[Cantor, Scott]

> Thank you for your response. Whitespaces shouldn't be a problem. With the
> apache xml-security libraries, I've test cases with different namespaces
> locations, and they all pass.

Whitespace is almost certainly your problem. I don't see what namespaces have to do with that. They can also cause the problem, but they aren't whitespace.

> Are you internally using apache libraries, or you implement signature
> verification and validation in xmltooling? I'm asking in order to try to identify where the
> problem can be.

The signature code is from Santuario. The serialization processing could be a large mix of lots of things, including your own code.

-- Scott