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JIPS
2007

A Practical Privacy-Preserving Cooperative Computation Protocol without Oblivious Transfer for Linear Systems of Equations

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A Practical Privacy-Preserving Cooperative Computation Protocol without Oblivious Transfer for Linear Systems of Equations
: We propose several practical SMC protocols for privacy-preserving cooperative scientific computations. We consider two important scientific computations which involve linear equations: the linear systems of equations problem and the linear least-square problem. The protocols proposed in this paper achieve acceptable security in the sense of Du-Zhan’s paradigm and t-wise collusionresistance, and their communication complexity is O(tm), where t is a security parameter and m is the total number of participants. The complexity of our protocol is significantly better than the previous result O(m2 lµ) of [4], in which the oblivious transfer protocol is used as an important building block. .
Ju-Sung Kang, Dowon Hong
Added 15 Dec 2010
Updated 15 Dec 2010
Type Journal
Year 2007
Where JIPS
Authors Ju-Sung Kang, Dowon Hong
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