2 papers
cs.IT2016
Public Key Protocols over the Ring E_p(m)
Joan-Josep Climent, Juan Antonio Lopez-Ramos
In this paper we use the nonrepresentable ring E_p(m)to introduce public key cryptosystems in noncommutative settings and based on the Semigrouop Action Problem and the Decompositi…
cs.CR2016
An active attack on a distributed Group Key Exchange system
Mohamed Baouch, Juan Antonio López-Ramos, Reto Schnyder +1
In this work, we introduce an active attack on a Group Key Exchange protocol by Burmester and Desmedt. The attacker obtains a copy of the shared key, which is created in a collabor…