We need TSA Document Level signature modulo too!
At the moment we sign document with our certificate. But... sometimes we need to sign document with TSA too. This is important part of signing. Sometimes this is very very very important- for instance when we will implement PAdES 4 profile this module will be essential. without that Document Secure Store will not work
I'm working on this improvement. I'will finish this soon. It's almost done. I only must add some java docs, and might be I change architect design and etc..
So, please assign this it to me I will upload patch as soon as possible