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Subject: Re: [ubl-dev] Digital Signatures


Giovanni,

Since Infopath is a forms product - it is hard to certify the user
online with their own digital signature.  I presume you are using
SSL in any case for session security.

You really will need a separate step that does the digital
signature.

E.g.

1) User completes Infopath form - and clicks "Confirm"
2) Form creates UBL XML and sends to server -
    server now responses to user -
      "Dispatch Transaction" and digitally sign form.
3) User confirms this - server then packages
     ebXML transaction and sends it with signature
     to downstream government system.
4) You can use the free Hermes ebMS for this -
     see http://www.freebXML.org

5) You a user registers their account with your system,
     then you will need to assign a certificate for them and
     keep track of those.  Again - I can suggest you use
     the Registry available from 4) and the certificate store
     that it provides - as a service.   You may also want
     to look at the Integration project here:
        http://www.ebxmlbook.com/interop  and the
    Java source code there for more ideas.

Enjoy, DW

----- Original Message ----- 
From: "Giovanni Roldan" <groldan@gennassis.com>
To: <ubl-dev@lists.oasis-open.org>
Sent: Friday, December 17, 2004 4:58 PM
Subject: [ubl-dev] Digital Signatures


>
> 1.- Is there available schemas in the UBL definition to digitally sing UBL
> documents? (I can't see the tags and namespaces for digital signature in
> schemas)
>
> 2.- Is there any way to include or to import digital signature definitions
> in UBL shemas?
>
>
> These questions raise because I'm trying to use Microsoft Infopath 2003,
and
> I need to use the digital signature feature that comes with this product
but
> I can't, the product documentation indicate:  "You cannot enable digital
> signatures for a form that was designed based on an XML Schema  that does
> not have a digital signature namespace"
>
>
> I'm working for a government project (in Ecuador- South America) so it's
> very important to support digital signatures using the UBL standard and
> obviously the security feature of MS InfoPath.
>
>
> Saludos,
>
> Giovanni Roldan C.
> GENNASSIS
> www.gennassis.com
>
> Quito
> Ecuador.
>
> -----Mensaje original-----
> De: Stephen Green [mailto:stephen_green@bristol-city.gov.uk]
> Enviado el: viernes, 17 de diciembre de 2004 7:53
> Para: ubl-dev@lists.oasis-open.org
> Asunto: Re: [ubl-dev] Tools for database support for UBL?
>
> Many thanks to all who replied to my question about
> tools and techniques for supporting database integration
> with UBL and UBL-based Schemas and instances.
>
> It will take a while to ponder all the shared information :-)
>
> Tim's response makes me wonder whether some of the
> extra information from the conceptual model which might
> be necessary to properly create table relationships could
> be provided in a form more accessible to a code/SQL
> generator.
>
> If anyone has any further information on how to infer
> (perhaps automatably) the relationships from the xsd
> or spreadsheets which are machine-readable then I'd
> love to hear it.
>
> Also if anyone has any solutions for a .NET developer
> to use I'd love to hear of them.
>
> Again, thanks to everyone.
>
> All the best
>
> Stephen Green
>
>
>
>




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