We propose a privacy-preserving protocol for computing aggregation queries over the join of private tables. In this problem, several parties wish to share aggregated information ov...
Abstract. We introduce a novel conditional e-cash protocol allowing future anonymous cashing of bank-issued e-money only upon the satisfaction of an agreed-upon public condition. P...
We propose an economic approach to Sybil attack detection. In our Informant protocol, a detective offers a reward for Sybils to reveal themselves. The detective accepts from one i...
Mesh network is vulnerable to privacy attacks because of the open medium property of wireless channel, the fixed topology, and the limited network size. Traditional anonymous rou...
Directories have become an important component of the enterprise security and identity management middleware. This paper describes a novel filter based replication model for Light...