org.apache.sshd.common.digest
Class BaseDigest

java.lang.Object
  org.apache.sshd.common.digest.BaseDigest

All Implemented Interfaces:

Digest

Direct Known Subclasses:

MD5, SHA1

public class BaseDigest
extends java.lang.Object
implements Digest

Base class for Digest algorithms based on the JCE provider.

Author:

Apache MINA SSHD Project

Constructor Summary

BaseDigest(java.lang.String algorithm, int bsize)
Create a new digest using the given algorithm and block size.

Method Summary

byte[]	digest()
int	getBlockSize()
void	init()
void	update(byte[] foo, int start, int len)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BaseDigest

public BaseDigest(java.lang.String algorithm,
                  int bsize)

Create a new digest using the given algorithm and block size. The initialization and creation of the underlying MessageDigest object will be done in the init() method.

Parameters:

algorithm - the JCE algorithm to use for this digest

bsize - the block size of this digest

Method Detail

getBlockSize

public int getBlockSize()

Specified by:

getBlockSize in interface Digest

init

public void init()
          throws java.lang.Exception

Specified by:

init in interface Digest

Throws:

java.lang.Exception

update

public void update(byte[] foo,
                   int start,
                   int len)
            throws java.lang.Exception

Specified by:

update in interface Digest

Throws:

java.lang.Exception

digest

public byte[] digest()
              throws java.lang.Exception

Specified by:

digest in interface Digest

Throws:

java.lang.Exception