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/*
* Copyright (c) 1997, 2015, 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 6296075 6330275
* @summary PaddingTest
* @author Jan Luehe
*/
import java.io.*;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.security.spec.*;
import javax.crypto.*;
import javax.crypto.spec.*;
import java.util.Arrays;
public class PaddingTest {
Cipher cipher;
IvParameterSpec params = null;
SecretKey cipherKey = null;
String pinfile = null;
String cfile = null;
String poutfile = null;
public static byte[] key = {
(byte)0x01,(byte)0x23,(byte)0x45,(byte)0x67,
(byte)0x89,(byte)0xab,(byte)0xcd,(byte)0xef
};
public static byte[] key3 = {
(byte)0x01,(byte)0x23,(byte)0x45,(byte)0x67,
(byte)0x89,(byte)0xab,(byte)0xcd,(byte)0xef,
(byte)0xf0,(byte)0xe1,(byte)0xd2,(byte)0xc3,
(byte)0xb4,(byte)0xa5,(byte)0x96,(byte)0x87,
(byte)0xfe,(byte)0xdc,(byte)0xba,(byte)0x98,
(byte)0x76,(byte)0x54,(byte)0x32,(byte)0x10};
public static byte[] iv = {
(byte)0xfe,(byte)0xdc,(byte)0xba,(byte)0x98,
(byte)0x76,(byte)0x54,(byte)0x32,(byte)0x10};
static String[] crypts = {"DES", "DESede"};
static String[] modes = {"ECB", "CBC", "CFB", "OFB", "PCBC"};
static String[] paddings = {"PKCS5Padding", "NoPadding"};
static int numFiles = 11;
static final String currDir = System.getProperty("test.src", ".");
static String dataDir = currDir + "/inputData/";
private String padding = null;
public static void main(String argv[]) throws Exception {
PaddingTest pt = new PaddingTest();
pt.run();
}
public PaddingTest() {
}
public void run() throws Exception {
for (int l=0; l<numFiles; l++) {
pinfile = dataDir + "plain" + l + ".txt";
for (int i=0; i<crypts.length; i++) {
for (int j=0; j<modes.length; j++) {
for (int k=0; k<paddings.length; k++) {
System.out.println
("===============================");
System.out.println
(crypts[i]+" "+modes[j]+" " + paddings[k]+ " " +
"plain" + l + " test");
cfile = "c" + l + "_" +
crypts[i] + "_" +
modes[j] + "_" +
paddings[k] + ".bin";
poutfile = "p" + l +
"_" + crypts[i] + modes[j] + paddings[k] + ".txt";
init(crypts[i], modes[j], paddings[k]);
padding = paddings[k];
runTest();
}
}
}
}
}
public void init(String crypt, String mode, String padding)
throws Exception {
KeySpec desKeySpec = null;
SecretKeyFactory factory = null;
StringBuffer cipherName = new StringBuffer(crypt);
if (mode.length() != 0)
cipherName.append("/" + mode);
if (padding.length() != 0)
cipherName.append("/" + padding);
cipher = Cipher.getInstance(cipherName.toString(), "SunJCE");
if (crypt.endsWith("ede")) {
desKeySpec = new DESedeKeySpec(key3);
factory = SecretKeyFactory.getInstance("DESede", "SunJCE");
} else {
desKeySpec = new DESKeySpec(key);
factory = SecretKeyFactory.getInstance("DES", "SunJCE");
}
// retrieve the cipher key
cipherKey = factory.generateSecret(desKeySpec);
// retrieve iv
if (!mode.equals("ECB"))
params = new IvParameterSpec(iv);
else
params = null;
}
public void runTest() throws Exception {
int bufferLen = 512;
byte[] input = new byte[bufferLen];
int len;
int totalInputLen = 0;
try {
try (FileInputStream fin = new FileInputStream(pinfile);
BufferedInputStream pin = new BufferedInputStream(fin);
FileOutputStream fout = new FileOutputStream(cfile);
BufferedOutputStream cout = new BufferedOutputStream(fout)) {
cipher.init(Cipher.ENCRYPT_MODE, cipherKey, params);
while ((len = pin.read(input, 0, bufferLen)) > 0) {
totalInputLen += len;
byte[] output = cipher.update(input, 0, len);
cout.write(output, 0, output.length);
}
len = cipher.getOutputSize(0);
byte[] out = new byte[len];
len = cipher.doFinal(out, 0);
cout.write(out, 0, len);
}
try (FileInputStream fin = new FileInputStream(cfile);
BufferedInputStream cin = new BufferedInputStream(fin);
FileOutputStream fout = new FileOutputStream(poutfile);
BufferedOutputStream pout = new BufferedOutputStream(fout)) {
cipher.init(Cipher.DECRYPT_MODE, cipherKey, params);
byte[] output = null;
while ((len = cin.read(input, 0, bufferLen)) > 0) {
output = cipher.update(input, 0, len);
pout.write(output, 0, output.length);
}
len = cipher.getOutputSize(0);
byte[] out = new byte[len];
len = cipher.doFinal(out, 0);
pout.write(out, 0, len);
}
diff(pinfile, poutfile);
} catch (IllegalBlockSizeException ex) {
if ((totalInputLen % 8 != 0) && (padding.equals("NoPadding"))) {
return;
} else {
System.out.println("Test failed!");
throw ex;
}
}
}
private static void diff(String fname1, String fname2) throws Exception {
if (!Arrays.equals(Files.readAllBytes(Paths.get(fname1)),
Files.readAllBytes(Paths.get(fname2)))) {
throw new Exception(
"files " + fname1 + " and " + fname2 + " differ");
}
}
}
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