Publicly Verifiable Secret Redistribution for Threshold Secret Sharing Scheme
Tan Zuo · 2004
This paper presents a publicly verifiable secret redistribution model,and proposes a PVSR scheme.The scheme can redistribute secrets from a (t 1,n 1) to (t 2,n 2) access structure.New shareholders can generate valid new shares if they can verify both the validity of the old share and that of the sub-shares which the shareholders give the new shareholders.In the scheme,other new shareholders can determine the validity of the sub-shares of a new shareholder.