This paper deals with the definition of a strong authentication model, coupling usual password/PIN based methods with a biometric matching, over a Multi Agent distributed infrastru...
First we revisit three - BGLS, MBGLS and GZZ verifiably encrypted signature schemes [2, 3, 6]. We find that they are all not strong unforgeable.We remark that the notion of existen...
Open distributed systems are typically composed by an unknown number of processes running in heterogeneous hosts. Their communication often requires tolerance to temporary disconn...
Alysson Neves Bessani, Miguel Correia, Joni da Sil...
Multi-party contract signing protocols specify how a number of signers can cooperate in achieving a fully signed contract, even in the presence of dishonest signers. This problem h...
Sjouke Mauw, Sasa Radomirovic, Mohammad Torabi Das...
d Abstract) Ran Canetti and Marc Fischlin Abstract. We propose a new security measure for commitment protocols, called Universally Composable (UC) Commitment. The measure guarantee...