| /* |
| * Copyright (c) 2012, 2014, 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 8041787 |
| * @library . |
| * @build PBEWrapper PBEWrapperCreator PBKDF2Wrapper AESPBEWrapper PBECipherWrapper |
| * @summary Verify that same encrypt/decrypt buffer can be used for PBE ciphers |
| * @author Alexander Fomin |
| * @author rhalade |
| * @run main PBESameBuffer |
| */ |
| import java.io.PrintStream; |
| import java.security.*; |
| import java.util.Random; |
| import javax.crypto.Cipher; |
| |
| public class PBESameBuffer { |
| |
| private static final String[] pbeAlgorithms = { |
| "pbeWithMD5ANDdes", "PBEWithMD5AndDES/CBC/PKCS5Padding", |
| "pbeWithMD5ANDtripledes", "PBEWithMD5AndTRIPLEDES/CBC/PKCS5Padding", |
| "PBEwithSHA1AndDESede", "PBEwithSHA1AndDESede/CBC/PKCS5Padding", |
| "PBEwithSHA1AndRC2_40", "PBEwithSHA1AndRC2_40/CBC/PKCS5Padding", |
| "PBEWithSHA1AndRC2_128", "PBEWithSHA1AndRC2_128/CBC/PKCS5Padding", |
| "PBEWithSHA1AndRC4_40", "PBEWithSHA1AndRC4_40/ECB/NoPadding", |
| "PBEWithSHA1AndRC4_128", "PBEWithSHA1AndRC4_128/ECB/NoPadding", |
| "PBEWithHmacSHA1AndAES_128", |
| "PBEWithHmacSHA224AndAES_128", |
| "PBEWithHmacSHA256AndAES_128", |
| "PBEWithHmacSHA384AndAES_128", |
| "PBEWithHmacSHA512AndAES_128", |
| "PBEWithHmacSHA1AndAES_256", |
| "PBEWithHmacSHA224AndAES_256", |
| "PBEWithHmacSHA256AndAES_256", |
| "PBEWithHmacSHA384AndAES_256", |
| "PBEWithHmacSHA512AndAES_256", |
| "PBKDF2WithHmacSHA1", |
| "PBKDF2WithHmacSHA224", |
| "PBKDF2WithHmacSHA256", |
| "PBKDF2WithHmacSHA384", |
| "PBKDF2WithHmacSHA512" |
| }; |
| |
| private static final String PBEPASS = "Hush, it's supposed to be a secret!"; |
| |
| private static final int INPUT_LENGTH = 800; |
| private static final int[] OFFSETS = {0, 1, 2, 3}; |
| private static final int NUM_PAD_BYTES = 8; |
| private static final int PBKDF2_ADD_PAD_BYTES = 8; |
| |
| private static int OUTPUT_OFFSET; |
| |
| public static void main(String[] args) { |
| if (!(new PBESameBuffer().test(args, System.out))) { |
| throw new RuntimeException("Some PBE algorithm tests failed"); |
| } |
| } |
| |
| public boolean test(String[] args, PrintStream out) { |
| boolean result = true; |
| |
| Provider p = Security.getProvider("SunJCE"); |
| |
| for (int loop : OFFSETS) { |
| OUTPUT_OFFSET = loop; |
| |
| // generate input data |
| byte[] inputText = new byte[INPUT_LENGTH + NUM_PAD_BYTES |
| + OUTPUT_OFFSET * 2 + PBKDF2_ADD_PAD_BYTES]; |
| new Random().nextBytes(inputText); |
| |
| for (String algorithm : pbeAlgorithms) { |
| out.println("=> Testing algorithm " + algorithm + " and offset " |
| + OUTPUT_OFFSET + ":"); |
| |
| try { |
| // Initialize Cipher and key for this algorithm |
| PBEWrapper pbeCi = PBEWrapperCreator.createWrapper(p, |
| algorithm, |
| PBEPASS, |
| out); |
| |
| // Encrypt |
| if ((pbeCi != null) && (!pbeCi.execute(Cipher.ENCRYPT_MODE, |
| inputText, |
| OUTPUT_OFFSET * 2, |
| INPUT_LENGTH))) { |
| result = false; |
| } |
| |
| // PBKDF2 required 16 byte padding |
| int padLength = getPadLength(algorithm); |
| |
| // Decrypt |
| // Note: inputText is implicitly padded by the above encrypt |
| // operation so decrypt operation can safely proceed |
| if ((pbeCi != null) && (!pbeCi.execute(Cipher.DECRYPT_MODE, |
| inputText, |
| OUTPUT_OFFSET, |
| INPUT_LENGTH + padLength))) { |
| result = false; |
| } |
| } catch (Exception ex) { |
| ex.printStackTrace(out); |
| result = false; |
| } |
| } |
| } |
| |
| return result; |
| } |
| |
| /** |
| * Get the padding length for the given algorithm |
| * |
| * @param theAlgName algorithm name |
| * @return padding length for the given algorithm |
| */ |
| private int getPadLength(String theAlgName) { |
| if (theAlgName.toUpperCase().contains("PBKDF2")) { |
| return NUM_PAD_BYTES + PBKDF2_ADD_PAD_BYTES; |
| } |
| |
| if (theAlgName.toUpperCase().contains("AES")) { |
| return NUM_PAD_BYTES + PBKDF2_ADD_PAD_BYTES; |
| } |
| |
| return NUM_PAD_BYTES; |
| } |
| } |