Date of Original Version

2001

Type

Book Chapter

Rights Management

DOI 10.1007/3-540-45608-2

Abstract or Table of Contents

The rationale of authentication has been a topic of study for about a decade and a

half. First attempts at formal analysis of authentication protocols were not using

logics per se, but were certainly logical. Millen’s Interrogator [Mil84,MCF87] was

a Prolog based tool specifically designed for authentication protocol analysis

that functioned essentially as a special purpose model checker. Kemmerer used

the general purpose formal specification language Ina Jo and an accompanying

symbolic execution tool Inatest to specify and analyze protocols [Kem87].

We will focus on logics of authentication, beginning with BAN [BAN89a].

However, we will not only be discussing logics per se. We will also be looking at

the ‘rhyme and reason’ of authentication, the attempts to formalize and define

notions of authentication and to apply these. Thus, we will also be considering

the logic of authentication in a broader sense.

We will not discuss (except incidentally) other formal methods that have

been applied to authentication. In particular, we will not be describing process

algebras, automata, automated tools such as theorem provers or model checkers.

Some of these other approaches are discussed elsewhere in this volume. The

remainder of this section will provide background on authentication protocols

and introduce a running example.

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