Concept

Secure Shell

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Brief Note on Secured P-Grid (Version-1)

This document talks briefly about making the current P- Grid implementation secure. We realize the following two requirements which we feel are essential for making communication on P-Grid the most secure one. ...

2007

Efficient and Robust Secure Aggregation for Sensor Networks

Karl Aberer, Jean-Pierre Hubaux, Panagiotis Papadimitratos, Marcin Poturalski, Parisa Haghani

Wireless Sensor Networks (WSNs) rely on in-network aggregation for efficiency, however, this comes at a price: A single adversary can severely influence the outcome by contributing an arbitrary partial aggregate value. Secure in-network aggregation can det ...

2007

Secure Data Communication in Mobile Ad Hoc Networks

Panagiotis Papadimitratos

We address the problem of secure and fault-tolerant communication in the presence of adversaries across a multihop wireless network with frequently changing topology. To effectively cope with arbitrary malicious disruption of data transmissions, we propose ...

2006

Mobility Helps Peer-to-Peer Security

Jean-Pierre Hubaux, Levente Buttyan, Srdan Capkun

We propose a straightforward technique to provide peer-to-peer security in mobile networks. We show that far from being a hurdle, mobility can be exploited to set up security associations among users. We leverage on the temporary vicinity of users, during ...

2006

How to specify and how to prove correctness of secure routing protocols for MANET

Jean-Pierre Hubaux, Panagiotis Papadimitratos

Secure routing protocols for mobile ad hoc networks have been developed recently, yet, it has been unclear what are the properties they achieve, as a formal analysis of these protocols is mostly lacking. In this paper we are concerned with this problem, ho ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2006

How to Specify and How to Prove Correctness of Secure Routing Protocols for MANET

Jean-Pierre Hubaux, Panagiotis Papadimitratos

2006

How to specify and how to prove correctness of secure routing protocols for MANET

Jean-Pierre Hubaux, Panagiotis Papadimitratos

Secure routing protocols for mobile ad hoc networks have been developed recently yet, it has been unclear what are the properties they achieve, as a formal analysis of these protocols is mostly lacking. In this paper we are concerned with this problem, how ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2006

Noisy Tags: A Pretty Good Key Exchange Protocol for RFID Tags

Gildas Avoine

We propose a protocol that can be used between an RFID tag and a reader to exchange a secret without performing any expensive computation. Similarly to the famous blocker tag suggested by Juels, Rivest, and Szydlo, our scheme makes use of special tags that ...

2006

Cryptosystems and LLL

Thomas Baignères

Since the late 70’s, several public key cryptographic algorithms have been proposed. Diﬃe and Hellman ﬁrst came with this concept in 1976. Since that time, several other public key cryptosystems were invented, such as the well known RSA, ElGamal or Rabin c ...

2006

Secure Ad Hoc Networking

Panagiotis Papadimitratos

The ad hoc networking technology can enable novel civilian and military applications. However, ad hoc networking protocols are vulnerable to a wide range of attacks. The design of defense mechanisms is a challenging problem, especially in comparison to sec ...

2006