1. Project Clover database Tue Dec 20 2016 21:24:09 CET
  2. Package org.xwiki.crypto.params.cipher.symmetric

File RC5KeyParameters.java

 

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Classes

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RC5KeyParameters 32 5 0% 3 8
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1    /*
2    * See the NOTICE file distributed with this work for additional
3    * information regarding copyright ownership.
4    *
5    * This is free software; you can redistribute it and/or modify it
6    * under the terms of the GNU Lesser General Public License as
7    * published by the Free Software Foundation; either version 2.1 of
8    * the License, or (at your option) any later version.
9    *
10    * This software is distributed in the hope that it will be useful,
11    * but WITHOUT ANY WARRANTY; without even the implied warranty of
12    * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13    * Lesser General Public License for more details.
14    *
15    * You should have received a copy of the GNU Lesser General Public
16    * License along with this software; if not, write to the Free
17    * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
18    * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
19    */
20    package org.xwiki.crypto.params.cipher.symmetric;
21   
22    /**
23    * Derived version of key parameters to specify rounds of RC5.
24    *
25    * WARNING: RSA Security own the US Patent US5724428 A on this algorithm. Therefore, before expiration of this patent,
26    * which will happen in november 2015, the usage of this algorithm is subject to restricted usage on the US territories.
27    * RC5 is a registered trademark of RSA Security.
28    *
29    * @version $Id: 804c41d37459a537ec763a144edca8b0384b1be8 $
30    * @since 5.4M1
31    */
 
32    public class RC5KeyParameters extends KeyParameter
33    {
34    private static final int ROUNDS = 12;
35   
36    private final int rounds;
37   
38    /**
39    * Initialize parameters with a default number of rounds set to {@value #ROUNDS}.
40    *
41    * @param key the key.
42    */
 
43  0 toggle public RC5KeyParameters(byte[] key)
44    {
45  0 super(key);
46  0 this.rounds = ROUNDS;
47    }
48   
49    /**
50    * Initialize parameters.
51    *
52    * @param key the key.
53    * @param rounds the number of "rounds" in the encryption operation between 8 and 127.
54    */
 
55  0 toggle public RC5KeyParameters(byte[] key, int rounds)
56    {
57  0 super(key);
58  0 this.rounds = rounds;
59    }
60   
61    /**
62    * @return the number of "rounds" in the encryption operation between 8 and 127.
63    */
 
64  0 toggle public int getRounds()
65    {
66  0 return this.rounds;
67    }
68    }