1 /*

     2  * Copyright 2003-2007 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    23 

    24 /**

    25  * @test

    26  * @bug 4925226

    27  * @summary ensure IllegalArgumentException is thrown if in == out

    28  * @author Andreas Sterbenz

    29  */

    30 

    31 import java.nio.*;

    32 

    33 import javax.crypto.*;

    34 import javax.crypto.spec.*;

    35 

    36 public class InOutBuffers {

    37 

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

    39         Cipher c = Cipher.getInstance("RC4");

    40         SecretKey key = new SecretKeySpec(new byte[16], "RC4");

    41         c.init(Cipher.ENCRYPT_MODE, key);

    42         ByteBuffer b = ByteBuffer.allocate(16);

    43         b.putInt(0x12345678);

    44         try {

    45             c.update(b, b);

    46             throw new Exception("Unexpectedly completed call");

    47         } catch (IllegalArgumentException e) {

    48             System.out.println(e);

    49         }

    50         b.flip();

    51         try {

    52             c.doFinal(b, b);

    53             throw new Exception("Unexpectedly completed call");

    54         } catch (IllegalArgumentException e) {

    55             System.out.println(e);

    56         }

    57         System.out.println("Passed");

    58     }

    59 }