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Research and Application of Secure Multiparty Computation Protocols

Author: LiQiang
Tutor: ChenKeFei
School: Shanghai Jiaotong University
Course: Computer System Architecture
Keywords: Secure multiparty computation OT VSS Threshold homomorphic encryption Mix-Match Secret Sharing (t, n) threshold Access structure Blind Table
CLC: TP393.08
Type: Master's thesis
Year: 2003
Downloads: 545
Quote: 6
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Abstract


This paper summarizes the current secure multiparty computation protocols Research, presents and analyzes the existing four categories of secure multiparty computation protocol: \Threshold encrypted secure multiparty computation protocol \In analyzing the advantages and disadvantages of existing protocols, based on this paper four secure multiparty computation protocols have greatly improved. These improvements are: (1) \n) threshold access structure of this particular long as there is an active participant of malicious attacks, the entire agreement will not continue. Improved protocol can achieve any of the access structure. (2) \This special access structures, where n ≥ 2t? 1. 2) proposed a new \and thus for the realization of arbitrary access structures provide a basis 3) a calculation of the domain of the \(3) \n) threshold access to this special structure, in which n ≥ 2t? 1. 2) gives a computational domain of \arbitrary function. (4) \) threshold structure of this particular visit. 2) gives the \Finally, in the analysis of the existing agreement on the basis of the characteristics, this paper proposes a new secure multiparty computation protocols. The most important feature of the agreement is to calculate the domain multiplication, inversion simple addition operation complicated. Secondly, the new protocol operation input argument limits the number of canceled, can achieve \

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Computer network > General issues > Computer Network Security
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