XPath2FilterContainer04.newInstanceSubtract(doc,
"//NotToBeSigned").getElement());
transforms.addTransform(Transforms.TRANSFORM_XPATH2FILTER04,
XPath2FilterContainer04.newInstanceUnion(doc,
"//ReallyToBeSigned").getElement());
sig.addDocument("", transforms);
String secretKey = "secret";
sig.getKeyInfo().addKeyName("The UTF-8 octets of \"" + secretKey
+ "\" are used for signing ("