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/*
* 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;
}
}
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