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Professor Willy Susilo

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Membership Encryption And Its Applications, Fuchun Guo, Yi Mu, Willy Susilo, Vijay Varadharajan Mar 2014

Membership Encryption And Its Applications, Fuchun Guo, Yi Mu, Willy Susilo, Vijay Varadharajan

Professor Willy Susilo

We propose a new encryption primitive called Membership Encryption. Let P(G) be a privacy-preserving token on a group attribute/identity G, such that given P(G) it is hard to know the attributes in G. In this membership encryption, if an encryption takes as input an attribute A and the token P(G) , the decryption requires holding the membership A ∈ G, i.e., A belongs to this group attribute. Membership encryption is applicable in constructing membership proof A∈P(G) with privacy preserving on group attribute and the membership. Membership encryption can be also utilized to construct an efficient ...