Key and lock device

A key and lock device comprises a key having a first electronic circuit and a lock having a second electronic circuit. The key and the lock store secret information, some of which is unique for each device. The key and the lock exchange a random number through connectors and perform a calculation in...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SCHOELL LANCE, BRENNECKE GUDRUN, KRUEHN JUERGEN, WARNSTROEM JOHAN, GUERTLER JENS, HAKKARAINEN REIJO, THOMAS J M, PEGUIRON NICOLAS, SIVONEN HANNU, LEFEBVRE ARNAUD, JAQUET CLAUDE-ERIC, VARENNE ALAIN, DARMANIN CHRISTIAN, LIDEN INGE, NORBERG ROLF, CHANEL CHRISTOPHE, ANDRE GILBERT, HAMMER WALTER, MAGNUSSON BJOERN
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDEDFOR ELSEWHERE CALCULATING CHECKING-DEVICES COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY FIXED CONSTRUCTIONS GENERATING RANDOM NUMBERS HANDCUFFS HANDLING RECORD CARRIERS KEYS LOCKS PERFORMING OPERATIONS PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS REGISTERING OR INDICATING THE WORKING OF MACHINES SAFES TIME OR ATTENDANCE REGISTERS TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR VOTING OR LOTTERY APPARATUS WINDOW OR DOOR FITTINGS
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Beschreibung
Zusammenfassung:	A key and lock device comprises a key having a first electronic circuit and a lock having a second electronic circuit. The key and the lock store secret information, some of which is unique for each device. The key and the lock exchange a random number through connectors and perform a calculation in the respective circuitry based on the random number and secret information. An electrical blocking mechanism is moved to a non-blocking position if a comparison of the calculations in the circuits gives the correct result.