CRYPTOLOGY CALCULATION FOR LAST USED AUTHENTICATION DEVICE
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United States of America Patent
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Issued Date -
May 8, 2008
app pub date -
Oct 31, 2007
filing date -
Nov 3, 2006
priority date (Note) -
Abandoned
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Abstract
A passive start and entry system includes a controller that determines the desired encryption for a last authenticated identification device during the period in which responses are received from any proximate identification devices. This process allows for the transmission of encrypted data to the last authenticated device without delay upon the expiration of the wait period.
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