System for detecting unaccounted for printing in a value printin

System for detecting unauthorized account access

System for displaying the subscription state of a pay broadcasti

System for distributing digital information

System for diversifying information in a network for distributin

System for encoding personalized identification for storage on m

System for encryption and identification

System for identifying authenticating and tracking manufactured

System for limiting use of down-loaded video-on-demand data

System for preventing fraudulent use of credit card

System for printing encrypted messages with bar-code representat

System for processing user access control data at a decoder

System for protecting documents or objects enclosed in a tamper-

System for reading encrypted information, and unit for use in su

System for reconstruction of a secret shared by a plurality of p

System for refunding payment for software

System for remote purchase payment and remote bill payment trans

System for securely exchanging data with smart cards

System for securely providing restricted video information

System for securely storing and reading encrypted data on a data