Some computer science issues in ubiquitous computing
Communications of the ACM - Special issue on computer augmented environments: back to the real world
A tamper resistant hardware accelerator for RSA cryptographic applications
Journal of Systems Architecture: the EUROMICRO Journal
An FPGA-based Key-Store for Improving the Dependability of Security Services
WORDS '05 Proceedings of the 10th IEEE International Workshop on Object-Oriented Real-Time Dependable Systems
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This paper presents a multi-tier architecture, which combines a hardware-accelerated back-end and a Web Services based web tier to deliver high-performance, fully interoperable Public Key Infrastructure (PKI) and digital time stamping services to mobile devices. The paper describes the organization of the multi-tier architecture and provides a thorough description of individual components.