Key and lock device

A key and lock devices comprises a key (10) having a first electronic circuitry (14) and a lock (20) having a second electronic circuitry (24). 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 (15...

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Bibliographische Detailangaben
Hauptverfasser:	GURTLER JENS, BRENNECKE GUDRUN, HAKKARAINEN REIJO, PEGUIRON NICOLAS, SIVONEN HANNU, LEFEBVRE ARNAUD, JAQUET CLAUDE-ERIC, SCHOELL LANCE G, WARNSTROM JOHAN, VARENNE ALAIN, DARMANIN CHRISTIAN, LIDEN INGE, MAGNUSSON BJORN, NORBERG ROLF, CHANEL CHRISTOPHE, THOMAS J. M, KRUHN JURGEN, ANDRE GILBERT, HAMMER WALTER
Format:	Patent
Sprache:	eng ; slo
Schlagworte:	ACCESSORIES THEREFOR ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDEDFOR ELSEWHERE CHECKING-DEVICES ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY FIXED CONSTRUCTIONS GENERATING RANDOM NUMBERS HANDCUFFS KEYS LOCKS PHYSICS REGISTERING OR INDICATING THE WORKING OF MACHINES SAFES TIME OR ATTENDANCE REGISTERS TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION VOTING OR LOTTERY APPARATUS WINDOW OR DOOR FITTINGS
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Beschreibung
Zusammenfassung:	A key and lock devices comprises a key (10) having a first electronic circuitry (14) and a lock (20) having a second electronic circuitry (24). 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 (15, 25) and perform a calculation in the respective circuitry based on the random number and secret information. An electrical blocking mechanism (40) is moved to a non-blocking position if a comparison of the calculations in the circuits give an expected result. Kľúčové a uzamykacie zariadenie zahrnuje kľúč (10) s prvým elektronickým obvodom (14) a zámku (20) s druhým elektronickým obvodom (24). Kľúč a zámka si zapamätávajú tajnú informáciu, časť ktorej je jedinečná pre každé zariadenie. Kľúč a zámka si vymieňajú náhodné číslo cez konektory (15, 25) a vykonávajú výpočet v príslušnom obvode na základe náhodného čísla a tajnej informácie. Elektrický blokovací mechanizmus (40) sa privedie do neblokujúcej polohy, ak porovnanie výpočtov v obvodoch poskytne očakávaný výsledok.