W3C home > Mailing lists > Public > public-xg-webid@w3.org > January 2012

Re: Matter of DN and what's possible

From: Kingsley Idehen <kidehen@openlinksw.com>
Date: Mon, 09 Jan 2012 18:28:57 -0500
Message-ID: <4F0B7839.9040909@openlinksw.com>
To: public-xg-webid@w3.org
On 1/9/12 6:21 PM, Henry Story wrote:
> On 10 Jan 2012, at 00:15, Jürgen Jakobitsch wrote:
>
>> henry wrote :
>>
>> yes. as it happens Jurgens graph would pass my verifier.
>>
>> no it [1] doesn't pass your verifier, which is absolutely correct!
>>
>> message :
>>
>> Verification of http://www.2sea.org/sea.rdf#turnguard?
>> failed	keys in profile don't match key in certificate for http://www.2sea.org/sea.rdf#turnguard
>>
>> only the response message is unclear as to why it didn't pass, because there is no statement about http://www.2sea.org/sea.rdf#turnguard in the graph.
> Well that's why it did not pass!
>
> Currently the ask query requires me to put the WebID from you SAN in to the ?webid slot of the SPARQL query.
> It is really clearly explained here:
>
> https://dvcs.w3.org/hg/WebID/raw-file/tip/spec/index-respec.html#verifying-the-webid-claim
>
> PREFIX :<http://www.w3.org/ns/auth/cert#>
> PREFIX xsd:<http://www.w3.org/2001/XMLSchema#>
> ASK {
>     ?webid :key [
>        :modulus ?mod;
>        :exponent ?exp;
>     ] .
> }
>
> I don't know how this could be any clearer.
>
> Ok the message could say "no relation between the WebId ... and the public key ... was found". That would be clearer.
> I'll add that as a todo.
>
> Henry

Your query has ambiguous scope, does that clarity matters? SPARQL 
engines will produce different results do to how they handle:

1. default graphs
2. named graphs.

Put SPARQL aside, and as I've already stated (presumptuously and 
pretentiously), Jurgen will take get you there, eventually.


Kingsley
>
>> wkr j
>>
>> [1] webidclaim in the certificate : http://www.2sea.org/sea.rdf#turnguard
>>
>> --
>> | Jürgen Jakobitsch,
>> | Software Developer
>> | Semantic Web Company GmbH
>> | Mariahilfer Straße 70 / Neubaugasse 1, Top 8
>> | A - 1070 Wien, Austria
>> | Mob +43 676 62 12 710 | Fax +43.1.402 12 35 - 22
>>
>> COMPANY INFORMATION
>> | http://www.semantic-web.at/
>>
>> PERSONAL INFORMATION
>> | web   : http://www.turnguard.com
>> | foaf  : http://www.turnguard.com/turnguard
>> | skype : jakobitsch-punkt
> Social Web Architect
> http://bblfish.net/
>
>
>


-- 

Regards,

Kingsley Idehen	
Founder&  CEO
OpenLink Software
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Received on Monday, 9 January 2012 23:29:20 GMT

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