Combining intruder theories
Identifieur interne : 006648 ( Main/Merge ); précédent : 006647; suivant : 006649Combining intruder theories
Auteurs : Yannick Chevalier [France] ; Michaël Rusinowitch [France]Source :
- Lecture notes in computer science [ 0302-9743 ] ; 2005.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Cryptographie.
English descriptors
- KwdEn :
Abstract
Most of the decision procedures for symbolic analysis of protocols are limited to a fixed set of algebraic operators associated with a fixed intruder theory. Examples of such sets of operators comprise XOR, multiplication/exponentiation, abstract encryption/decryption. In this paper we give an algorithm for combining decision procedures for arbitrary intruder theories with disjoint sets of operators, provided that solvability of ordered intruder constraints, a slight generalization of intruder constraints, can be decided in each theory. This is the case for most of the intruder theories for which a decision procedure has been given. In particular our result allows us to decide trace-based security properties of protocols that employ any combination of the above mentioned operators with a bounded number of sessions.
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Pascal:05-0336972Le document en format XML
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<term>Decryption</term>
<term>Encryption</term>
<term>Exponentiation</term>
<term>Intruder</term>
<term>Safety</term>
<term>Set theory</term>
<term>Solvability</term>
<term>Symbolic analysis</term>
<term>Transmission protocol</term>
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<term>Protocole transmission</term>
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<front><div type="abstract" xml:lang="en">Most of the decision procedures for symbolic analysis of protocols are limited to a fixed set of algebraic operators associated with a fixed intruder theory. Examples of such sets of operators comprise XOR, multiplication/exponentiation, abstract encryption/decryption. In this paper we give an algorithm for combining decision procedures for arbitrary intruder theories with disjoint sets of operators, provided that solvability of ordered intruder constraints, a slight generalization of intruder constraints, can be decided in each theory. This is the case for most of the intruder theories for which a decision procedure has been given. In particular our result allows us to decide trace-based security properties of protocols that employ any combination of the above mentioned operators with a bounded number of sessions.</div>
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