Publications associées à COMBINE: An Improved Directory-Based Consistency Protocol

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Low cost security for sensor networks

Christina Fragouli, Lorenzo Keller, Iris Safaka, Emre Atsan

We design and evaluate a lightweight encryption protocol suitable for sensor networks, that enables weak security in the presence of passive eavesdroppers. At every communication round, our protocol creates a key between each sensor node and the sink, by a ...

Institute of Electrical and Electronics Engineers Inc.2013

Speculative Linearizability

Rachid Guerraoui, Viktor Kuncak, Giuliano Losa

Linearizability is a key design methodology for reasoning about implementations of concurrent abstract data types in both shared memory and message passing systems. It provides the illusion that operations execute sequentially and fault-free, despite the a ...

Assoc Computing Machinery2012

Speculative Linearizability

Rachid Guerraoui, Viktor Kuncak, Giuliano Losa

2011

A Provably Starvation-Free Distributed Directory Protocol

Vincent Gramoli, Hagit Albo Attiya

This paper presents Combine, a distributed directory protocol for shared objects, designed for large-scale distributed systems. Directory protocols support move requests, allowing to write the object locally, as well as lookup requests, providing a read-on ...

Springer-Verlag2010

Joint Identity-Message Coding for Sensor Networks

Christina Fragouli, Suhas Diggavi, Lorenzo Keller, Mahdi Jafari Siavoshani

In a significant class of sensor-network applications, the identities of the reporting sensors constitute the bulk of the communicated data, whereas the message itself can be as small as a single bit—for instance, in many cases, sensors are used to detect ...

Institute of Electrical and Electronics Engineers2010

The Next 700 BFT Protocols

Rachid Guerraoui, Marko Vukolic, Nikola Knezevic

Modern Byzantine fault-tolerant state machine replication (BFT) protocols involve about 20,000 lines of challenging C++ code encompassing synchronization, networking and cryptography. They are notoriously difficult to develop, test and prove. We present a ...

2010

Smashing SQUASH-0

Serge Vaudenay, Khaled Ouafi

At the RFID Security Workshop 2007, Adi Shamir presented a new challenge-response protocol well suited for RFIDs, although based on the Rabin public-key cryptosystem. This protocol, which we call SQUASH-0, was using a linear mixing function which was subse ...

Springer2009

Decentralized Polling with Respectable Participants

Rachid Guerraoui, Anne-Marie Kermarrec, Kévin Clément Huguenin, Maxime Monod

We consider the polling problem in a social network where participants care about their reputation: they do not want their vote to be disclosed nor their misbehaving, if any, to be publicly exposed. Assuming this reputation concern, we show that a simple s ...

2009

COMBINE: An Improved Directory-Based Consistency Protocol

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Low cost security for sensor networks

Input-Aware Equivocable Commitments and UC-secure Commitments With Atomic Exchanges

Speculative Linearizability

Speculative Linearizability

A Provably Starvation-Free Distributed Directory Protocol

Joint Identity-Message Coding for Sensor Networks

The Next 700 BFT Protocols

A New Message Recognition Protocol with Self-recoverability for Ad Hoc Pervasive Networks

Smashing SQUASH-0

Decentralized Polling with Respectable Participants

Input-Aware Equivocable Commitments and UC-secure Commitments With Atomic Exchanges

A New Message Recognition Protocol with Self-recoverability for Ad Hoc Pervasive Networks

Low cost security for sensor networks

Speculative Linearizability

Speculative Linearizability

A Provably Starvation-Free Distributed Directory Protocol

Joint Identity-Message Coding for Sensor Networks

The Next 700 BFT Protocols

Smashing SQUASH-0

Decentralized Polling with Respectable Participants