Concept

Point-to-Point Protocol

Publications associées (161)

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A Formal Model of Rational Exchange and Its Application to the Analysis of Syverson's Protocol

Jean-Pierre Hubaux, Levente Buttyan, Srdan Capkun

We propose a formal model of rational exchange and exchange protocols in general, which is based on game theory. In this model, an exchange protocol is represented as a set of strategies in a game that is played by the protocol parties and the network that ...

2004

Probabilistic Reliable Multicast in Ad Hoc Networks

Jean-Pierre Hubaux, Jun Luo, Patrick Eugster

When striving for reliability, multicast protocols are most commonly designed as deterministic solutions. Such an approach seems to make the reasoning about reliability guarantees (traditionally binary "all-or-nothing"- like) in the face of packet losses a ...

2004

A multiple core mode for protocol independent multicast

Francesc Font Torre de Mer

Internet communications have traditionally been based on point-to-point connections. This technique is called unicast and allows one sender and one receiver to communicate. The Internet saw the appearance of multicast protocols in the early 90's. Multicast ...

EPFL2004

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

Creating Advanced Functions on Network Processors: Experience and Perspectives

In this paper, we present five case studies of advanced networking functions and how a network processor (NP) can provide high-performance and exible support for each of them. We first review the basic NP system architectures, and describe in more detail t ...

2003

Fair Exchange with Guardian Angels

Serge Vaudenay, Gildas Avoine

In this paper we propose a new probabilistic Fair Exchange Protocol which requires no central Trusted Third Party. Instead, it relies on a virtually distributed and decentralized Trusted Third Party which is formalized as a Guardian Angel: a kind of Observ ...

2003

Route Driven Gossip: Probabilistic Reliable Multicast in Ad Hoc Networks

Jean-Pierre Hubaux, Jun Luo, Patrick Eugster

Traditionally, reliable multicast protocols are deterministic in nature. It is precisely this determinism which tends to become their limiting factor when aiming at reliability and scalability, particularly in highly dynamic networks, e.g., ad hoc networks ...

2003

Route Driven Gossip: Probabilistic Reliable Multicast in Ad Hoc Networks

Jean-Pierre Hubaux, Patrick Eugster

Traditionally, reliable multicast protocols are deterministic in nature. It is precisely this determinism that tends to become their limiting factor when aiming at reliability and scalability, particularly in highly dynamic networks, e.g., ad hoc networks. ...

2003

Secure Link State Routing for Mobile Ad Hoc Networks

Panagiotis Papadimitratos

The secure operation of the routing protocol is one of the major challenges to be met for the proliferation of the Mobile Ad hoc Networking (MANET) paradigm. Nevertheless, security enhancements have been proposed mostly for reactive MANET protocols. The pr ...

IEEE Computer Society2003

Password interception in a SSL/TLS channel

Serge Vaudenay, Martin Vuagnoux

Simple password authentication is often used e.g. from an e-mail software application to a remote IMAP server. This is frequently done in a protected peer-to-peer tunnel, e.g. by SSL/TLS. At Eurocrypt'02, Vaudenay (2002) presented vulnerabilities in paddin ...

2003