System, method and devices for authentication in a wireless local area network (WLAN)
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United States of America Patent
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Issued Date -
Jun 23, 2005
app pub date -
Dec 19, 2003
filing date -
Dec 19, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A system (100) for authentication in a wireless local area network (WLAN) includes a CDMA2000 authentication center (190) for authenticating CDMA2000 credentials (110), a WLAN authentication server (150) for using the CDMA2000 credentials to authenticate WLAN devices holding CDMA2000 credentials, and at least one WLAN device (130) holding CDMA2000 credentials. The WLAN server (150) performs a CDMA2000 global challenge and response (213) and a CDMA2000 unique challenge and response (223) with a WLAN device to obtain a CDMA2000 encryption key (233). The WLAN server (150) derives a master key from the CDMA2000 encryption key (234) and uses the master key to perform a WLAN challenge and response (237) with the WLAN device (130) and then derives session keys from the master key (240). The session keys protect communications between the WLAN access point (140) and the WLAN device (130).
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