Data encryption system and method
Data encryptor having a scalable clock
Data exchange system with a check of the apparatus for its authe
Data processing system comprising authentification means viz a v
Data processing terminal device which stores a modified decrypte
Data protection for computer systems
Data randomization equipment
Data security scheme for point-to-point communication sessions
Data transmission system
Data transmission systems
Data transmitter and receiver
Database usage metering and protection system and method
Decode access control for encoded multimedia signals
Decryptor
DES cipher processor for full duplex interleaving...
DES hardware throughput for short operations
Design principles of the shade cipher
Desinated-confirmer signature systems
Device and method for authenticating user's access rights to res
Device and method for data integrity and authentication