Challenge and response based authentication of a node in an electronic communications system using features intrinsic to the node

Challenge and response based authentication of a node in an electronic communications system using features intrinsic to the node

A first copy of an intrinsic ID of a first node may be stored on a second node. The first node may receive a challenge that causes it to generate a second copy of its intrinsic ID. The second copy and a random value may be used as inputs of a function to generate a first code. The first code is tran...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Sami Rosenblatt, Toshiaki Kirihata, Srivatsan Chellappa
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:A first copy of an intrinsic ID of a first node may be stored on a second node. The first node may receive a challenge that causes it to generate a second copy of its intrinsic ID. The second copy and a random value may be used as inputs of a function to generate a first code. The first code is transmitted to the second node. The second node decodes the first code using its local copies of the random value and/or the intrinsic ID. The second node checks the decoded information against its local information and authenticates the first node if there is a match.