Computer data security device and method
Computer file backup encryption system and method
Computer file protection system
Computer file protection system
Computer for the control station of a machine, more particularly
Computer having resume function
Computer implemented secret object key block cipher...
Computer key and computer lock system
Computer keyboard that changes from normal mode to secure mode b
Computer network capable of accessing file remotely between comp
Computer network cryptographic key distribution system
Computer network encryption/decryption device
Computer network encryption/decryption device
Computer network encryption/decryption device
Computer network operating with multilevel hierarchical security
Computer network protection using cryptographic sealing software
Computer network security system and method
Computer network with modified host-to-host encryption keys
Computer readable device implementing a software-efficient pseud
Computer readable medium having a private key encryption...