hunt.shiro.crypto.hash.Sha1Hash source code

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.Sha1Hash;
20 
21 import hunt.shiro.crypto.hash.SimpleHash;
22 
23 import hunt.shiro.codec.Base64;
24 import hunt.shiro.codec.Hex;
25 
26 
27 /**
28  * Generates an SHA-1 Hash (Secure Hash Standard, NIST FIPS 180-1) from a given input <tt>source</tt> with an
29  * optional <tt>salt</tt> and hash iterations.
30  * <p/>
31  * See the {@link SimpleHash SimpleHash} parent class JavaDoc for a detailed explanation of Hashing
32  * techniques and how the overloaded constructors function.
33  *
34  */
35 class Sha1Hash : SimpleHash {
36 
37     //TODO - complete JavaDoc
38 
39     enum string ALGORITHM_NAME = "SHA-1";
40 
41     this() {
42         super(ALGORITHM_NAME);
43     }
44 
45     this(Object source) {
46         super(ALGORITHM_NAME, source);
47     }
48 
49     this(Object source, Object salt) {
50         super(ALGORITHM_NAME, source, salt);
51     }
52 
53     this(Object source, Object salt, int hashIterations) {
54         super(ALGORITHM_NAME, source, salt, hashIterations);
55     }
56 
57     static Sha1Hash fromHexString(string hex) {
58         Sha1Hash hash = new Sha1Hash();
59         hash.setBytes(Hex.decode(hex));
60         return hash;
61     }
62 
63     static Sha1Hash fromBase64String(string base64) {
64         Sha1Hash hash = new Sha1Hash();
65         hash.setBytes(Base64.decode(base64));
66         return hash;
67     }
68 }