blob: 3d5ce2aba851b18163afb317559bdce8670eaf8e (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
/**
* sha3sum – SHA-3 (Keccak) checksum calculator
*
* Copyright © 2013 Mattias Andrée (maandree@member.fsf.org)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* SHA-3/Keccak hash algorithm implementation
*
* @author Mattias Andrée <a href="mailto:maandree@member.fsf.org">maandree@member.fsf.org</a>
*/
public class SHA3
{
/**
* Hidden constructor
*/
private SHA3()
{
// Inhibit instansiation
}
/**
* Class initialiser
*/
static
{
System.loadLibrary("SHA3");
}
/**
* Initialise Keccak sponge
*
* @param r The bitrate
* @param c The capacity
* @param n The output size
*/
public static native void initialise(int r, int c, int n);
/**
* Absorb the more of the message message to the Keccak sponge
*
* @param msg The partial message
*/
public static void update(byte[] msg)
{
update(msg, msg.length);
}
/**
* Absorb the more of the message message to the Keccak sponge
*
* @param msg The partial message
* @param msglen The length of the partial message
*/
public static native void update(byte[] msg, int msglen);
/**
* Squeeze the Keccak sponge
*/
public static byte[] digest()
{
return digest(null);
}
/**
* Absorb the last part of the message and squeeze the Keccak sponge
*
* @param msg The rest of the message
*/
public static byte[] digest(byte[] msg)
{
return digest(msg, msg == null ? 0 : msg.length);
}
/**
* Absorb the last part of the message and squeeze the Keccak sponge
*
* @param msg The rest of the message
* @param msglen The length of the partial message
*/
public static native byte[] digest(byte[] msg, int msglen);
}
|
