blob: 33103b26a7ff4d7e74d313a3e1219fc4a301813e (
plain)
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
|
package org.spongycastle.crypto;
/**
* interface that a message digest conforms to.
*/
public interface Digest
{
/**
* return the algorithm name
*
* @return the algorithm name
*/
public String getAlgorithmName();
/**
* return the size, in bytes, of the digest produced by this message digest.
*
* @return the size, in bytes, of the digest produced by this message digest.
*/
public int getDigestSize();
/**
* update the message digest with a single byte.
*
* @param in the input byte to be entered.
*/
public void update(byte in);
/**
* update the message digest with a block of bytes.
*
* @param in the byte array containing the data.
* @param inOff the offset into the byte array where the data starts.
* @param len the length of the data.
*/
public void update(byte[] in, int inOff, int len);
/**
* close the digest, producing the final digest value. The doFinal
* call leaves the digest reset.
*
* @param out the array the digest is to be copied into.
* @param outOff the offset into the out array the digest is to start at.
*/
public int doFinal(byte[] out, int outOff);
/**
* reset the digest back to it's initial state.
*/
public void reset();
}
|
