Sign PDF file

[be...@hays-dsia.fr]

Hi,

I'am generating PDF file with FOP, and I add encrytion to this file as
explain in FAQ web site ... this works perfectly
Now I want to sign the PDF file for security reason and I wonder if we can
do it with FOP.
If not how I can do it with java ??

thanks a lot

Bertrand







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Re: Sign PDF file

[Clay Leeds <cl...@medata.com>]

Thanks for your quick and informative responses, Chris!

On Apr 29, 2004, at 8:43 AM, Chris Bowditch wrote:
> bertrand.durand@hays-dsia.fr wrote:
>> Hi,
>> I'am generating PDF file with FOP, and I add encrytion to this file as
>> explain in FAQ web site ... this works perfectly
>> Now I want to sign the PDF file for security reason and I wonder if 
>> we can
>> do it with FOP.
>
> It cant be done with FOP today. You could always modify the code and 
> implement this feature. Patches will be most welcome.

Keep in mind, that patches should be made to the HEAD branch, as 
development is frozen on the MAINTENANCE branch (fop-0.20.5 is part of 
the MAINTENANCE branch). Patches for the MAINTENANCE branch, 
unforunately, it probably won't be officially integrated into the 
development process.

Put another way, any PATCHes submitted, are preferred as a unified 
'diff' against the HEAD branch.

Clay Leeds - cleeds@medata.com
-- 
Web Developer - Medata, Inc. - <http://www.medata.com/>
PGP Public Key: <https://mail.medata.com/pgp/cleeds.asc>


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Re: Sign PDF file

[Chris Bowditch <bo...@hotmail.com>]

bertrand.durand@hays-dsia.fr wrote:

> Hi,
> 
> I'am generating PDF file with FOP, and I add encrytion to this file as
> explain in FAQ web site ... this works perfectly
> Now I want to sign the PDF file for security reason and I wonder if we can
> do it with FOP.

It cant be done with FOP today. You could always modify the code and implement 
this feature. Patches will be most welcome.

> If not how I can do it with java ??

There are a number of tools for post processing PDF files. I believe iText is 
good and is a java toolkit:

http://xml.apache.org/fop/resources.html#products-pdf

Chris



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