Circuit and method of encrypting key validation
Circuit and system for modulo exponentiation arithmetic and arit
Circuit for generating hash values
Circuits for calculating modular multiplicative inverse
Client/server based secure timekeeping system
Client/server based secure timekeeping system
Code protection using cryptography
Coding formula for verifying checks and credit cards
Coding system for a data signal
Coding system for descrambling video
Collection of value from stored value systems
Color image processing apparatus and method
Combination pin pad and terminal
Command authentication process
Commercial data masking
Commercial online backup service that provides transparent exten
Common cryptographic key verification in a transaction network
Communication device which performs two-way encryption authentic
Communication device, communication system, and algorithm...
Communication method and apparatus for carrying out cipher commu