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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/javax/crypto/NullCipher.java | |
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Diffstat (limited to 'libjava/classpath/javax/crypto/NullCipher.java')
-rw-r--r-- | libjava/classpath/javax/crypto/NullCipher.java | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/libjava/classpath/javax/crypto/NullCipher.java b/libjava/classpath/javax/crypto/NullCipher.java new file mode 100644 index 000000000..1913afb35 --- /dev/null +++ b/libjava/classpath/javax/crypto/NullCipher.java @@ -0,0 +1,62 @@ +/* NullCipher.java -- The identity cipher. + Copyright (C) 2004 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath 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 for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package javax.crypto; + +/** + * Trivial subclass of Cipher that implements the <i>identity + * transformation</i>, where the input is always copied to the output + * unchanged. Null ciphers can be instantiated with the public + * constructor. + * + * @author Casey Marshall (csm@gnu.org) + */ +public class NullCipher extends Cipher +{ + + // Constructor. + // ------------------------------------------------------------------------ + + /** + * Create a new identity cipher. + */ + public NullCipher() + { + super(new NullCipherImpl(), null, "NULL"); + } +} |