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IJNSEC
2007
145views more  IJNSEC 2007»
13 years 7 months ago
Authenticated Group Key Agreement Protocols for Ad hoc Wireless Networks
The lack of fixed infrastructure, both physical and organizational, and the highly dynamic nature of ad hoc networks, presents a major challenge in providing secure, authenticate...
Ahmed Abdel-Hafez, Ali Miri, Luis Orozco-Barbosa
PKC
2004
Springer
160views Cryptology» more  PKC 2004»
14 years 1 months ago
Constant Round Authenticated Group Key Agreement via Distributed Computation
Abstract. A group key agreement protocol allows a set of users, communicating over a public network, to agree on a private session key. Most of the schemes proposed so far require ...
Emmanuel Bresson, Dario Catalano
CRYPTO
2003
Springer
98views Cryptology» more  CRYPTO 2003»
14 years 26 days ago
A Message Authentication Code Based on Unimodular Matrix Groups
We present a new construction based on modular groups. A novel element of our construction is to embed each input into a sequence of matrices with determinant ±1, the product of w...
Matthew Cary, Ramarathnam Venkatesan
PERCOM
2007
ACM
14 years 7 months ago
A three round authenticated group key agreement protocol for ad hoc networks
Group Key Agreement (GKA) protocols enable the participants to derive a key based on each one's contribution over a public network without any central authority. They also pr...
Daniel Augot, Raghav Bhaskar, Valérie Issarny, Da...
JOC
2007
133views more  JOC 2007»
13 years 7 months ago
Trapdoor Hard-to-Invert Group Isomorphisms and Their Application to Password-Based Authentication
In the security chain the weakest link is definitely the human one: human beings cannot remember long secrets and often resort to rather insecure solutions to keep track of their ...
Dario Catalano, David Pointcheval, Thomas Pornin