java.security

Class MessageDigestSpi

java.lang.Object

java.security.MessageDigestSpi

Direct Known Subclasses:

MessageDigest

public abstract class MessageDigestSpi
extends Object

Message Digest Service Provider Interface - [Sun's docs].

Constructor Summary

Constructors

Constructor and Description
MessageDigestSpi()

Method Summary

Modifier and Type	Method and Description
protected abstract byte[]	engineDigest()
protected int	engineDigest(byte[] buf, int offset, int len)
protected int	engineGetDigestLength()
protected abstract void	engineReset()
protected abstract void	engineUpdate(byte input)
protected abstract void	engineUpdate(byte[] input, int offset, int len)

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, toString

Constructor Detail

MessageDigestSpi

public MessageDigestSpi()

Method Detail

engineDigest

protected abstract byte[] engineDigest()

engineDigest

protected int engineDigest(byte[] buf,
                           int offset,
                           int len)
                    throws DigestException

Throws:

DigestException

engineGetDigestLength

protected int engineGetDigestLength()

engineReset

protected abstract void engineReset()

engineUpdate

protected abstract void engineUpdate(byte input)

engineUpdate

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