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Subject: Re: [ubl-dev] Digital Signatures
Patrick / Giovanni, But I still see that as a separate delivery step beyond the InfoPath frontend - and then you can package the Signature block into the transmission. Just because you are using ftp of POST delivery - does not mean you cannot use the ebXML Enveloping structure!!! So - take the InfoPath UBL output, add the digital signature, package as a ebXML message - ftp or POST to partner. Voila! DW ----- Original Message ----- From: "Giovanni Roldan" <groldan@gennassis.com> To: "'Patrick Yee'" <kcyee@cecid.hku.hk>; "'David RR Webber'" <david@drrw.info> Cc: <ubl-dev@lists.oasis-open.org> Sent: Monday, December 20, 2004 7:59 AM Subject: RE: [ubl-dev] Digital Signatures > > Yes Patrick, that is the point. > > Saludos, > > Giovanni Roldan C. > GENNASSIS > > > -----Mensaje original----- > De: Patrick Yee [mailto:kcyee@cecid.hku.hk] > Enviado el: domingo, 19 de diciembre de 2004 23:30 > Para: David RR Webber > CC: Giovanni Roldan; ubl-dev@lists.oasis-open.org > Asunto: Re: [ubl-dev] Digital Signatures > > Tim and David, > > Thanks. But I think Giovanni has a point here. Actually (not only > theorectically) UBL can be used on many transport protocols. Some > supports doing digital signature on the protocol level (like ebMS, WSS, > etc.), but some doesn't. Let's imagine a case where we want to create a > UBL instance and then send it to a partner using HTTP Post method, or > upload it to my partner's FTP server. We may still digitally sign the > UBL instance. These cases, together with the InfoPath application > mentioned by Giovanni suggest: can we have a normative position for > placing the digital signature? > > Regards,- Patirck > > > > > David RR Webber wrote: > > >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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