RE: [pdf-devel] wish: verify signed PDF documents

[Leonard Rosenthol]

Feel free to write it.

All of the specifications are documented as part of ISO 32000-1 (ISO PDF), 
though may also need related standards such as PKCS#7, PCKS#1, RSA encryption, 
etc.

-----Original Message-----
From: Krzysztof Żelechowski [mailto:address@hidden 
Sent: Thursday, January 27, 2011 7:51 PM
To: Leonard Rosenthol
Cc: address@hidden
Subject: Re: [pdf-devel] wish: verify signed PDF documents

Dnia czwartek, 27 stycznia 2011 o 18:32:05 Leonard Rosenthol napisał(a):
> While it would be nice for gnupdf to someday be able to do this, I will point 
> out that there are a number of non-cost (free) tools including Adobe Reader 
> that can verify PDF signatures AS WELL AS open source (free) libraries and 
> tools such as iText that can do so as well.

I am for things free as in beer and iText’s documentation is not copyleft — so 
I dare sustain my suggestion.

Thanks,
Chris