In the paper we present an overview of Saga Security System, a security architecture in open distributed systems. An agent in Saga Security System is called a Saga Agent. The auth...
In this paper, we study methods for improving the utility and privacy of reputation scores for online auctions, such as used in eBay, so as to reduce the effectiveness of feedbac...
Even more than in our physical world, in our digital world we need systems that meet the security objective of service providers and users in equal measure. This paper investigates...
The proliferation of mobile devices has given rise to novel user-centric applications and services. In current mobile systems, users gain access to remote servers over mobile netwo...
Enhanced Pretty Good Privacy (EPGP) is a new cryptosystem based on Pretty Good Privacy (PGP), used for the purpose of secure e-mail message communication over an open network. The...