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Re: FLOSS support for signed PDFs

Celejar writes:
> A financial institution refused to enable electronic delivery unless it
> detected Acrobat Reader installed on my system.

How are they doing this detection?  Could you spoof it?

> [Our] statements are created using Adobe Acrobat software and a digital
> signature is added for security purposes.  As the Adobe Acrobat Reader is
> currently the only PDF reader that fully supports digitally signed PDF
> files, this software is required to ensure that the document is genuine.


pdfinfo _might_ get you the signature if you want to verify it (but you'd
have to get their certificate somehow).

Or perhaps they are using PGP:

This looks interesting:

John Hasler

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