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Theses

Authentification d'objets à distance

Abstract : This thesis is dedicated to the description of several bitrsitring comparison based remote object authentication protocols and the study of their theoretical security. The proposed protocols are designed to carry out the authentication of a given object while simultaneously guaranteeing that the information sent and received by the server cannot be tampered with by outside adversaries and that the identity of the tested object remains hidden from outside and (certain) inside adversaries. Finally it has been our objective to use elliptic curve cryptography, taking advantage of its useful properties, notably a better security level to key-size ratio. We present several protocols reaching these objectives, establishing for almost each protocol a theoretical proof of security using a new characterization of a standard security notion.
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Submitted on : Wednesday, April 4, 2012 - 2:56:57 PM
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Jean Lancrenon. Authentification d'objets à distance. Mathématiques générales [math.GM]. Université de Grenoble, 2011. Français. ⟨NNT : 2011GRENM021⟩. ⟨tel-00685206⟩

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