Re: [xri] Rewriten SimpleSign page

[Nat Sakimura <n-sakimura@nri.co.jp>]

Hi George,

I do not think there is any size limit in attributes.

So, that is also valid, I think.
One reservation that I have then is that the XRD in inline mode and
XRD in the detached mode is a different thing now.
That, I think, is the reason that John and Brian has introduced a new
element.

What do you think? > Brian and John

=nat


George Fletcher wrote:
> Hi Nat,
>
> Is a new XML element (SDSIG) required because of limits in the size of
> XML attribute values? I was kind of hoping we could have one XML element
> (XRD) and just use different attributes to specify whether the XRD
> signature is external or included. Something like...
>
> <XRD sigVal="base64 signature" sigData="base64 of binary XRD 'file'"
> sigAlg="signature algorithm" certURI="URI to cert" />
>
> for representations that need to support multiple signatures. This way
> the receiver only has one XML element to parse rather than needed to
> look for either <XRD> or <SDSIG>.
>
> I suppose that if the XRD is rather large this could get cumbersome for
> an XML attribute. If we have to add child elements anyway, then using a
> different XML element doesn't make much difference to the receiver.
>
> Thanks,
> George
>
> Nat Sakimura wrote:
>   
>> I have re-written the XrdOne/SimpleSign page to reflect the talks today.
>>
>> http://wiki.oasis-open.org/xri/XrdOne/SimpleSign
>>
>> Hope this is simple enough and close to an agreement.
>>
>> I have changed <SXRD> element name to <SDSIG> to generalize it.
>> Perhaps that's too much of a generalization though.
>> Also, instead of ds:KeyInfo, I have flattened things and defined
>> <CertURI>, <Certs>, <SigAlg>.
>>
>> We do not gain much by borrowing just ds:KeyInfo from XML Dsig.
>> If we have XML Dsig processor, we would be using XML Dsig after all.
>>
>> =nat
>>
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