| Patent No. | Patent Title: |
| 6640303 | System and method for encryption using transparent keys |
| 6587948 | Recording apparatus, recording medium, playback apparatus, record... |
| 6542610 | Content protection for digital transmission systems |
| 6526146 | Information recording system |
| 6523116 | Secure personal information card database system |
| 6519700 | Self-protecting documents |
| 6490685 | Storage device having testing function and memory testing method |
| 6477251 | Apparatus and method for securely determining an outcome from mul... |
| 6438230 | Data mapping method and apparatus with multi-party capability |
| 6425084 | Notebook security system using infrared key |
| 6411715 | Methods and apparatus for verifying the cryptographic security of... |
| 6411714 | Data decompression/decryption method and system |
| 6408389 | System for supporting secured log-in of multiple users into a plu... |
| 6401205 | Infrared type security system for a computer |
| 6401203 | Method for automatic handling of certificate and key-based proces... |
| 6396928 | Digital message encryption and authentication |
| 6381698 | System and method for providing assurance to a host that a piece ... |
| 6381699 | Leak-resistant cryptographic method and apparatus |
| 6370247 | Hash value generating method and device, data encryption method a... |
| 6370248 | Synchronizing autonomous chaotic systems using filters |
| 6367010 | Method for generating secure symmetric encryption and decryption |
| 6363478 | Security mechanisms in a web server |
| 6357007 | System for detecting tamper events and capturing the time of thei... |
| 6353890 | Method for copy protecting a record carrier, copy protected recor... |
| 6345100 | Robust watermark method and apparatus for digital signals |
| 6339828 | System for supporting secured log-in of multiple users into a plu... |
| 6330335 | Audio steganography |
| 6330673 | Determination of a best offset to detect an embedded pattern |
| 6320965 | Secure watermark method and apparatus for digital signals |
| 6317833 | Practical mix-based election scheme |
| 6317831 | Method and apparatus for establishing a secure connection over a ... |
| 6304658 | Leak-resistant cryptographic method and apparatus |
| 6298442 | Secure modular exponentiation with leak minimization for smartcar... |
| 6298137 | Ring-based public key cryptosystem method |
| 6289455 | Method and apparatus for preventing piracy of digital content |
| 6282650 | Secure public digital watermark |
| 6282651 | Security system protecting data with an encryption key |
| 6278783 | Des and other cryptographic, processes with leak minimization for... |
| 6269446 | Authenticating images from digital cameras |
| 6266420 | Method and apparatus for secure group communications |