Unpredictable blind signature systems
Untraceable electronic cash
Upstream signal control apparatus in bidirectional CATV system
Usage control system for computer software
Use of an encryption server for encrypting messages
Use of bilinear mappings in cryptographic applications
Use of duplex cipher algorithms for satellite channels with dela
Use of graphics processors as parallel math co-processors...
Use of marker packets for synchronization of encryption/decrypti
User apparatus and program
User authenticating system and method in wide area distributed e
User authentication method and apparatus
User defined function facility
User equipment identification specific scrambling
User identification and authentication system using ultra long i
User interface technique for selection and activation of...
User interface technique for selection and activation of...
User key management method for broadcast encryption (BE)
User presence verification with single password across applicati
User-addressing method and receiver in an authorized access tele