This paper points out the privacy issue in the OCSP (Online Certificate Status Protocol), namely, the OCSP responder learns confidential information – who sends a message to w...
Motivated by the study of algorithmic problems in the domain of information security, in this paper, we study the complexity of a new class of computations over a collection of va...
Emerging applications in electronic commerce often involve very low-cost transactions, which execute in the context of ongoing, extended clientserver relationships. For example, c...
Yossi Matias, Alain J. Mayer, Abraham Silberschatz
This paper proposes a hybrid architecture for distributed virtual environments, utilizing servers alongside peer-to-peer components. Current research into peer-based systems seeks...
As increasing amounts of valuable information are produced and persist digitally, the ability to determine the origin of data becomes important. In science, medicine, commerce, an...