%line | %branch | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
org.apache.java.security.MessageDigest |
|
|
1 | package org.apache.java.security; |
|
2 | ||
3 | /* |
|
4 | * Copyright 2001-2005 The Apache Software Foundation. |
|
5 | * |
|
6 | * Licensed under the Apache License, Version 2.0 (the "License") |
|
7 | * you may not use this file except in compliance with the License. |
|
8 | * 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, software |
|
13 | * distributed under the License is distributed on an "AS IS" BASIS, |
|
14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
|
15 | * See the License for the specific language governing permissions and |
|
16 | * limitations under the License. |
|
17 | */ |
|
18 | ||
19 | /** |
|
20 | * This interface abstracts a message digest algorithm. |
|
21 | * |
|
22 | * <p><b>Note:</b> even if standard Java 1.1 APIs already provide a |
|
23 | * message digest implementation, this class is used on those Java |
|
24 | * runtime environments (like Kaffe) where the package |
|
25 | * <code>java.security</code> is highly improbable to be found. |
|
26 | * |
|
27 | * @author <a href="mailto:mazzocchi@mbox.systemy.it">Stefano Mazzocchi</a> |
|
28 | * @version $Id: MessageDigest.java 264148 2005-08-29 14:21:04Z henning $ |
|
29 | * @deprecated Use the java.security package. |
|
30 | */ |
|
31 | public abstract class MessageDigest |
|
32 | { |
|
33 | /** |
|
34 | * Creates the algorithm and reset its state. |
|
35 | */ |
|
36 | public MessageDigest() |
|
37 | 0 | { |
38 | 0 | this.reset(); |
39 | 0 | } |
40 | ||
41 | /** |
|
42 | * Append another block to the message. |
|
43 | * |
|
44 | * @param block A byte[]. |
|
45 | */ |
|
46 | public void append(byte[] block) |
|
47 | { |
|
48 | 0 | this.append(block, 0, block.length); |
49 | 0 | } |
50 | ||
51 | /** |
|
52 | * Append another block of specified length to the message. |
|
53 | * |
|
54 | * @param block A byte[]. |
|
55 | * @param length An int. |
|
56 | */ |
|
57 | public void append(byte[] block, |
|
58 | int length) |
|
59 | { |
|
60 | 0 | this.append(block, 0, length); |
61 | 0 | } |
62 | ||
63 | /** |
|
64 | * Append another block of specified length to the message |
|
65 | * starting at the given offset. |
|
66 | * |
|
67 | * @param block A byte[]. |
|
68 | * @param offset An int. |
|
69 | * @param length An int. |
|
70 | */ |
|
71 | public abstract void append(byte[] block, |
|
72 | int offset, |
|
73 | int length); |
|
74 | ||
75 | /** |
|
76 | * Appends a message block and return its message digest. |
|
77 | * |
|
78 | * @param block A byte[]. |
|
79 | * @return A byte[]. |
|
80 | */ |
|
81 | public byte[] digest(byte[] block) |
|
82 | { |
|
83 | 0 | return this.digest(block, 0, block.length); |
84 | } |
|
85 | ||
86 | /** |
|
87 | * Appends a message block with specified length and return its |
|
88 | * message digest. |
|
89 | * |
|
90 | * @param block A byte[]. |
|
91 | * @param length An int. |
|
92 | * @return A byte[]. |
|
93 | */ |
|
94 | public byte[] digest(byte[] block, |
|
95 | int length) |
|
96 | { |
|
97 | 0 | return this.digest(block, 0, length); |
98 | } |
|
99 | ||
100 | /** |
|
101 | * Appends a message block with specified length starting from the |
|
102 | * given offset and return its message digest. |
|
103 | * |
|
104 | * @param block A byte[]. |
|
105 | * @param offset An int. |
|
106 | * @param length An int. |
|
107 | * @return A byte[]. |
|
108 | */ |
|
109 | public abstract byte[] digest(byte[] block, |
|
110 | int offset, |
|
111 | int length); |
|
112 | ||
113 | /** |
|
114 | * Resets the state of the class. <b>Beware</b>: calling this |
|
115 | * method erases all data previously inserted. |
|
116 | */ |
|
117 | public abstract void reset(); |
|
118 | } |
This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |