Secure neighbor discovery (SEND) using pre-shared key
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United States of America Patent
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Oct 24, 2017
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app pub date -
Jan 3, 2017
filing date -
Dec 31, 2014
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Abstract
An extension is provided to the SEND protocol without requiring a CGA or third party trust anchor. A shared key is provided to both a sender and receiver of a neighbor discovery (ND) message. A digital signature option is contained in the ND message. A digital signature field is determined by the algorithm field in the option. When the ND message is received, the receiver may verify the digital signature field using the pre-shared key according to the algorithm field. If the ND message passes verification, the receiver may process the message.
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