AN IMPROVED TREE-BASED μTESLA BROADCAST AUTHENTICATION SYSTEM BASED ON XOR CHAIN AND THE METHOD THEREOF

PURPOSE: A system and method for authenticating a tree based sensor network using an XOR chain are provided to improve security by using hashed values for authentication. CONSTITUTION: A transmission node generates a first key chain parameter row, a second key chain parameter row, and authentication...

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Bibliographische Detailangaben
Hauptverfasser:	LEE, DONG HUI, JANG, JAE HUN, RYOU, JAE CHEOL, CHOI, HYUN WOO, JUNG, YOUNG GON, LEE, SANG RAE, YEUM, HEUNG YEOUL, YEO, DON GU
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	PURPOSE: A system and method for authenticating a tree based sensor network using an XOR chain are provided to improve security by using hashed values for authentication. CONSTITUTION: A transmission node generates a first key chain parameter row, a second key chain parameter row, and authentication information by receiving an initial key from a central server. A reception node receives the authentication information of the transmission node. The transmission node successively transmits a first parameter and a second parameter of the same row from the first and second key chain parameter rows with a message to the reception node. The reception node authenticates the message by comparing the authentication information with an XOR result by XOR-operating the first parameter and the second parameter.