Digital signature purpose encoding
Digital signature system and method based on a conventional encr
Digital signature with auditing bits
Digital signatures on a smartcard
Digitally certifying a user identity and a computer system in co
Distributed cryptographic object method
Distributed cryptographic object method
Distributed data processing network
Distributed fingerprints for information integrity verification
Distributed information system having automatic invocation of ke
Distributed registration and key distribution system and method
Distributed security procedure for intelligent networks
Docking method for establishing secure wireless connection betwe
Document authentication apparatus
Document authentication apparatus
Document authentication method
Document copy authentication
Document security system
Domain-based encryption
Dual key reflexive encryption security system