xades4j.providers
Interface MessageDigestEngineProvider

All Known Implementing Classes:

DefaultMessageDigestProvider

public interface MessageDigestEngineProvider

Interface for providers of message digest engines. A default implementation is provided.

Author:

Luís

See Also:

DefaultMessageDigestProvider

Method Summary

MessageDigest

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

Method Detail

getEngine

MessageDigest getEngine(String digestAlgorithmURI)
                        throws UnsupportedAlgorithmException

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

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