No, Acrobat/Reader 9.1 are the first versions to support LTV/DSS. All earlier
versions will ignore it.
You will need to add the necessary code to iText to write DSS dictionaries - no
such support exists today.
Leonard
From: Uribe-Herrerias, Daniel [mailto:[email protected]]
Sent: Friday, October 30, 2009 11:44 AM
To: [email protected]
Subject: Re: [iText-questions] Embed a CRL or OCSP response to a signature that
already exists in the PDF
Thank you Paulo and Leonard for your quick response and help, I really
appreciate it. I am reading the PAdES LTV Profile (ETSI TS 102-778-4) document,
but if only Adobe Reader/Acrobat 9.1 and above support it, it may not work for
me, since the system is supposed to support 7.0 and above. If this is the only
option, I may have to go with the difficult choice of resigning every document
that is missing the revocation information. Do any of you know if this method
to read long term validation information from a DSS dictionary works in older
versions of Adobe Reader/Acrobat?
Do you have any examples or information on how to add the CRL or OCSP responses
to the DSS dictionary? The signing with timestamp is currently just using
something similar to what's provided at
http://itextpdf.sourceforge.net/howtosign.html and I am not sure if that uses
the DSS dictionary, if it doesn't, I am not sure the Long Term Validation
information could be added this way.
Thanks again,
Daniel Uribe
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