Persistent Identifiers (was: Proposal for Recycling Identifiers in OpenID 2.0)

Johannes Ernst jernst+openid.net at netmesh.us
Mon May 28 16:49:54 UTC 2007


On May 28, 2007, at 7:20, Claus Färber wrote:
> Dmitry Shechtman schrieb:
>> This is definitely an interesting proposal. However, it only  
>> attempts to
>> solve the recycling problem, whereas canonical IDs would solve  
>> this and
>> several more.
>
> I think the best solution would be a Persistent Identifier. If the
> OpenID Provider returns a different Persistent Identifier, the Relying
> Party can assume the ID has been recycled.

And the best persistent identifier is a public key, because it's  
rather hard to fake. (if there is also an operation that challenges  
the publisher of the public key to use it.)

Which is why we've had GPG key pairs for a long time in LID ...

Cheers,



Johannes.




More information about the specs mailing list