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Secure communications over insecure channels based on short authenticated strings

Publications associées (67)

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Key agreement over a radio link

Jean-Pierre Hubaux, Mario Cagalj

We present a simple, and yet powerful, technique for key establishment over a radio link in peer-to-peer networks. Our approach is based on the Diffie-Hellman key agreement protocol. This protocol is known to be vulnerable to the ``man-in-the-middle" attac ...

2004

Investigation Report on Universal Multimedia Access

Touradj Ebrahimi

Universal Multimedia Access (UMA) refers to the ability to access by any user to the desired multimedia content(s) over any type of network with any device from anywhere and anytime. UMA is a key framework for multimedia content delivery service using meta ...

2004

Digital Signature Schemes with Domain Parameters

Serge Vaudenay

Digital signature schemes often use domain parameters such as prime numbers or elliptic curves. They can be subject to security threats when they are not treated like public keys. In this paper we formalize the notion of "signature scheme with domain param ...

2004

DICTATE: DIstributed CerTification Authority with probabilisTic frEshness for Ad Hoc Networks

Jean-Pierre Hubaux, Jun Luo, Patrick Eugster

Securing ad hoc networks is notoriously challenging, notably due to the lack of an on-line infrastructure. In particular, key management is a problem that has been addressed by many researchers but with limited results. In this paper, we consider the case ...

2004

Deformable tissue parameterized by properties of real biological tissue

Daniel Thalmann, Ronan Boulic, Anderson Maciel

Realistic mechanical models of biological soft tissues are a key issue to allow the implementation of reliable systems to aid on orthopedic diagnosis and surgery planning. We are working to develop a computerized soft tissues model for biotissues based on ...

Springer-Verlag2003

Ontogenetic Development and Fault Tolerance in the POEtic Tissue

Eduardo Sanchez, Yann Thoma, Daniel Roggen

In this article, we introduce the approach to the realization of ontogenetic development and fault tolerance that will be implemented in the POEtic tissue, a novel reconﬁgurable digital circuit dedicated to the realization of bio-inspired systems. The mode ...

Springer2003

High performance VLSI architectures implementing strong cryptographic primitives

Feth Allah Cherigui

The main topic of this thesis is related to the state of the art in designing cryptographic primitives from a hardware point of view. A special emphasis is dedicated to low-power/low-energy CMOS design. A set of solutions is proposed including an LFSR base ...

EPFL2002

Self-Organized Public-Key Management for Mobile Ad Hoc Networks

Jean-Pierre Hubaux, Levente Buttyan, Srdan Capkun

In contrast with conventional networks, mobile ad hoc networks do not provide on-line access to trusted authorities or to centralized servers. For this reason, key management is particularly difficult to implement in such networks. The solutions published ...

2002

Environmental Geomechanics

Lyesse Laloui, Laurent Vulliet

« Environmental Geomechanics » is a relatively new discipline at the interface between built and natural environment. It is devoted to the understanding of the mechanical behavior of geomaterials (mainly soil and rock but also concrete and others) under va ...

PPUR2002

Efficient generation of prime numbers

Serge Vaudenay

The generation of prime numbers underlies the use of most public-key schemes, essentially as a major primitive needed for the creation of key pairs or as a computation stage appearing during various cryptographic setups. Surprisingly, despite decades of in ...

2000