[cap-talk] Password capabilities ??

David-Sarah Hopwood david.hopwood at industrial-designers.co.uk
Tue Feb 10 09:49:45 EST 2009


David-Sarah Hopwood wrote:
> Jed Donnelley wrote:
>> At 09:53 AM 2/6/2009, Sandro Magi wrote:
>>> A password capability is an identity token of sorts,
>>> in which case you've turned your service into an ACL system with the
>>> same possibility for confused deputies, and must therefore vet the
>>> arguments.
>> I don't understand the above.  You must mean something by "password 
>> capability" other than what I've understood by that terminology in the past.
> 
> I think the correct term for a capability used for identity-based
> access checks is "access token", as used in Lampson's Protection paper.

Sorry, I meant to say "access key".

> (Obviously this has all the usual weaknesses of IBAC.)

-- 
David-Sarah Hopwood ⚥



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