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Class Information
Number: 380/273
Name: Cryptography > Communication system using cryptography > Wireless communication > Rekeying system
Description: Subject matter wherein a key previously used for communication is replaced.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7624271 |
Communications security |
Nov. 24, 2009 |
| 7609837 |
System and method for automatic setup of a network device with secure network transmission of setup parameters |
Oct. 27, 2009 |
| 7603697 |
Method and system for securely delivering authentication-related data |
Oct. 13, 2009 |
| 7596223 |
User control of a secure wireless computer network |
Sep. 29, 2009 |
| 7596225 |
Method for refreshing a pairwise master key |
Sep. 29, 2009 |
| 7548620 |
Token provisioning |
Jun. 16, 2009 |
| 7539866 |
Method of cryptographing wireless data and apparatus using the method |
May. 26, 2009 |
| 7536014 |
Apparatus and method for generating scrambling code in UMTS mobile communication system |
May. 19, 2009 |
| 7526092 |
Rekey operation with multiplexing capability |
Apr. 28, 2009 |
| 7526091 |
Method for transmitting and receiving control information for encryption in a mobile communication system supporting multimedia broadcast/multicast service |
Apr. 28, 2009 |
| 7522727 |
Method and apparatus for providing authentication in a communication system |
Apr. 21, 2009 |
| 7519184 |
Wireless communication system |
Apr. 14, 2009 |
| 7502932 |
Return routability method for secure communication |
Mar. 10, 2009 |
| 7477913 |
Determining a target transmit power of a wireless transmission according to security requirements |
Jan. 13, 2009 |
| 7477746 |
Apparatus for dynamically managing group transient key in wireless local area network system and method thereof |
Jan. 13, 2009 |
| 7450722 |
Subset difference method for multi-cast rekeying |
Nov. 11, 2008 |
| 7451307 |
Communication apparatus, communication system, communication apparatus control method and implementation program thereof |
Nov. 11, 2008 |
| 7444514 |
Group key exchanges with failures |
Oct. 28, 2008 |
| 7421083 |
System for seamlessly updating service keys with automatic recovery |
Sep. 2, 2008 |
| 7400733 |
Key refresh at the MAC layer |
Jul. 15, 2008 |
| 7392450 |
Method and apparatus of compensating for signal receiving error at receiver in packet-based communication system |
Jun. 24, 2008 |
| 7380124 |
Security transmission protocol for a mobility IP network |
May. 27, 2008 |
| 7362867 |
Apparatus and method for generating scrambling code in UMTS mobile communication system |
Apr. 22, 2008 |
| 7350069 |
System and method which employs a multi user secure scheme utilizing shared keys |
Mar. 25, 2008 |
| 7308104 |
Forward multiple scrambling code generating method and apparatus |
Dec. 11, 2007 |
| 7308575 |
Data scrambling system for a shared transmission media |
Dec. 11, 2007 |
| 7302252 |
Authentication systems, wireless communication terminals, and wireless base stations |
Nov. 27, 2007 |
| 7298850 |
Encrypting keypad module |
Nov. 20, 2007 |
| 7277548 |
Cryptographic method and computer program product for use in wireless local area networks |
Oct. 2, 2007 |
| 7266197 |
Method, system, device for proving the authenticity of an entity and/or the integrity and/or the authenticity of a message using specific prime factors |
Sep. 4, 2007 |
| 7248691 |
Hashing using multiple sub-hashes |
Jul. 24, 2007 |
| 7212638 |
Wireless cryptographic fill system and method |
May. 1, 2007 |
| 7200234 |
Fingerprint, control signal for new encryption key |
Apr. 3, 2007 |
| 7177426 |
Electronic file protection using location |
Feb. 13, 2007 |
| 7155607 |
Method for authentication between apparatuses using challenge and response system |
Dec. 26, 2006 |
| 7140040 |
Protecting wireless local area networks from intrusion by eavesdropping on the eavesdroppers and dynamically reconfiguring encryption upon detection of intrusion |
Nov. 21, 2006 |
| 7123719 |
Method and apparatus for providing authentication in a communication system |
Oct. 17, 2006 |
| 7092527 |
Method, system and program product for managing a size of a key management block during content distribution |
Aug. 15, 2006 |
| 7085382 |
Communication device, communication device set, authentication method and method of wireless-connecting terminals |
Aug. 1, 2006 |
| 7082200 |
Establishing secure peer networking in trust webs on open networks using shared secret device key |
Jul. 25, 2006 |
| 7079655 |
Encryption algorithm management system |
Jul. 18, 2006 |
| 7076064 |
Maintaining end-to-end synchronization on telecommunications connection |
Jul. 11, 2006 |
| 7065643 |
Network compromise recovery methods and apparatus |
Jun. 20, 2006 |
| 7065340 |
Arranging authentication and ciphering in mobile communication system |
Jun. 20, 2006 |
| 7047405 |
Method and apparatus for providing secure processing and data storage for a wireless communication device |
May. 16, 2006 |
| 7035412 |
WLAN error control |
Apr. 25, 2006 |
| 7024553 |
System and method for updating encryption key for wireless LAN |
Apr. 4, 2006 |
| 7020502 |
Transmitter for remote control system |
Mar. 28, 2006 |
| 6980795 |
Wireless network with a cipher key change procedure |
Dec. 27, 2005 |
| 6981146 |
Method of communications and communication network intrusion protection methods and intrusion attempt detection system |
Dec. 27, 2005 |
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