5 papers · 1 filter
Weakly Secure Summation with Colluding Users
Zhou Li, Yizhou Zhao, Hua Sun
In secure summation, users, each holds an input, wish to compute the sum of the inputs at a server without revealing any information about {\em all the inputs} even if the serv…
On Extremal Rates of Storage over Graphs
Zhou Li, Hua Sun
A storage code over a graph maps independent source symbols, each of bits, to coded symbols, each of bits, such that each coded symbol is stored in a node of th…
On Extremal Rates of Secure Storage over Graphs
Zhou Li, Hua Sun
A secure storage code maps source symbols, each of bits, to coded symbols, each of bits, such that each coded symbol is stored in a node of a graph. Each edge o…
On the Linear Capacity of Conditional Disclosure of Secrets
Zhou Li, Hua Sun
Conditional disclosure of secrets (CDS) is the problem of disclosing as efficiently as possible, one secret from Alice and Bob to Carol if and only if the inputs at Alice and Bob s…
Conditional Disclosure of Secrets: A Noise and Signal Alignment Approach
Zhou Li, Hua Sun
In the conditional disclosure of secrets (CDS) problem, Alice and Bob (each holds an input and a common secret) wish to disclose, as efficiently as possible, the secret to Carol if…