Journal of University of Chinese Academy of Sciences >
Publicly Verifiable Secret Redistribution forThreshold Secret Sharing Scheme
Received date: 2003-04-07
Revised date: 2003-06-28
Online published: 2004-03-19
Supported by
supported by 973 Project(1998030600)
This paper presents a publicly verifiable secret redistribution model,and proposes a PVSRscheme.The scheme can redistribute secrets from a (t1, n1)to (t2,n2)access structure.New shareholderscan generate valid new shares if they can verify both the validity of the old share and that of the subshareswhich the shareholders give the new shareholders.In the scheme,other new shareholders can determinethe validity of the sub-shares of a new shareholder
Key words： VSS; PVSR; threshold; access structure
TAN Zuo-Wen , LIU Zhuo-Jun . Publicly Verifiable Secret Redistribution forThreshold Secret Sharing Scheme[J]. Journal of University of Chinese Academy of Sciences, 2004 , 21(2) : 210 -217 . DOI: 10.7523/j.issn.2095-6134.2004.2.010
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