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Advances in modern cryptography coupled with rapid growth in processing and communication speeds make secure twoparty computation a realistic paradigm. Yet, thus far, interest in this paradigm has remained mostly theoretical. This paper introduces Fairplay [28], a full-fledged system that implements generic secure function evaluation (SFE). Fairplay(More)
We present a protocol for diffusion of updates among replicas in a distributed system where up to b replicas may suffer Byzantine failures. Our algorithm ensures that no correct replica accepts spurious updates introduced by faulty replicas, by requiring that a replica accepts an update only after receiving it from at least b + 1 distinct replicas (or(More)
In this paper we describe a learning system which acquires knowledge in an attempt to improve the performance of a problem solver that plays the game of fives. We present experimental results indicating that the performance of the problem solver is improved at the beginning, but degrades afterwards down to almost its initial level. We introduce a selection(More)