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Source code: gnu/javax/crypto/prng/IPBE.java


1   /* IPBE.java -- 
2      Copyright (C) 2003, 2006 Free Software Foundation, Inc.
3   
4   This file is a part of GNU Classpath.
5   
6   GNU Classpath is free software; you can redistribute it and/or modify
7   it under the terms of the GNU General Public License as published by
8   the Free Software Foundation; either version 2 of the License, or (at
9   your option) any later version.
10  
11  GNU Classpath is distributed in the hope that it will be useful, but
12  WITHOUT ANY WARRANTY; without even the implied warranty of
13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  General Public License for more details.
15  
16  You should have received a copy of the GNU General Public License
17  along with GNU Classpath; if not, write to the Free Software
18  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
19  USA
20  
21  Linking this library statically or dynamically with other modules is
22  making a combined work based on this library.  Thus, the terms and
23  conditions of the GNU General Public License cover the whole
24  combination.
25  
26  As a special exception, the copyright holders of this library give you
27  permission to link this library with independent modules to produce an
28  executable, regardless of the license terms of these independent
29  modules, and to copy and distribute the resulting executable under
30  terms of your choice, provided that you also meet, for each linked
31  independent module, the terms and conditions of the license of that
32  module.  An independent module is a module which is not derived from
33  or based on this library.  If you modify this library, you may extend
34  this exception to your version of the library, but you are not
35  obligated to do so.  If you do not wish to do so, delete this
36  exception statement from your version.  */
37  
38  
39  package gnu.javax.crypto.prng;
40  
41  /**
42   * Trivial interface to group Password-based encryption property names and
43   * constants.
44   */
45  public interface IPBE
46  {
47    /**
48     * Property name for the iteration count in a PBE algorithm. The property
49     * associated with this is expected to be an {@link Integer}.
50     */
51    String ITERATION_COUNT = "gnu.crypto.pbe.iteration.count";
52  
53    /**
54     * Property name for the password in a PBE algorithm. The property associated
55     * with this is expected to be a char array.
56     */
57    String PASSWORD = "gnu.crypto.pbe.password";
58  
59    /**
60     * Property name for the password character encoding in a PBE algorithm. The
61     * property associated with this is expected to be a String denoting a valid
62     * character-encoding name. If this property is not set, and a password is
63     * used, then {@link #DEFAULT_PASSWORD_ENCODING} will be used when converting
64     * the password character(s) to bytes.
65     */
66    String PASSWORD_ENCODING = "gnu.crypto.pbe.password.encoding";
67  
68    /**
69     * Property name for the salt in a PBE algorithm. The property associated
70     * with this is expected to be a byte array.
71     */
72    String SALT = "gnu.crypto.pbe.salt";
73  
74    /**
75     * The default character set encoding name to be used if (a) a password is
76     * to be used as the source for a PBE-based Key Derivation Function (KDF) and
77     * (b) no character set encoding name was specified among the attributes used
78     * to initialize the instance.
79     */
80    String DEFAULT_PASSWORD_ENCODING = "UTF-8";
81  }