Re: Textbook clueless agent
That is true be we (I am the first author) suggested a number of fairly precise targeting mechanisms that would require knowledge of the intended execution environment (e.g. the secret is _which_ environment is targeted). The paper is available at
http://www.schneier.com/paper-clueless-agents.html
and I think it is pretty readable as crypto papers go.
Biting the hand that feeds IT
