Call set-up from a mobile radio telephone terminal with...
Cellular telephone device having authenticating capability
Centralized authentication system
Centralized detector of dynamic, robust, embedded-signals
Certificate confirmation method, certificate confirmation...
Certificate registration after issuance for secure...
Certificate validity authentication method and apparatus
Certificate validity authentication method and apparatus
Certificate-based encryption and public key infrastructure
Certificate-based encryption and public key infrastructure
Certification of multiple keys with new base and...
Chain of custody system and method
Challenge response-based device authentication system and...
Challenge response-based device authentication system and...
Chameleon hashing and signatures
Cheap signatures for synchronous broadcast communication
Check anti-fraud security system
Circuit and method for providing secure communications...
Client authentication by server not known at request time
Client/server protocol for proving authenticity