java.security

Class MessageDigest

java.lang.Object

java.security.MessageDigestSpi

java.security.MessageDigest

public class MessageDigest
extends MessageDigestSpi

forwarding implementation of MessageDigest. <2do> only partially implemented (as required by serialization)

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	MessageDigest(String algorithm)

Method Summary

Methods

Modifier and Type	Method and Description
byte[]	digest(byte[] input)
protected byte[]	engineDigest()
protected void	engineReset()
protected void	engineUpdate(byte input)
protected void	engineUpdate(byte[] input, int offset, int len)
protected void	finalize()
static MessageDigest	getInstance(String algorithm)

Methods inherited from class java.security.MessageDigestSpi

clone, engineDigest, engineGetDigestLength, engineUpdate

Methods inherited from class java.lang.Object

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

Constructor Detail

MessageDigest

protected MessageDigest(String algorithm)
                 throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

Method Detail

getInstance

public static MessageDigest getInstance(String algorithm)
                                 throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

digest

public byte[] digest(byte[] input)

finalize

protected void finalize()

Overrides:

finalize in class Object

engineDigest

protected byte[] engineDigest()

Specified by:

engineDigest in class MessageDigestSpi

engineReset

protected void engineReset()

Specified by:

engineReset in class MessageDigestSpi

engineUpdate

protected void engineUpdate(byte input)

Specified by:

engineUpdate in class MessageDigestSpi

engineUpdate

protected void engineUpdate(byte[] input,
                int offset,
                int len)

Specified by:

engineUpdate in class MessageDigestSpi