[foaf-protocols] issue of initiating client auth for parallel SSL sessionids

peter williams home_pw at msn.com
Tue Mar 1 13:09:34 CET 2011

So here is my half-backed, wacky idea (in pure brainstorming mode, not in
well thoughtout textbook writing pedant mode). Its attempting to focus on a
machine UA (with OAUTH style delegated credentials, or gnutls proxy certs,
or.) trying to access a foaf card's private attributes as a crawler -
requiring the machine UA to perform the webid protocol therefore. It's
trying to go beyond the relatively easy (but very useful) case of a human UA
clicking a login button on a web app, to do SSL client authn asserting a
digital id that binds an account.


To get in gear, consider material implication and its truth table. What are
the 3 semantics?


Modus pones is a valid argument

Modus tolens is a valid argument

False premises imply anything is a valid argument


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