> -----Original Message-----
> From: Eder de Oliveira [mailto:eder@xxxxxxxxxxxxx]
> 
> Anyone, know a parser XML Encryption or XML signature supported ?
> 

Hi,

That's a chapter in itself (separate from XSLT or the XML parser). 
Check http://xml.apache.org/security/index
for an Open Source (beta) implementation.


HTH!

Cheers,

Andreas