de.flexiprovider.core.md
Class VSH

java.lang.Object
  |
  +--java.security.MessageDigestSpi
        |
        +--de.flexiprovider.api.MessageDigest
              |
              +--de.flexiprovider.core.md.VSH

public class VSH

extends MessageDigest

This is an implementation of the Basic VSH Message digest

Author:

Paul Nguentcheu

Inner Class Summary

protected static class

VSH.Bitstring Inner class for representing bit strings.

Field Summary

static java.lang.String

ALG_NAME The algorithm name.

Constructor Summary

VSH()
Constructor.

Method Summary

byte[]	digest() Completes the hash computation by performing final operations such as padding.
int	getDigestLength()
void	reset() Resets the digest for further use.
void	update(byte input) Updates the digest using the specified byte.
void	update(byte[] input, int offset, int len) Updates the digest using the specified array of bytes, starting at the specified offset.

Methods inherited from class de.flexiprovider.api.MessageDigest

digest, digest, engineDigest, engineGetDigestLength, engineReset, engineUpdate, engineUpdate, update

Methods inherited from class java.security.MessageDigestSpi

clone, engineDigest

Methods inherited from class java.lang.Object

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

Field Detail

ALG_NAME

public static final java.lang.String ALG_NAME

The algorithm name.

Constructor Detail

VSH

public VSH()

Constructor.

Method Detail

getDigestLength

public int getDigestLength()

Overrides:

getDigestLength in class MessageDigest

Returns:

the digest length in bytes

update

public void update(byte[] input,
                   int offset,
                   int len)

Updates the digest using the specified array of bytes, starting at the specified offset.

Overrides:

update in class MessageDigest

Parameters:

input - the byte[] to use for the update.

offset - the offset to start from in the array of bytes.

len - the number of bytes to use, starting at offset.

update

public void update(byte input)

Updates the digest using the specified byte.

Overrides:

update in class MessageDigest

Parameters:

input - - the byte to use for the update.

reset

public void reset()

Resets the digest for further use.

Overrides:

reset in class MessageDigest

digest

public byte[] digest()

Completes the hash computation by performing final operations such as padding.

Overrides:

digest in class MessageDigest

Returns:

the digest value