[Leaplist] What do you all use for digitally signing PDF files?

[Hank Lambert]

Bryan,

What about this: http://portablesigner.sourceforge.net/

It signs pdf's with a X509 certificate, and runs under Linux.

hth,

--Hank


Bryan J. Smith wrote:
> On Tue, 9/16/08, Bryan J. Smith <b.j.smith at ieee.org> wrote:
>   
>> It seems a number of licensed Florida professionals
>> are now being required to sign any of their documents.
>> It seems PDF 1.3+ (Acrobat 4+) uses SHA-1 hashes.
>> Haven't looked at how it all works though (what PKCS
>> type is used).
>>     
>
> Actually, there's a RFC:  
>   http://www.ietf.org/rfc/rfc3778.txt  
>
> - adbe.x509.rsa_sha1 (PKCS#11)
> - adbe.pkcs7.sha1
> - adbe.pkcs7.detached
>
>   
>> As such, I'm curious who else has run into this, and
>> what they are currently using to digitally sign PDF
>> files?  A print queue that automates this?  Other?
>> Automating it on a print queue would be outstanding,
>> since any system could use it.
>> Thanx!  Desktop software is fine too, Linux or even,
>> gasp, Windows (since there is a system available).
>>     
>
> Thanx again!
>
> -- Bryan
>
> P.S.  Digital signatures here guys, _not_ encryption.
> Just FYI in case you were going to post "security in
> PDF sucks" regarding its ROT13 encryption.  And yes,
> I know about SHA-1, but it's FIPS 140/180.
>
>
>   

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