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Your search returned 240 patents.
( 380/262 in Current US Classification ) |
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| 1 2 3 |
| Patent ID | Title | Date Filed |
| 6640303 | System and method for encryption using transparent keys
| September 22, 2000 |
| 6615353 | User authentication method and user authentication system
| July 17, 1998 |
| 6608901 | Cryptographic key split combiner
| July 31, 2001 |
| 6606386 | Cryptographic key split combiner
| July 31, 2001 |
| 6594362 | Radio data transmission apparatus
| May 29, 1998 |
| 6587562 | Synchronous stream cipher
| June 22, 1999 |
| 6560338 | Limiting delays associated with the generation of encryption stream ciphers
| February 8, 1999 |
| 6560337 | Systems, methods and computer program products for reducing effective key length of ciphers using one-way cryptographic functions and an initial key
| October 28, 1998 |
| 6549623 | Cryptographic key split combiner
| February 4, 2002 |
| 6542610 | Content protection for digital transmission systems
| August 11, 1997 |
| 6542608 | Cryptographic key split combiner
| July 31, 2001 |
| 6512829 | Key distribution method and system in secure broadcast communication
| March 7, 2000 |
| 6507874 | System for efficient routing and translation of data
| June 30, 1998 |
| 6501841 | Method for providing security for a transmission of information through a plurality of frequency orthogonal subchannels
| December 17, 1998 |
| 6460137 | Encryption processing system
| March 19, 1996 |
| 6445797 | Method and system for performing secure electronic digital streaming
| December 16, 1998 |
| 6401207 | Security device for vehicle
| September 18, 1998 |
| 6385318 | Encrypting method, deciphering method and certifying method
| April 17, 1997 |
| 6377689 | Key transmission system
| July 10, 2000 |
| 6373951 | Synchronization technique and method and apparatus for transmitting and receiving coded signals
| February 26, 1997 |
| 6370248 | Synchronizing autonomous chaotic systems using filters
| July 31, 1998 |
| 6367010 | Method for generating secure symmetric encryption and decryption
| July 2, 1999 |
| 6363478 | Security mechanisms in a web server
| September 17, 1998 |
| 6337911 | Deferred billing, broadcast, electronic document distribution system and method
| March 9, 1998 |
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