From: Henri Menke <henrimenke@gmail.com>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: (off-topic) concatenating signed PDF documents
Date: Wed, 8 Mar 2017 19:35:39 +0100 [thread overview]
Message-ID: <6f24b29e-4dd3-6da5-c5e6-ed28140c0188@gmail.com> (raw)
In-Reply-To: <5faacaad-7046-c6a4-33cb-4515fecab804@gmx.es>
»If you have PDF documents digitally signed the only way to combine them preserving their signatures is to create a PDF Portfolio with Acrobat Pro.«
Source:
https://answers.acrobatusers.com/How-do-I-combine-multiple-files-to-one-PDF-when-one-or-more-files-has-been-digitally-signed-through-Docusign-q127556.aspx
On 03/08/2017 06:37 PM, Pablo Rodriguez wrote:
> Dear list,
>
> I have a question for users with more knowledge on digitally-signed PDF
> documents.
>
> Is it possible to concatenate PDF documents (each signed by a different
> certificate [by a different person]) into a single PDF document without
> invalidating any signature?
>
> I tried to join all PDF files with pdftk, but digital signatures in the
> resulting file were invalid.
>
> I guess that I’m trying something impossible, but I’ll really appreciate
> the confirmation from somebody with experience in digital-signed PDF
> documents.
>
> Many thanks for your help,
>
> Pablo
>
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next prev parent reply other threads:[~2017-03-08 18:35 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-08 17:37 Pablo Rodriguez
2017-03-08 18:35 ` Henri Menke [this message]
2017-03-08 18:56 ` Pablo Rodriguez
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