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
Electronic combination lock utilizing a one time use...
Electronic combination lock utilizing a one-time use combination
Electronic commerce using a secure courier system
Electronic cryptographic packing
Electronic data interchange postage evidencing system