Chip card loadable with compressed data
Cipher message assist instructions
Coincidence-free media key block for content protection for...
Communication apparatus, control method thereof and computer...
Computer network comprising network authentication...
Computer network security system employing portable storage...
Computer program copy management system
Computer system and process for accessing an encrypted and self-
Computer system, storage system and management computer for...
Computer-implemented system and method for managing data...
Computer-readable medium with microprocessor to control...
Configuring and managing resources on a multi-purpose...
Configuring and managing resources on a multi-purpose...
Content data transmission system and content data...
Content guard system for copy protection of recordable media
Content guard system for copy protection of recordable media
Content guard system for copy protection of recordable media
Content playback apparatus method and program and key...
Content protection and authentication without secret keys
Content protection in non-volatile storage devices