I have just tagged & upload a new jar of the xmlsec-1.4.Beta1, you can find the new jar in: http://people.apache.org/~raul/dist/xmlsec-1.4.Beta1.jar
All the bugs reported should be fixed in this release. So please download and take a look. Regards, Raul p.s.I will be on vacation this week, without internet connection. -------- Changelog for 1.4.Beta1 Fixed bug 40032. Fixed bug when the prefix digital signature uri is not null. Changes in the NodeFilter API in order to let the transformations do some optimizations take into account the c14n order. Optimization in signature transformation in node-sets(xpath, xpath2), 20-40% speed-up. -- http://r-bg.com