Piotr Jastrzebski | 51b1b69 | 2015-02-16 15:01:09 +0000 | [diff] [blame] | 1 | /* |
Sergio Giro | 1798254 | 2016-08-03 19:21:52 +0100 | [diff] [blame] | 2 | * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
Piotr Jastrzebski | 51b1b69 | 2015-02-16 15:01:09 +0000 | [diff] [blame] | 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. Oracle designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Oracle in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| 22 | * or visit www.oracle.com if you need additional information or have any |
| 23 | * questions. |
| 24 | */ |
| 25 | |
| 26 | package javax.crypto; |
| 27 | |
| 28 | /** |
| 29 | * The NullCipher class is a class that provides an |
Sergio Giro | 1798254 | 2016-08-03 19:21:52 +0100 | [diff] [blame] | 30 | * "identity cipher" -- one that does not transform the plain text. As |
Piotr Jastrzebski | 51b1b69 | 2015-02-16 15:01:09 +0000 | [diff] [blame] | 31 | * a consequence, the ciphertext is identical to the plaintext. All |
| 32 | * initialization methods do nothing, while the blocksize is set to 1 |
| 33 | * byte. |
| 34 | * |
| 35 | * @author Li Gong |
| 36 | * @since 1.4 |
| 37 | */ |
| 38 | |
| 39 | public class NullCipher extends Cipher { |
| 40 | |
Sergio Giro | 1798254 | 2016-08-03 19:21:52 +0100 | [diff] [blame] | 41 | /** |
| 42 | * Creates a NullCipher object. |
| 43 | */ |
Piotr Jastrzebski | 51b1b69 | 2015-02-16 15:01:09 +0000 | [diff] [blame] | 44 | public NullCipher() { |
Przemyslaw Szczepaniak | 9f3f250 | 2016-01-21 15:20:15 +0000 | [diff] [blame] | 45 | super(new NullCipherSpi(), null, null); |
Piotr Jastrzebski | 51b1b69 | 2015-02-16 15:01:09 +0000 | [diff] [blame] | 46 | } |
| 47 | } |