EP0155378B1 - Procédé de codage pour une clé électronique - Google Patents

Procédé de codage pour une clé électronique Download PDF

Info

Publication number
EP0155378B1
EP0155378B1 EP84115152A EP84115152A EP0155378B1 EP 0155378 B1 EP0155378 B1 EP 0155378B1 EP 84115152 A EP84115152 A EP 84115152A EP 84115152 A EP84115152 A EP 84115152A EP 0155378 B1 EP0155378 B1 EP 0155378B1
Authority
EP
European Patent Office
Prior art keywords
code
transmitter
receiver
electronic key
reset
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP84115152A
Other languages
German (de)
English (en)
Other versions
EP0155378A1 (fr
Inventor
Fr. Dr. tech./Phys. Dannhäuser
Erwin Dipl.Ing Heuwieser (Fh)
Heinz Dipl.Phys. Preissinger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP0155378A1 publication Critical patent/EP0155378A1/fr
Application granted granted Critical
Publication of EP0155378B1 publication Critical patent/EP0155378B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
    • G07C2009/00238—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks the transmittted data signal containing a code which is changed
    • G07C2009/00253—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks the transmittted data signal containing a code which is changed dynamically, e.g. variable code - rolling code
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C2009/00753—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
    • G07C2009/00769—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means
    • G07C2009/00785—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means by light
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C2209/00—Indexing scheme relating to groups G07C9/00 - G07C9/38
    • G07C2209/06—Involving synchronization or resynchronization between transmitter and receiver; reordering of codes

Definitions

  • Such a method is known from DE-A-3234538 and DE-A-3234539.
  • a number of code numbers are stored in the transmitter and receiver, a new matching code number being set automatically in the transmitter and receiver after each transmission and reception operation, which can be done continuously or using a random number generator.
  • a reset code is sent in the known method. This opens immediately or after the next key press.
  • the reset code represents a security loophole, since unauthorized copying enables an unauthorized user to open the lock with the help of the reset code.
  • the object of the invention is therefore to further develop the method of the type specified in the introduction in such a way that unauthorized opening is prevented with the aid of the reset code.
  • auxiliary key preferably a recessed «pencil key» (micro key that can only be actuated with a specific pen) and with the transmitter switched on.
  • the electronic key can be designed in such a way that the typed-in number is deleted again after a few sending operations of the reset code, so that unauthorized use is further complicated.
  • the electronic key can be provided with a «repeat block», i.e. if a number is entered incorrectly, the typing of a new number is blocked for a certain time.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)

Claims (4)

1. Procédé de codage de sécurité pour une clé électronique, notamment pour des automobiles à verrouillage centralisé incorporé, qui est constituée par un émetteur, qui émet un signal infrarouge codé reçu par un récepteur accordé sur le code, le code du signal dans l'émetteur et dans le récepteur est réglable automatiquement, et selon lequel l'émetteur envoie, après désynchronisation ou changement de batterie dans l'émetteur ou dans le récepteur, un code de remise à l'état initial, caractérisé en ce que le code de remise à l'état initial est activé par l'introduction d'un nombre binaire.
2. Procédé selon la revendication 1, caractérisé en ce que le nombre binaire est introduit, lorsque l'émetteur est en circuit, en un code morse ou moyen d'un poussoir de secours, de préférence un micro-poussoir encastré.
3. Procédé selon la revendication 1 ou 2, caractérisé en ce que le nombre introduit est à nouveau effacé après quelques processus d'émission du code de remise à l'état initial.
4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que l'introduction du nombre binaire est liée à un dispositif anti-répétition limité dans le temps.
EP84115152A 1984-02-29 1984-12-11 Procédé de codage pour une clé électronique Expired EP0155378B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3407469 1984-02-29
DE19843407469 DE3407469A1 (de) 1984-02-29 1984-02-29 Verfahren zur code-sicherung bei einem elektronischen schluessel

Publications (2)

Publication Number Publication Date
EP0155378A1 EP0155378A1 (fr) 1985-09-25
EP0155378B1 true EP0155378B1 (fr) 1988-06-22

Family

ID=6229234

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84115152A Expired EP0155378B1 (fr) 1984-02-29 1984-12-11 Procédé de codage pour une clé électronique

Country Status (2)

