String filename =
gregorsDir + "coreFeatures/signatures/anonymousReferenceSignature.xml";
String anonymousRef =
gregorsDir + "coreFeatures/samples/anonymousReferenceContent.xml";
ResourceResolverSpi resolver = new ResolverAnonymous(anonymousRef);
boolean followManifests = false;
boolean verify = false;
try {
verify = this.verify(filename, resolver, followManifests);