Data access verification system

Data acquisition device

Data authentication using modification detection codes based on

Data carrier-controlled terminal in a data exchange system

Data communication method and apparatus using neural-networks

Data communication system

Data communication system and method with data scrambling

Data communication systems and methods

Data communications equipment security device using calling part

Data copyright management system

Data coypright management method

Data cryptography operations using control vectors

Data enclave and trusted path system

Data enclave and trusted path system

Data encripting transfer

Data encrypted touchscreen

Data encryption control system

Data encryption system and method

Data encryptor having a scalable clock

Data exchange system with a check of the apparatus for its authe