LNCS 2729 Universally Composable Efficient Multiparty Computation from Threshold Homomorphic Encryption 1st Edition by Ivan Damgard, Jesper Buus Nielsen ISBN 3540451463 9783540451464

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Product details:

ISBN 10: 3540451463

ISBN 13: 9783540451464

Author:  Ivan Damgard, Jesper Buus Nielsen 

LNCS 2729 – Universally Composable Efficient Multiparty Computation from Threshold Homomorphic Encryption 1st Edition: We present a new general multiparty computation protocol for the cryptographic scenario which is universally composable — in particular, it is secure against an active and adaptive adversary, corrupting any minority of the parties. The protocol is as efficient as the best known statically secure solutions, in particular the number of bits broadcast (which dominates the complexity) is Ω (nk |C|), where n is the number of parties, k is a security parameter, and |C| is the size of a circuit doing the desired computation. Unlike previous adaptively secure protocols for the cryptographic model, our protocol does not use non-committing encryption, instead it is based on homomorphic threshold encryption, in particular the Paillier cryptosystem.

 

LNCS 2729 – Universally Composable Efficient Multiparty Computation from Threshold Homomorphic Encryption 1st Edition Table of contents:

1 Introduction

2 An Informal Description

3 Preliminaries

4 Non-Erasure Concurrent Zero-Knowledge Proofs of
Knowledge

5 Universally Composable Security

6 The Paillier Cryptosystem and Some Tools

7 An Arithmetic Black Box

 

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