Cipher strength estimating device
Cipher system with closed cipher procedure
Cipher-key distribution system
Ciphertext switching for syntax compliant encryption
Circuit and method for fast modular multiplication
Circuit and method for generating cryptographic keys
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