Communication system based on shared cipher key, server unit for
Communications apparatus for scrambling data and synchronizing a
Compact crypto-engine for random number and stream cipher...
Compression coding device with scrambling function and expansion
Computer controlled audio-visual system
Computer data encryption system
Computer having resume function
Computer keyboard that changes from normal mode to secure mode b
Computer network capable of accessing file remotely between comp
Computer network encryption/decryption device
Computer network encryption/decryption device
Computer network encryption/decryption device
Computer network operating with multilevel hierarchical security
Computer security key
Computer software distribution, installation and maintenance met
Computer software licensing authentication method and apparatus
Computer software protection, by optical effects
Computer system including a transparent and secure file transfor
Computer system security via dynamic encryption
Computer system security via dynamic encryption