1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one
3  * or more contributor license agreements.  See the NOTICE file
4  * distributed with this work for additional information
5  * regarding copyright ownership.  The ASF licenses this file
6  * to you under the Apache License, Version 2.0 (the
7  * "License"); you may not use this file except in compliance
8  * with the License.  You may obtain a copy of the License at
9  *
10  * http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing,
13  * software distributed under the License is distributed on an
14  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15  * KIND, either express or implied.  See the License for the
16  * specific language governing permissions and limitations
17  * under the License.
18  */
19 module hunt.shiro.crypto.hash.ConfigurableHashService;
20 
21 import hunt.shiro.crypto.hash.HashService;
22 
23 import hunt.shiro.crypto.RandomNumberGenerator;
24 import hunt.shiro.util.ByteSource;
25 
26 /**
27  * A {@code HashService} that allows configuration of its strategy via JavaBeans-compatible setter methods.
28  *
29  */
30 interface ConfigurableHashService : HashService {
31 
32     /**
33      * Sets the 'private' (internal) salt to be paired with a 'public' (random or supplied) salt during hash computation.
34      *
35      * @param privateSalt the 'private' internal salt to be paired with a 'public' (random or supplied) salt during
36      *                    hash computation.
37      */
38     void setPrivateSalt(ByteSource privateSalt);
39 
40     /**
41      * Sets the number of hash iterations that will be performed during hash computation.
42      *
43      * @param iterations the number of hash iterations that will be performed during hash computation.
44      */
45     void setHashIterations(int iterations);
46 
47     /**
48      * Sets the name of the {@link java.security.MessageDigest MessageDigest} algorithm that will be used to compute
49      * hashes.
50      *
51      * @param name the name of the {@link java.security.MessageDigest MessageDigest} algorithm that will be used to
52      *             compute hashes.
53      */
54     void setHashAlgorithmName(string name);
55 
56     /**
57      * Sets a source of randomness used to generate public salts that will in turn be used during hash computation.
58      *
59      * @param rng a source of randomness used to generate public salts that will in turn be used during hash computation.
60      */
61     void setRandomNumberGenerator(RandomNumberGenerator rng);
62 }