Method and apparatus for securing media access control (MAC)...

Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...

Reexamination Certificate

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C370S328000, C370S313000, C713S150000, C713S171000, C713S162000, C713S170000, C713S168000, C713S190000, C455S410000, C455S411000, C455S422100, C455S403000, C455S500000, C455S517000, C380S247000, C380S277000, C380S278000, C380S255000, C380S264000, C380S270000

Reexamination Certificate

active

11242060

ABSTRACT:
An apparatus and method for securing media access control (MAC) addresses in a wireless local area network (LAN) environment are provided. In the method of securing MAC addresses, a cryptographically generated address (CGA) is generated using a predetermined cipher algorithm, a ciphered MAC address is extracted from the CGA, and communication is performed using the ciphered MAC address. Accordingly, it is possible to strengthen the security of MAC addresses.

REFERENCES:
patent: 2002/0152380 (2002-10-01), O'Shea et al.
patent: 2003/0142673 (2003-07-01), Patil et al.
patent: 2004/0029584 (2004-02-01), Le et al.
patent: 2005/0018686 (2005-01-01), Igarashi et al.
patent: 1075117 (2001-02-01), None
patent: 2003-298619 (2003-10-01), None
patent: 10-2004-0020518 (2004-03-01), None
patent: 10-2004-0056392 (2004-07-01), None
patent: 10-2004-0060365 (2004-07-01), None
Alberto Escudero Pascual, “Privacy Extensions for Stateless Address Autoconfiguration in IPV6-” Requirement for Unobservability, pp. 43-47.
IEEE 802.20 Working Group on Mobile Broadband Wireless Access <http://grouper.ieee.org/groups/802/20/>, “Adaption Interface for Seamless Handover between 802.20MBWA/802.11/802.15,” Nov. 5, 2003, pp. 1-5.

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