In this paper we construct a practical group blind signature scheme. Our scheme combines the already existing notions of blind signatures and group signatures. It is an extension o...
A Private Information Retrieval (PIR) protocol allows a database user, or client, to obtain information from a data- base in a manner that prevents the database from knowing which...
We propose a more efficient privacy preserving set intersection protocol which improves the previously known result by a factor of O(N) in both the computation and communication c...
The increasing popularity of distributed and collaborative applications prompts the need for secure communication in collaborative groups. Some distributed collaborative key manag...
Jiang Zhang, Jian-Guang Luo, Bin Li, Shiqiang Yang
In many applications, it is desired to dynamically establish temporary multicast groups for secure message delivery. It is also often the case that the group membership informatio...