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From Gilad Denneboom <gilad.denneb...@gmail.com>
Subject Re: Pdf-document with one signature visible in each page
Date Mon, 24 Sep 2018 13:05:00 GMT
A digital signature applies to the entire file as a whole. There's no need
to place it on every page, and it's not possible, either, as it can't be
You'll need to sign each page separately, which will just balloon the size
of your file for no good reason.

On Mon, Sep 24, 2018 at 2:37 PM, Thomas Hermann <thherm@yahoo.de.invalid>

> Hello,
> I try to sign a multi-page pdf document using an External Signature
> Support (see org.apache.pdfbox.pdmodel.interactive.digitalsignature.
> ExternalSigningSupport).
> The signature (covering whole document) shall be embedded in page 1 and
> each page shall have a visible box referencing that signature.
> I managed to get the visible signature in page 1 (using template mechanism
> described in https://github.com/apache/pdfbox/blob/trunk/examples/
> src/main/java/org/apache/pdfbox/examples/signature/
> CreateVisibleSignature2.java)
> but a fail to get a visible box on the other pages. I have no idea how to
> do that.
> Can anyone help me?
> Thanks in advance,
> Thomas

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