Just a reminder, signatures (of ANY type on ANY format) are not about
PREVENTING modification – they are about DETECTING modification.
If you want prevention, use encryption & digital rights.
Leonard
From: Rouan van Dalen <[email protected]<mailto:[email protected]>>
Reply-To: Rouan van Dalen <[email protected]<mailto:[email protected]>>,
Post here
<[email protected]<mailto:[email protected]>>
Date: Tue, 25 Oct 2011 03:47:37 -0700
To: Post here
<[email protected]<mailto:[email protected]>>
Subject: Re: [iText-questions] Getting all revisions in PDF
Michael,
Thanks for the reply. I will look into reading the PDF on a low level to
extract revisions.
One last question, After I add all the signatures, I need to lock down the PDF
so that no
modifications can be made afterwards. I was hoping of using the certification
signature
for this, but I changed my code to add the certification signature at the start
and allow form editing.
I am now looking at flattening the form fields. Is this the right use of
flattening or is there a better way to
mark the PDF as not modifiable.
Regards
Rouan
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