oracle.security.crypto.core
Class MD4

java.lang.Object
oracle.security.crypto.core.MessageDigest
oracle.security.crypto.core.MD4

All Implemented Interfaces:

java.lang.Cloneable

public final class MD4

extends MessageDigest

The MD4 Message Digest algorithm, as specified in RFC 1320.

See Also:

MessageDigest, SHA

Nested Class Summary

Nested classes inherited from class oracle.security.crypto.core.MessageDigest

MessageDigest.MDState

Field Summary

Fields inherited from class oracle.security.crypto.core.MessageDigest

algID, digestBits, digestValid

Constructor Summary

MD4()

Method Summary

java.lang.String	algName() Returns the algorithm name of this message digest.
int	blockSize()
java.lang.Object	clone() Returns a clone of this message digest object.
void	computeCurrent() Completes the hash computation, performing any necessary operations such as padding.
AlgorithmIdentifier	getAlgID()
int	getDigestLength() Returns the length in bytes of the message digest.
protected MessageDigest.MDState	getState()
void	init() Resets the digest to its initial state.
static void	main(java.lang.String[] args)
protected void	setState(MessageDigest.MDState state)
void	update(byte b) Adds the specifed byte to the data being digested.
void	update(byte[] input, int off, int len) Adds the specified sequence of bytes to the data being digested.

Methods inherited from class oracle.security.crypto.core.MessageDigest

computeDigest, computeDigest, getDigestBits, getInstance, isEqual, isEqual, setAlgID, toString, update, update, update, update, update, update, update, update, update, update, updateASCII

Methods inherited from class java.lang.Object

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

Constructor Detail

MD4

public MD4()

Method Detail

getAlgID

public AlgorithmIdentifier getAlgID()

Specified by:

getAlgID in class MessageDigest

blockSize

public int blockSize()

Specified by:

blockSize in class MessageDigest

init

public void init()

Resets the digest to its initial state.

Specified by:

init in class MessageDigest

update

public void update(byte b)

Adds the specifed byte to the data being digested.

Specified by:

update in class MessageDigest

update

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

Adds the specified sequence of bytes to the data being digested.

Overrides:

update in class MessageDigest

Parameters:

input - the input array

off - start position in the input array

len - the number of input array elements to add to the data being digested

computeCurrent

public void computeCurrent()

Completes the hash computation, performing any necessary operations such as padding. The final result of the hash is stored in digestBits.

Specified by:

computeCurrent in class MessageDigest

algName

public java.lang.String algName()

Returns the algorithm name of this message digest.

Specified by:

algName in class MessageDigest

Returns:

"MD4"

getDigestLength

public int getDigestLength()

Returns the length in bytes of the message digest.

Specified by:

getDigestLength in class MessageDigest

clone

public java.lang.Object clone()

Returns a clone of this message digest object.

Specified by:

clone in class MessageDigest

getState

protected MessageDigest.MDState getState()

Specified by:

getState in class MessageDigest

setState

protected void setState(MessageDigest.MDState state)

Specified by:

setState in class MessageDigest

main

public static void main(java.lang.String[] args)