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ch3-fundamentalprotocols.pdf

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3 Fundamental MPC Protocols In this chapter we survey several important MPC approaches, covering the main protocols and presenting the intuition behind each approach. All of the approaches discussed can be viewed as a form of computing under encryption, or, more specifically, as secret-sharing the input data and computing on the shares. For example, an encryption Enck (m) of a message m with a key k can be seen as secret-sharing m, where one share is k and the other is Enck (m). We present several fundamental protocols illustrating a variety of generic approaches to…

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