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Lecture Notes in Computer Science
Information theoretically secure multi-party computation (MPC) is a central primitive of modern cryptography. However, relatively little is known about the communication complexity of this primitive. In this work, we develop powerful information theoretic tools to prove lower bounds on the communication complexity of MPC. We restrict ourselves to a concrete setting involving 3-parties, in order to bring out the power of these tools without introducing too many complications. Our techniquesdoi:10.1007/978-3-662-44381-1_12 fatcat:zr2xvjjqcvepdmndfnpx4bmrsu