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

Re: Matter of DN and what's possible

From: Henry Story <henry.story@bblfish.net>
Date: Tue, 10 Jan 2012 00:35:03 +0100
Cc: public-xg-webid@w3.org
Message-Id: <3BF05AA6-109D-4230-BBC1-755C493BAF8A@bblfish.net>
To: Kingsley Idehen <kidehen@openlinksw.com>

On 10 Jan 2012, at 00:28, Kingsley Idehen wrote:

> 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?

If it is true then it does matter indeed.

> SPARQL engines will produce different results do to how they handle:
> 
> 1. default graphs
> 2. named graphs.

The spec is clear that the graph considered is the graph that is produced from the representation returned.
Is it still ambiguous now?

Henry
http://bblfish.net/
Received on Monday, 9 January 2012 23:35:33 GMT

This archive was generated by hypermail 2.2.0+W3C-0.50 : Monday, 9 January 2012 23:35:34 GMT