Location-independent information object security

Users are mobile and use multiple platforms with differing applications over time. These users have no security service applications which are independent of location or computing environment. The IOS project has developed syntax and applications which provide these services. The IOS Tools allow one or more users to apply security services to documents. The project has also investigated third-party security services and has developed an Electronic Signature Timestamp Server (ESTS) which provides the services of document registration (timestamping), validation, and non-repudiation.<>