Hi Dave,

I have snipped quite a few of your previous message:


> In my case, I want to sign the <file> and all elements within the
> <signerBlock>.  But later, that same data may appear in another
> transactions at a different hierarchy entirely.

There's 2 options.. one is the enveloped signature (I get terribly
confused by the names enveloped and enveloping signatures). It's a
standard transform that signs the parent of the signature, and
automatically removes itself.
If you want more finegrained control, take a look at the XPath here()
function that's specified in the spec. It allows you to find content based
on the location of the signature. I am no XPath expert myself, but it
should be fairly easy to write up some XPath to travel up and down the
chain a few times to find what you need.
Erwin


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