Abuse-resistant object distribution system and method
Access control
Access control apparatus and method
Access control for sensitive functions
Access control in a distributed computer system
Access control subsystem and method for distributed computer sys
Access control subsystem and method for distributed computer sys
Access control system for transmitting data from a central stati
Adaptive decoding system for processing encrypted and non-encryp
Adaptive multi-step digital signature system and method of opera
Addressable subscription television system having multiple scram
Addressed messaging in a cable television system
Adjunct processor for providing computer facility access protect
AGC in sound channel of system for processing a scrambled video
Algorithm independent cryptographic key management
Algorithm independent cryptographic key management apparatus
Anonymous credit card transactions
Anti-fraud verification system using a data card
Anti-fraud voter registration and voting system using a data car
Anti-piracy system for wireless telephony