METHOD AND APPARATUS FOR GENERATING SESSION KEYS
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United States of America Patent
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N/A
Issued Date -
Oct 26, 2006
app pub date -
Feb 9, 2006
filing date -
Apr 26, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Nonce exchange with a target BS is performed even when the MS connected to the source BS so when the mobile reaches the new BS, it will be able to create a fresh key quickly. Alternatively, the MS can provide the nonce directly to the target base station immediately (or very soon) upon handing over. In a similar manner, the mobile will receive the target BS nonce via one of several techniques. In a first embodiment of the present invention the target BS will share the BS nonce with the source BS which will provide the nonce to the MS. In a second embodiment of the present invention the target base station will transmit the nonce over-the-air to the MS as part to the initial exchanges leading to the set up of the wireless link between the MS and the target BS.
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