PDF and digital signing

[a.ned...@hccnet.nl]

Can anybody help me with how to digitally sign a PDF file with for
example PKCS7 etc.etc. I have a class that generates the pdf from
scratch, but adding a certificate is a bit difficult for me.

[Jorge Rosado]

Hi,

I use iTextSharp (.net assemby) for that, with some classes created by me
for interfacing with vo. You need to register the assembly.

Works very well. If you wante I can send you the dll and some example how to
use it.

Jorge Rosado

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[a.ned...@hccnet.nl]

On 21 aug, 13:22, "Jorge Rosado" <i...@jrpi.pt> wrote:
> Hi,
>
> I use iTextSharp (.net assemby) for that, with some classes created by me
> for interfacing with vo. You need to register the assembly.
>
> Works very well. If you wante I can send you the dll and some example how to
> use it.
>
> Jorge Rosado
>
> --
>

> <a.nederp...@hccnet.nl> escreveu na mensagemnews:7b7e3479-bb41-4fb5...@k7g2000hsd.googlegroups.com...

>
>
>
> > Can anybody help me with how to digitally sign a PDF file with for
> > example PKCS7 etc.etc. I have a class that generates the pdf from

> > scratch, but adding a certificate is a bit difficult for me.- Tekst uit oorspronkelijk bericht niet weergeven -
>
> - Tekst uit oorspronkelijk bericht weergeven -

I'm more looking like somebody who can tell me how to use such a thing
using an API in windows, i have my own class to generate the PDF, but
i only need to add the /CERT etc. in the pdf
Somebody who can tell me about this section ?

[Carlos Rocha]

Maybe with this two products from Chilkat

http://www.chilkatsoft.com/pfx-activex.asp
http://www.chilkatsoft.com/rsa-activex.asp

[Jorge Rosado]

In VO will be very hard to implement. With .net its easy, if you want write
an assembly in Vulcan or C# (use iTextSharp for that is GPL, and is written
in C#).

Jorge Rosado
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[Geoff Schaller]

Hello (no name).

Jorge is 100% correct.

What you want to do is very, very difficult in VO and very, very easy in
Dot net. So the best answer is to have a small dot net assembly to carry
out this function and simply call the dot net dll from your VO
application. Alternately, turn the dot net dll into an ActiveX and use
it from VO that way.

Geoff

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