Country Link
EP (1) EP0155378B1 (fr)
DE (2) DE3407469A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6108326A (en) * 1997-05-08 2000-08-22 Microchip Technology Incorporated Microchips and remote control devices comprising same
US6154544A (en) 1995-05-17 2000-11-28 The Chamberlain Group, Inc. Rolling code security system
US6166650A (en) * 1991-05-29 2000-12-26 Microchip Technology, Inc. Secure self learning system
US6175312B1 (en) 1990-05-29 2001-01-16 Microchip Technology Incorporated Encoder and decoder microchips and remote control devices for secure unidirectional communication
US6690796B1 (en) 1995-05-17 2004-02-10 The Chamberlain Group, Inc. Rolling code security system

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2026498T3 (es) * 1986-08-12 1992-05-01 Siemens Aktiengesellschaft Instalacion electronica de cierre con al menos una cerradura especialmente para automoviles.
DE3636822C2 (de) * 1986-10-29 1993-12-23 Ruf Kg Wilhelm Elektronische Fernbetätigungseinrichtung, insbesondere für Zentralverriegelungsanlagen von Kraftfahrzeugen
DE4302550C2 (de) * 1993-01-29 1997-02-20 Siemens Ag Fahrzeug-Schließsystem
US6980655B2 (en) 2000-01-21 2005-12-27 The Chamberlain Group, Inc. Rolling code security system
WO2005043451A2 (fr) * 2003-08-05 2005-05-12 Pedersen Steinar Systeme d'identification d'une personne
US8422667B2 (en) 2005-01-27 2013-04-16 The Chamberlain Group, Inc. Method and apparatus to facilitate transmission of an encrypted rolling code
US9148409B2 (en) 2005-06-30 2015-09-29 The Chamberlain Group, Inc. Method and apparatus to facilitate message transmission and reception using different transmission characteristics
US10652743B2 (en) 2017-12-21 2020-05-12 The Chamberlain Group, Inc. Security system for a moveable barrier operator
US11074773B1 (en) 2018-06-27 2021-07-27 The Chamberlain Group, Inc. Network-based control of movable barrier operators for autonomous vehicles
WO2020028502A1 (fr) 2018-08-01 2020-02-06 The Chamberlain Group, Inc. Opérateur de barrière mobile et appariement d'émetteurs sur un réseau
US10997810B2 (en) 2019-05-16 2021-05-04 The Chamberlain Group, Inc. In-vehicle transmitter training

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3754164A (en) * 1971-04-01 1973-08-21 P Zorzy Electronic combination lock
FR2420008A1 (fr) * 1978-03-17 1979-10-12 Neiman Sa Dispositif de commande d'une serrure de vehicule automobile
DE3225754A1 (de) * 1982-07-09 1984-01-12 Hülsbeck & Fürst GmbH & Co KG, 5620 Velbert Verfahren zur schliesswirksamen wechselwirkung eines schluesselartigen teils mit einem schlossartigen teil

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6175312B1 (en) 1990-05-29 2001-01-16 Microchip Technology Incorporated Encoder and decoder microchips and remote control devices for secure unidirectional communication
US6166650A (en) * 1991-05-29 2000-12-26 Microchip Technology, Inc. Secure self learning system
US6154544A (en) 1995-05-17 2000-11-28 The Chamberlain Group, Inc. Rolling code security system
US6690796B1 (en) 1995-05-17 2004-02-10 The Chamberlain Group, Inc. Rolling code security system
US8194856B2 (en) 1995-05-17 2012-06-05 The Chamberlain Group, Inc. Rolling code security system
US8233625B2 (en) 1995-05-17 2012-07-31 The Chamberlain Group, Inc. Rolling code security system
US8284021B2 (en) 1995-05-17 2012-10-09 The Chamberlain Group, Inc. Rolling code security system
US8633797B2 (en) 1995-05-17 2014-01-21 The Chamberlain Group, Inc. Rolling code security system
US6108326A (en) * 1997-05-08 2000-08-22 Microchip Technology Incorporated Microchips and remote control devices comprising same
US6985472B2 (en) 1997-05-08 2006-01-10 Microchip Technology Incorporated Method of communication using an encoder microchip and a decoder microchip

Also Published As

Publication number Publication date
EP0155378A1 (fr) 1985-09-25
DE3472281D1 (en) 1988-07-28
DE3407469A1 (de) 1985-09-05

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