[OpenID] invalidate_handle question

Jorge Niedbalski R. jorge at betazeta.com
Thu Sep 24 19:43:04 UTC 2009


Hi Allan,

Thanks you for your response.

On Thu, 2009-09-24 at 10:13 -0700, Allen Tom wrote:
> Hi Jorge,
> 
> Always great to hear from new OpenID implementors.
> 
> There could be many reasons why an OP may invalidate an association 
> handle, but the most common case is that the handle has expired. In 
> order to practice good secret hygiene, it's a good idea to rotate the 
> secrets periodically. I believe that most OPs invalidate their handles 
> at a frequency of 1 hour to 14 days, with 8-24 hours being the most 
> common. 24 hours seems to be a good value, and that's the maximum 
> association handle lifetime specified by the US federal government's 
> requirements for OPs participating in the Open Government initiative.
> 

We resolved this issue and was in effect a time sync. problem between
the two association entities.

> hope that helps,

Yes it help us. Maybe is a good idea to expand that "whatever reason" to
a more comprehensive information.

> Allen
> 
> Jorge Niedbalski wrote:
> > Finally our question is    What means "whatever reason" in the server
> > logic ? When is set the openid.invalidate_handle ?
> >
> >   
> 

Greetings,

JNR.



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