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)
谭作文 , 刘卓军 . 公开可验证的秘密重新分配门限方案(英文)[J]. 中国科学院大学学报, 2004 , 21(2) : 210 -217 . DOI: 10.7523/j.issn.2095-6134.2004.2.010
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
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