Cipher key setting system, access point, wireless LAN...

Details Cipher key setting system, access point, wireless LAN... Cipher key setting system, access point, wireless LAN...

2004-09-30

2010-06-22

Vu, Kimyen (Department: 2435)

Cryptography

Communication system using cryptography

Wireless communication

C380S273000

Reexamination Certificate

active

07742602

ABSTRACT:
The invention intends to achieve new additions of terminals that use a wireless LAN with a simple process, while preventing leakage of data indicating cipher keys. The access point is notified of the cipher systems adaptable to the terminals. The access point narrows the cipher systems adaptable to itself, sets the cipher keys and notifies them, and also determines the station IDs for the cipher keys each. Thereafter, when the access point modifies the cipher systems based on the security policy, the access point adopts the station IDs corresponding to the cipher systems each. Therefore, the terminals specify the cipher systems based on the station IDs, and perform wireless communications by using the cipher keys notified in advance.

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patent: 2007/0286425 (2007-12-01), Adachi et al.
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Communication dated Apr. 6, 2005 including European Search Report dated Feb. 18, 2005 (total 3 pages).
Japanese Notice of the reason for refusal, dated Apr. 6, 2010.
Takeyoshi Yamada “Nikkei Network” pp. 62-75, published on Nov. 2003.

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