If you get current trunks from libxml2 and xmlsec then you will have C14n 1.1 support :) Enjoy! Aleksey Kai Hendry wrote: > Hi Aleksey, > > I'm using xmlsec1 1.2.9 (openssl) from Debian. > > Is Canonical XML 1.1 supported by xmlsec1? > > http://www.w3.org/TR/2007/CR-xml-c14n11-20070621/ > > > > Kind regards,