Key distribution control apparatus, radio base station...

Details Key distribution control apparatus, radio base station... Key distribution control apparatus, radio base station...

2011-03-15

2011-03-15

Song, Hosuk (Department: 2435)

Cryptography

Key management

C380S278000, C380S044000

Reexamination Certificate

active

07907734

ABSTRACT:
A key distribution control apparatus, a radio base station apparatus and a communication system for improving security. A communication system (10) comprises an Access controller (100), which serves as a key distribution control apparatus, a wireless LAN base station apparatus (200) and a communication terminal (300). The Access controller (100) performs an authentication of the communication terminal (300), and the wireless LAN base station apparatus (200) performs a decryption process in the communication with the communication terminal (300). A standard of 802.11ior WPA, which is specified on the precondition that the same device performs the authentication and the decryption process, is applied to the communication system (10). In this way, a wireless communication system that improves the security can be realized. Moreover, the security can be also improved with respect to the Access controller (100), which serves as the key distribution control apparatus, and the wireless LAN base station apparatus (200) both included in this wireless communication system.

REFERENCES:
patent: 2005/0152305 (2005-07-01), Ji et al.
patent: 2006/0101273 (2006-05-01), Tan et al.
patent: 2002124952 (2002-04-01), None
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PCT International Search Report dated May 23, 2006.
IEEE Std 802.11i, IEEE Standard for Information technology—Telecommunications and information exchange between systems—Local and metropolitan area networks—Specific requirements, Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications, Jul. 2004, pp. 1-175.
P. Calhoun,et al.; “Light Weight Access Point Protocol (LWAPP),” draft-ohara-capwap-lwapp-00, Nov. 6, 2004, pp. 1-67.

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