I have a question regarding to PADES LVT(part 4 - ETSI TS 102 778-4 V1.1.1 (2009-07)).
I'm trying to put a document Time-stamp dictionary in signed PDF file with following attributes:
Contents: there is byte of TimeStampToken
All as is written in specification ETSI TS 102 778-4 V1.1.1 (2009-07) page 15.
As filter I use Adobe.PPKLite value.
But when open the PDF file and click on signature "Show Signature Properties" on tab "Verification error" I get following error:
"Error during signature verification. The format of this signature is not supported by this signature method. You may require a newer version of the signature handler."
So my question is, if this type of SubFilter "DocTimeStamp" is supported? Or am I doing anything wrong, or should something else to setup?
I use adobe reader 9.3.
Thanks for any answer.
Timestamps are best applied using Acrobat Pro (PDF authoring software) in conjunction with your other software.
Reader is for reading PDFs only and for printing PDFs that have already been authored.
Thanks for answer,
At any rate, you WON'T be able to creaete it with Reader. Reader is only for viewing and printing PDFs. Not editing or authoring.
This would be best addressed by the developers at PADES LTV.