byte2hex(byte b, StringBuffer buf) { |
| char[] hexChars = { '0', '1', '2', '3', '4', '5', '6', '7', '8', |
| '9', 'A', 'B', 'C', 'D', 'E', 'F' }; |
| int high = ((b & 0xf0) >> 4); |
| int low = (b & 0x0f); |
| buf.append(hexChars[high]); |
| buf.append(hexChars[low]); |
| } |
| |
| /* |
| * Converts a byte array to hex string |
| */ |
| static private String toHexString(byte[] block) { |
| StringBuffer buf = new StringBuffer(); |
| |
| int len = block.length; |
| |
| for (int i = 0; i < len; i++) { |
| byte2hex(block[i], buf); |
| if (i < len-1) { |
| buf.append(":"); |
| } |
| } |
| return buf.toString(); |
| } |
| } |