Digital data cryptographic system
Digital data shuffling/de-shuffling system
Digital document authentication system
Digital radio transceiver with encrypted key storage
Digital recording system with time-bracketed authentication by o
Digital signal processing
Digital signal receiver capable of receiving data encrypted and
Digital signature algorithm
Digital signature and authentication method and apparatus
Digital signature device
Digital signature method and key agreement method
Digital signature protocol with reduced bandwidth
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