Authentication method between mobile node and home agent in a wireless communication system
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United States of America Patent
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Jun 20, 2006
Grant Date -
May 15, 2003
app pub date -
May 7, 2002
filing date -
Nov 7, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Disclosed is an authentication method between a mobile node (MN) and a home agent (HA) in a wireless communication system supporting packet communication. The wireless communication system includes the HA, a foreign agent (FA) connected to which the MN assigned a Mobile IP address, and first and second servers provided respectively to the HA and the FA for authentication. Upon receiving a Registration Request message from the MN, the FA generates an Access Request message and transmits the generated Access Request message to the first server through the second server. Upon receiving the Access Request message, the first server generates an authentication shared key with a preset number and transmits the generated authentication shared key to the FA through the second server. The FA authenticates the Registration Request message according to the authentication shared key and transmits the authenticated Registration Request message to the HA. The HA determines whether the preset number is included in the authenticated Registration Request message. The HA registers the MN when the preset number is included in the authenticated Registration Request message.
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