Abstract. In this paper, we study the existence of multicollisions in iterated hash functions. We show that finding multicollisions, i.e. r-tuples of messages that all hash to the...
Abstract. For over a decade, agent research has shown that social commitments support the definition of open multiagent systems by capturing the responsibilities that agents contr...
Philippe Pasquier, Roberto A. Flores, Brahim Chaib...
We revisit the following open problem in information-theoretic cryptography: Does the communication complexity of unconditionally secure computation depend on the computational com...
Abstract. We consider a finitary procedural programming language (finite data-types, no recursion) extended with parallel composition and binary semaphores. Having first shown t...
This paper presents our research efforts towards enabling the use of grid infrastructures for supporting Computer Supported Collaborative Learning (CSCL) applications developed acc...