InforLorV4, Hal, Corpus, bibRecord, 001747

Computationally Sound Implementations of Equational Theories against Passive Adversaries

Identifieur interne : 001747 ( Hal/Corpus ); précédent : 001746; suivant : 001748

Computationally Sound Implementations of Equational Theories against Passive Adversaries

Auteurs : Mathieu Baudet ; Véronique Cortier ; Steve Kremer

Source :

Information and Computation [ 0890-5401 ] ; 2009.

RBID : Hal:inria-00426620

Abstract

In this paper we study the link between formal and cryptographic models for security protocols in the presence of passive adversaries. In contrast to other works, we do not consider a fixed set of primitives but aim at results for arbitrary equational theories. We define a framework forcomparing a cryptographicimplementation and its idealization with respect to various security notions. In particular, we concentrate on the computational soundness of static equivalence, a standard tool in cryptographic pi calculi. We present a soundness criterion, which for many theories is not only sufficient but also necessary. Finally, to illustrate our framework, we establish the soundness of static equivalence for the exclusive OR and a theory of ciphers and lists.

Url:

https://hal.inria.fr/inria-00426620

DOI: 10.1016/j.ic.2008.12.005

Links to Exploration step

Hal:inria-00426620

Le document en format XML

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<front><div type="abstract" xml:lang="en">In this paper we study the link between formal and cryptographic models for security protocols in the presence of passive adversaries. In contrast to other works, we do not consider a fixed set of primitives but aim at results for arbitrary equational theories. We define a framework forcomparing a cryptographicimplementation and its idealization with respect to various security notions. In particular, we concentrate on the computational soundness of static equivalence, a standard tool in cryptographic pi calculi. We present a soundness criterion, which for many theories is not only sufficient but also necessary. Finally, to illustrate our framework, we establish the soundness of static equivalence for the exclusive OR and a theory of ciphers and lists.</div>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Computationally Sound Implementations of Equational Theories against Passive Adversaries</title>
<author role="aut"><persName><forename type="first">Mathieu</forename>
<surname>Baudet</surname>
</persName>
<idno type="halAuthorId">64513</idno>
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<author role="aut"><persName><forename type="first">Véronique</forename>
<surname>Cortier</surname>
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<email>cortier@loria.fr</email>
<idno type="halAuthorId">64506</idno>
<affiliation ref="#struct-2366"></affiliation>
</author>
<author role="aut"><persName><forename type="first">Steve</forename>
<surname>Kremer</surname>
</persName>
<idno type="idHal">steve-kremer</idno>
<idno type="halAuthorId">64514</idno>
<affiliation ref="#struct-2571"></affiliation>
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<monogr><idno type="halJournalId" status="VALID">14180</idno>
<idno type="issn">0890-5401</idno>
<idno type="eissn">1090-2651</idno>
<title level="j">Information and Computation</title>
<imprint><publisher>Elsevier</publisher>
<biblScope unit="volume">207</biblScope>
<biblScope unit="issue">4</biblScope>
<biblScope unit="pp">496-520</biblScope>
<date type="datePub">2009</date>
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<idno type="doi">10.1016/j.ic.2008.12.005</idno>
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<abstract xml:lang="en">In this paper we study the link between formal and cryptographic models for security protocols in the presence of passive adversaries. In contrast to other works, we do not consider a fixed set of primitives but aim at results for arbitrary equational theories. We define a framework forcomparing a cryptographicimplementation and its idealization with respect to various security notions. In particular, we concentrate on the computational soundness of static equivalence, a standard tool in cryptographic pi calculi. We present a soundness criterion, which for many theories is not only sufficient but also necessary. Finally, to illustrate our framework, we establish the soundness of static equivalence for the exclusive OR and a theory of ciphers and lists.</abstract>
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Computationally Sound Implementations of Equational Theories against Passive Adversaries

Computationally Sound Implementations of Equational Theories against Passive Adversaries

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