xades4j.providers.impl
Class DefaultMessageDigestProvider

java.lang.Object
  xades4j.providers.impl.DefaultMessageDigestProvider

All Implemented Interfaces:

MessageDigestEngineProvider

public class DefaultMessageDigestProvider
extends Object
implements MessageDigestEngineProvider

The default implementation of MessageDigestEngineProvider. It supports the default digest algorithms in the Java platform, namely:

• http://www.w3.org/2000/09/xmldsig#sha1 - SHA-1
• http://www.w3.org/2001/04/xmlenc#sha256 - SHA-256
• http://www.w3.org/2001/04/xmldsig-more#sha384 - SHA-384
• http://www.w3.org/2001/04/xmlenc#sha512 - SHA-512

Author:

Luís

Constructor Summary

DefaultMessageDigestProvider()

Method Summary

MessageDigest

getEngine(String digestAlgorithmURI) Gets a MessageDigest engine for the algorithm identified by the given URI.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultMessageDigestProvider

public DefaultMessageDigestProvider()

Method Detail

getEngine

public MessageDigest getEngine(String digestAlgorithmURI)
                        throws UnsupportedAlgorithmException

Description copied from interface: MessageDigestEngineProvider

Gets a MessageDigest engine for the algorithm identified by the given URI. The URIs defined in the XML-DSIG specification are used.

Specified by:

getEngine in interface MessageDigestEngineProvider

Parameters:

digestAlgorithmURI - the URI of the digest algorithm

Returns:

the message digest engine

Throws:

UnsupportedAlgorithmException - if the current provider doesn't support the specified algorithm URI or there is no provider in the platform for the corresponding algorithm name