/*
- * Copyright 2001-2009 Internet2
+ * Copyright 2001-2010 Internet2
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
/**
* Gets the signing algorithm for the signature.
*
- * @return the signature algorithm
+ * @return the signature algorithm, or NULL if indeterminate
*/
virtual const XMLCh* getSignatureAlgorithm() const=0;