The fast development of the Web provides new ways for effective distribution of network-based digital goods. A digital marketplace provides a platform to enable Web users to effec...
In this paper, we are going to show how to build up agentoriented Public Key Infrastructure(PKI) from SPKI/SDSI and X.509 standards. A variety of delegation mechanisms for agents ...
This paper presents a new model for controlling information flow in systems with mutual distrust and decentralized authority. The model allows users to share information with dis...
We propose a new architecture for a content protection system that conceals confidential data and algorithms in an FPGA as electrical circuits. This architecture is designed for a...
—Handheld devices have become sufficiently powerful that it is easy to create, disseminate, and access digital content (e.g., photos, videos) using them. The volume of such cont...