iaik.xml.crypto.alg.digest

Class ProxyMessageDigest

java.lang.Object

java.security.MessageDigestSpi

iaik.xml.crypto.alg.digest.ProxyMessageDigest

Direct Known Subclasses:

MD5ProxyMessageDigest, RipeMD160ProxyMessageDigest, SHA1ProxyMessageDigest, SHA224ProxyMessageDigest, SHA256ProxyMessageDigest, SHA3_224ProxyMessageDigest, SHA3_256ProxyMessageDigest, SHA3_384ProxyMessageDigest, SHA3_512ProxyMessageDigest, SHA384ProxyMessageDigest, SHA512ProxyMessageDigest

public abstract class ProxyMessageDigest
extends MessageDigestSpi

This MessageDigest delegates all method calls to an underlying JCE message digest engine.

Field Summary

Fields

Modifier and Type	Field and Description
protected MessageDigest	digest_

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ProxyMessageDigest() Creates a new instance of this ProxyMessageDigest.

Method Summary

Modifier and Type	Method and Description
protected byte[]	engineDigest()
protected int	engineDigest(byte[] buf, int offset, int len)
protected int	engineGetDigestLength()
protected void	engineReset()
protected void	engineUpdate(byte input)
protected void	engineUpdate(byte[] input, int offset, int len)
protected void	engineUpdate(ByteBuffer input)
protected void	getInstance(XSecProvider.Purpose purpose)
protected void	getInstanceUncaught(XSecProvider.Purpose purpose)
protected abstract String	getMessageDigestName()

Methods inherited from class java.security.MessageDigestSpi

clone

Methods inherited from class java.lang.Object

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

Field Detail

digest_

protected MessageDigest digest_

Constructor Detail

ProxyMessageDigest

protected ProxyMessageDigest()
                      throws NoSuchAlgorithmException,
                             NoSuchProviderException

Creates a new instance of this ProxyMessageDigest.

Throws:

NoSuchAlgorithmException

NoSuchProviderException

Method Detail

getInstanceUncaught

protected void getInstanceUncaught(XSecProvider.Purpose purpose)
                            throws NoSuchAlgorithmException,
                                   NoSuchProviderException

Throws:

NoSuchAlgorithmException

NoSuchProviderException

getInstance

protected void getInstance(XSecProvider.Purpose purpose)

getMessageDigestName

protected abstract String getMessageDigestName()

engineReset

protected void engineReset()

Specified by:

engineReset in class MessageDigestSpi

See Also:

MessageDigestSpi.engineReset()

engineDigest

protected byte[] engineDigest()

Specified by:

engineDigest in class MessageDigestSpi

See Also:

MessageDigestSpi.engineDigest()

engineUpdate

protected void engineUpdate(byte input)

Specified by:

engineUpdate in class MessageDigestSpi

See Also:

MessageDigestSpi.engineUpdate(byte)

engineUpdate

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

Specified by:

engineUpdate in class MessageDigestSpi

See Also:

MessageDigestSpi.engineUpdate(byte[], int, int)

engineUpdate

protected void engineUpdate(ByteBuffer input)

Overrides:

engineUpdate in class MessageDigestSpi

See Also:

MessageDigestSpi.engineUpdate(java.nio.ByteBuffer)

engineDigest

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

Overrides:

engineDigest in class MessageDigestSpi

Throws:

DigestException

See Also:

MessageDigestSpi.engineDigest(byte[], int, int)

engineGetDigestLength

protected int engineGetDigestLength()

Overrides:

engineGetDigestLength in class MessageDigestSpi

See Also:

MessageDigestSpi.engineGetDigestLength()