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| Patent ID | Title | Date Filed |
| 7162037 | Method for generating/regenerating an encryption key for a cryptographic method
| July 6, 2000 |
| 7162032 | Encryption of programs represented as polynomial mappings and their computations
| December 18, 2000 |
| 7158641 | Recorder
| November 29, 2000 |
| 7158639 | Key generation
| November 5, 2004 |
| 7152693 | Password security utility
| May 30, 2003 |
| 7149308 | Cryptographic communications using in situ generated cryptographic keys for conditional access
| November 13, 2000 |
| 7143440 | User authentication system and method
| October 13, 2004 |
| 7142674 | Method of confirming a secure key exchange
| June 18, 2002 |
| 7142668 | Apparatus and method for generating expression data for finite field operation
| February 14, 2000 |
| 7139407 | Image generation apparatus, image file generation method, image verification apparatus and image verification method
| December 12, 2002 |
| 7133526 | System and method for providing WLAN security through synchronized update and rotation of WEP keys
| November 15, 2005 |
| 7133524 | Key installation system, LSI for implementing the same, and key installation method
| September 19, 2002 |
| 7131004 | Method and apparatus for encrypting data transmitted over a serial link
| August 31, 2001 |
| 7130425 | Method and apparatus for providing a bus-encrypted copy protection key to an unsecured bus
| July 6, 2005 |
| 7130423 | Threshold encoding of frame buffers
| May 31, 2002 |
| 7127063 | Method and apparatus for computing a shared secret key
| January 29, 2002 |
| 7120798 | System and method for the generation and verification of signatures associated with hardcopy documents
| August 25, 2003 |
| 7120797 | Methods for authenticating potential members invited to join a group
| April 24, 2002 |
| 7120696 | Cryptographic communications using pseudo-randomly generated cryptography keys
| May 19, 2000 |
| 7120249 | Methods and systems for generating encryption keys using random bit generators
| June 17, 2005 |
| 7120248 | Multiple prime number generation using a parallel prime number search algorithm
| March 26, 2001 |
| 7114082 | Data security for digital data storage
| October 12, 2004 |
| 7114073 | Digital contents generating apparatus and digital contents reproducing apparatus
| September 21, 2001 |
| 7114047 | Data storage medium with certification data
| September 25, 2003 |
| 7113595 | Generation of a random number that is non-divisible by a set of prime numbers
| August 9, 2002 |
| 7111169 | Method and apparatus for content protection across a source-to-destination interface
| September 22, 2001 |
| 7110540 | Multi-pass hierarchical pattern matching
| April 25, 2002 |
| 7103181 | State-varying hybrid stream cipher
| July 13, 2001 |
| 7096356 | Method and apparatus for negotiating Diffie-Hellman keys among multiple parties using a distributed recursion approach
| June 27, 2001 |
| 7096352 | Security protocol structure in application layer
| January 2, 2001 |
| 7095858 | System and method for securely upgrading firmware
| October 25, 2001 |
| 7095852 | Cryptographic key split binder for use with tagged data elements
| November 20, 2001 |
| 7095851 | Voice and data encryption method using a cryptographic key split combiner
| March 10, 2000 |
| 7095850 | Encryption method and apparatus with forward secrecy and random-access key updating method
| October 17, 2001 |
| 7093134 | Method and apparatus for signing and sealing objects
| June 28, 2000 |
| 7089417 | Cryptographic information and flow control
| November 18, 2003 |
| 7085378 | Countermeasure method in an electronic component using a secret key cryptographic algorithm
| September 15, 1999 |
| 7085376 | Method and system for securely exchanging encryption key determination information
| February 14, 2001 |
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