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

File PasswordBasedCipherFactory.java

 

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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.password;
21   
22    import org.xwiki.component.annotation.Role;
23    import org.xwiki.crypto.cipher.CipherSpecifications;
24    import org.xwiki.crypto.params.cipher.symmetric.SymmetricCipherParameters;
25    import org.xwiki.crypto.password.params.KeyDerivationFunctionParameters;
26   
27    /**
28    * Factory creating block ciphers for encryption and decryption that use a password to derive their keys
29    * (and initialization vector when that one is not provided).
30    *
31    * @version $Id: 56622ccb558be08c5b66304ae406a3d1e072f2ab $
32    * @since 5.4M1
33    */
34    @Role
 
35    public interface PasswordBasedCipherFactory extends CipherSpecifications
36    {
37    /**
38    * Create a new initialized password based cipher from parameters.
39    *
40    * @param forEncryption if true the cipher is initialised for encryption, if false for decryption.
41    * @param password cipher parameters, using a password converted to bytes for the key.
42    * @param kdfParameters the parameters of the derivation function.
43    * @return an initialized cipher ready to process data.
44    */
45    PasswordBasedCipher getInstance(boolean forEncryption, SymmetricCipherParameters password,
46    KeyDerivationFunctionParameters kdfParameters);
47   
48    /**
49    * Create a new initialized password based cipher using the given key derivation function.
50    *
51    * @param forEncryption if true the cipher is initialised for encryption, if false for decryption.
52    * @param password cipher parameters, using a password converted to bytes for the key.
53    * @param function the key derivation function to use for deriving key from password.
54    * @return an initialized cipher ready to process data.
55    */
56    PasswordBasedCipher getInstance(boolean forEncryption, SymmetricCipherParameters password,
57    KeyDerivationFunction function);
58   
59    /**
60    * Create a new initialized password based cipher from serialized encoding.
61    *
62    * @param forEncryption if true the cipher is initialised for encryption, if false for decryption.
63    * @param password the password used to derive the encryption key.
64    * @param encoded encoded parameters to initialize the cipher and derivation function.
65    * @return an initialized cipher ready to process data.
66    */
67    PasswordBasedCipher getInstance(boolean forEncryption, byte[] password, byte[] encoded);
68    }