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A Survey and Refinement of Repairable Threshold Schemes
threshold schemes repairability combinatorial designs
2017/11/29
We consider repairable threshold schemes (RTSs), which are threshold schemes that enable a player to securely reconstruct a lost share with help from their peers. We summarise and, where possible, ref...
In this paper, we consider methods whereby a subset of players in a (k,n)(k,n)-threshold scheme can ``repair'' another player's share in the event that their share has been lost or corrupted. This wil...
Optimal Updating of Ideal Threshold Schemes
Cryptology threshold schemes dynamic secret sharing
2009/3/27
We consider the problem of changing the parameters of an established ideal
(k, n)-threshold scheme without the use of secure channels. We identify the parameters
(k0, n0) to which such a scheme can ...