Method and apparatus to detect watermark that are resistant...
Method and apparatus to reduce effects of certain copy protectio
Method and circuit arrangement for the acceptance and forwarding
Method and device for effective key length control
Method and device for encrypting a message
Method and device for performing a cryptographic operation
Method and device for scrambling-unscrambling digital image data
Method and device for secure transmission and of television pict
Method and device for the utilization of electrical signals
Method and device for the utilization of electrical signals
Method and network for communicating between a group of entities
Method and structure for securing access to a computer system
Method and system for a synchronized pseudo-random privacy modem
Method and system for adding a secure network server to an exist
Method and system for anti-piracy using frame rate dithering
Method and system for asymmetric key security
Method and system for communication access restriction
Method and system for controlling access to objects in a data pr
Method and system for encryption and authentication
Method and system for enhancing cryptography-based security