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12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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25 
26 package javax.crypto;
27 
28 /**
29  * The NullCipher class is a class that provides an
30  * "identity cipher" -- one that does not transform the plain text.  As
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 
41     /**
42      * Creates a NullCipher object.
43      */
NullCipher()44     public NullCipher() {
45         super(new NullCipherSpi(), null, null);
46     }
47 }
48