Dynamic classes of service for an international cryptography fra
Dynamic encryption key selection for encrypted radio transmissio
Dynamic radio communications system
Dynamic relocation of the service data channel
Dynamic substitution combiner and extractor
Efficient digital signature algorithm and use thereof technical
Efficient electronic money
Efficient elliptic-curve cryptography based on primality of...
Efficient implementation of MD5 message-digest algorithm...
Efficient method for encrypting superblocks of data
Efficient method for multiplication over galois fields
Efficient modular reduction and modular multiplication
Efficient signature scheme based on birational permutations
Efficient universal hashing method
Electronic authentication system
Electronic bolt lock with enhanced security features
Electronic cash implementing method using a trustee
Electronic cash system
Electronic cashless transaction system
Electronic cashless transaction system