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List:       opensuse
Subject:    Re: [opensuse] What happened to Adobe Acrobat reader
From:       "Carlos E. R." <robin.listas () telefonica ! net>
Date:       2014-07-23 1:47:52
Message-ID: alpine.LSU.2.11.1407230340130.32106 () minas-tirith ! valinor
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El 2014-07-22 a las 20:17 -0500, Ricardo Chung escribió:
> On Wednesday, July 23, 2014 02:20:15 AM Carlos E. R. wrote:

>> Any modification nullifies the certificate. The way that can be done, i
>> understand, is that the PDF saves the certified copy, and the
>> modifications separately, in the same file, but accessible. And perhaps
>> the modifications can be signed with your own certificate.
>>
> If it possible right now,Not known. It looks complex and hard to accomplish.

On some of the signed receipts or invoices I get, if viewed in acrobat, I 
can click somewhere on the left hand panel and see the document version 
prior and after the signing event.

- From this I speculated how a signed and filled form could work. I have not 
tried to do it: as I said, they usually request to print and hand sign 
here. And years ago they told me the signing feature needed the full 
Windows acrobat version, anyway... dunno if this changed.



> If time is possible on my side, I would like to try pdftk (command line) with
> pdftk-qgui (QT graphical interface). So far I read, It could fill the
> expectations. They are available from openSUSE-13.1-Oss and Packman
> repositories.

AFAIK, the problem is javascript. Many forms use javascript code, and 
there is no Linux PDF viewer that supports running javascript code.

That, and signatures.

- -- 
Cheers
        Carlos E. R.

        (from 13.1 x86_64 "Bottle" (Minas Tirith))

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