1 /*

     2  * Copyright (c) 2014, 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     8004873

    27  * @summary Need to include data buffered by Padding impl when calculating

    28  * output buffer sizes.

    29  */

    30 

    31 import java.io.*;

    32 import java.security.*;

    33 import java.security.spec.*;

    34 import java.util.*;

    35 import javax.crypto.*;

    36 import javax.crypto.spec.*;

    37 

    38 public class Test8004873 extends UcryptoTest {

    39 

    40     private static final String[] PADDEDCIPHER_ALGOS = {

    41         "AES/ECB/PKCS5Padding",

    42         "AES/CBC/PKCS5Padding",

    43         "AES/CFB128/PKCS5Padding"

    44     };

    45 

    46     private static final SecretKey AES_KEY;

    47 

    48     static {

    49         byte[] keyValue = {

    50             62, 124, -2, -15, 86, -25, 18, -112, 110, 31, 96, 59,

    51             89, 70, 60, 103};

    52         AES_KEY = new SecretKeySpec(keyValue, "AES");

    53     }

    54 

    55     public static void main(String[] args) throws Exception {

    56         main(new Test8004873(), null);

    57     }

    58 

    59     public void doTest(Provider prov) throws Exception {

    60         boolean result = true;

    61         for (String algo : PADDEDCIPHER_ALGOS) {

    62             if (!testOOS(algo, prov)) {

    63                 result = false;

    64                 System.out.println(algo + " Test Failed!");

    65             }

    66         }

    67         if (!result) {

    68             throw new Exception("One or more test failed!");

    69         }

    70     }

    71 

    72     private boolean testOOS(String algo, Provider prov)

    73         throws Exception {

    74 

    75         String password = "abcd1234";

    76         Cipher c;

    77         try {

    78             c = Cipher.getInstance(algo, prov);

    79         } catch(NoSuchAlgorithmException nsae) {

    80             System.out.println("Skipping Unsupported algo: " + algo);

    81             return true;

    82         }

    83         c.init(Cipher.ENCRYPT_MODE, AES_KEY);

    84         AlgorithmParameters params = c.getParameters();

    85         ByteArrayOutputStream baos = new ByteArrayOutputStream();

    86         CipherOutputStream cos = new CipherOutputStream(baos, c);

    87         ObjectOutputStream oos = new ObjectOutputStream(cos);

    88         oos.writeObject(password);

    89         oos.flush();

    90         oos.close();

    91         byte[] encrypted = baos.toByteArray();

    92 

    93         c.init(Cipher.DECRYPT_MODE, AES_KEY, params);

    94 

    95         ByteArrayInputStream bais = new ByteArrayInputStream(encrypted);

    96         CipherInputStream cis = new CipherInputStream(bais, c);

    97         ObjectInputStream ois = new ObjectInputStream(cis);

    98 

    99         String recovered = (String) ois.readObject();

   100         return recovered.equals(password);

   101     }

   102 }