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Improved Bounds on the Threshold Gap in Ramp Secret Sharing
Secret Sharing asymptotic setting
2018/1/30
Furthermore, we also provide bounds, in terms of nn and qq, on the partial reconstruction and privacy thresholds, a more fine-grained notion that considers the amount of information about the secret t...
rPIR: Ramp Secret Sharing based Communication Efficient Private Information Retrieval
Private Information Retrieval Secret Sharing
2016/1/26
Even as data and analytics driven applications are becoming increasingly popular, retrieving data from
shared databases poses a threat to the privacy of their users. For example, investors/patients r...
Coding Theoretic Construction of Quantum Ramp Secret Sharing
quantum cryptography secret sharing
2016/1/23
We show a construction of a quantum ramp secret sharing scheme from a nested pair of linear codes. Necessary and sufficient conditions for qualified sets and forbidden sets are given in terms of com...
Strong Security of the Strongly Multiplicative Ramp Secret Sharing based on Algebraic Curves
ramp secret sharing multiplicative secret sharing strong security
2015/12/29
We introduce a coding theoretic criterion for Yamamoto's strong security of the ramp secret sharing scheme. After that, by using it, we show the strong security of the strongly multiplicative ramp sec...