ID-BASED CONTROL UNIT-KEY FOB PAIRING
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United States of America Patent
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Issued Date -
Mar 28, 2024
app pub date -
Dec 8, 2023
filing date -
Jul 17, 2012
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Abstract
A method for pairing a key fob with a control unit is provided. The key fob executes an ID authenticated key agreement protocol with a pairing device based on a key fob identification to authenticate one another and to generate a first encryption key. The pairing device encrypts a control unit identification using the first encryption key. The key fob receives the encrypted control unit identification transmitted from the pairing device. The key fob then executes an ID authenticated key agreement protocol with the control unit based on the control unit identification to authenticate one another and to generate a second encryption key. The key fob then receives an operational key transmitted from the control unit that is encrypted with the second encryption key.
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