Scrambling apparatus
Scrambling of analogue electrical signals
Scrambling of signals by inversion
Searching for patterns in encrypted data
Secret communication apparatus
Secret information service system and method
Secure access system utilizing an access card having more than o
Secure access systems and methods utilizing two access cards
Secure access systems utilizing more than one IC card
Secure authentication of images
Secure BIOS
Secure boot
Secure communication keying system
Secure computer
Secure conferencing system
Secure file archive through encryption key management
Secure file erasure
Secure file system
Secure memory management unit for microprocessor
Secure software rental system using distributed software