Attestation

Johannes Ernst jernst+openid.net at netmesh.us
Thu Apr 5 16:40:48 UTC 2007


That wasn't quite my point. My point was that if some assertion  
changes once a minute, but might only be requested by anybody once a  
month, one would construct a solution fundamentally differently than  
if the assertion changed once a decade, and it might be requested  
once a day.


On Apr 5, 2007, at 9:16, Brian Hernacki wrote:

> It would seem preferable for the verifier to simply specify an  
> arbitrary period of validity at the time of signing as there are  
> likely to be more than just two cases.
>
> --brian
>
>
> On 4/5/07 9:13 AM, "Johannes Ernst" <jernst+openid.net at netmesh.us>  
> wrote:
>
>> There seem to be at least two variations of attestation if we  
>> differentiate by how quickly the underlying statement (claim, ...)  
>> may change. E.g.
>>
>> 1. long-term: X is a citizen of country Y. If it changes at all,  
>> it takes years.
>> 2. short-term: X is in the same room with me. It changes minute by  
>> minute.
>>
>> In the first case, we can do things like sign a claim and show  
>> that signed claim every time somebody asks. In the second, we  
>> might have to ask the asserting party in real time?
>>
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Johannes Ernst
NetMesh Inc.


 http://netmesh.info/jernst

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