CAFE Project : final report
[MAS E-0302] This is the final public report of the CAFE project (ESPRIT 7023). CAFE developed a secure conditional access architecture and implemented a multi-currency electronic purse system based on smart cards and infrared wallets. The electronic purse was tested in user trials at the European Commission premises in Brussels. Part~I of the report covers background surveys, a simplified functional description of the system, and the operation and results of the user trials. Part II describes in detail the security architecture and the technical protocols developed by the project.