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Subject: Re: [xri] Removing ds elements from schema (was: OpenID Delegatingrelationship in XRD)
I can live without the extension wrapper if we have a better way. I think recommending having the signature at the top for streaming applications is sufficient. I don't think it makes any real difference to most parsers. The best way to limit it to one is the question. John B. On 2009-09-08, at 12:19 PM, Scott Cantor wrote: > Will Norris wrote on 2009-09-08: >> I'm actually really interested in pursuing this a bit more as well. >> It would allow us to use the original content model we had, but in a >> way that works with XSD. Interestingly, if we don't include the ds:* >> elements as part of the XRD schema, it would solve the problem we had >> with RelaxNG since there is no longer a schema dependence on XML >> DSig. (Not that I'm necessarily advocating a switch back to RelaxNG >> at this point). > > Sorry I didn't think of it originally. I imagine it wouldn't be all > that > hard to get one written based on the original one. > >> The other big question is the placement of ds:Signature. I >> completely >> understand Scott's argument for placing it higher up in the document. >> This change we're discussing would mean that the Signature could now >> appear anywhere in the document. Scott, how much of a concern is >> this >> really? > > It's not only that, it's also limiting the number to one. While it > sometimes > comes up to support multiple signatures, that's somewhat complex in > practice > (because of signature ordering). > >> The idea of placing it higher is so that XML processors would >> know early on if they needed to be doing canonicalization. How many >> processors actually alter their behavior in the presence of the >> Signature element in this way? > > It's for streaming implementations. > >> I'm fairly certain the Java version of >> XML-Tooling does not. How about the C version? > > We're exclusively DOM-based, so we don't care. > >> We could always >> recommend that XRD providers place the Signature element higher up in >> the document. > > True. > > -- Scott > > > > --------------------------------------------------------------------- > To unsubscribe from this mail list, you must leave the OASIS TC that > generates this mail. Follow this link to all your TCs in OASIS at: > https://www.oasis-open.org/apps/org/workgroup/portal/my_workgroups.php >
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