Chapter 13
Authentication
ANTIPHOLUS OF SYRACUSE: To me she speaks; she moves me for her theme!
What, was I married to her in my dream?
Or sleep I now and think I hear all this?
What error drives our eyes and ears amiss?
Until I know this sure uncertainty, I’ll entertain the offer’d fallacy
— The Comedy of Errors, II, ii, 185–190.
Authentication is the binding of an identity to a principal. Network-based authentication mechanisms require a principal to authenticate to a single system, either local or remote. The authentication is then propagated. This chapter explores the question of authentication to a single system.
13.1 Authentication Basics
Subjects act on behalf of some other, external entity. The identity of that entity controls the ...
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