Network device and network system
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United States of America Patent
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Aug 23, 2016
Grant Date -
Jun 18, 2015
app pub date -
Dec 8, 2014
filing date -
Dec 12, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A network device connected via a bus with a plurality of network devices includes: an authentication unit that executes authentication based upon message authentication information included in data transmitted, via the bus, by one of the plurality of network devices acting as a sender device; and a processing unit that invalidates the data upon determining that unauthorized data have been transmitted by the sender device impersonating another network device among the plurality of network devices if the authentication fails.
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