EP0155378A1 - Procédé de codage pour une clé électronique - Google Patents

Procédé de codage pour une clé électronique Download PDF

Info

Publication number
EP0155378A1
EP0155378A1 EP84115152A EP84115152A EP0155378A1 EP 0155378 A1 EP0155378 A1 EP 0155378A1 EP 84115152 A EP84115152 A EP 84115152A EP 84115152 A EP84115152 A EP 84115152A EP 0155378 A1 EP0155378 A1 EP 0155378A1
Authority
EP
European Patent Office
Prior art keywords
code
transmitter
receiver
reset
electronic key
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.)
Granted
Application number
EP84115152A
Other languages
German (de)
English (en)
Other versions
EP0155378B1 (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

  • the invention relates to a method for code security in an electronic key, in particular for motor vehicles with a built-in central locking system, which consists of a transmitter which emits a coded infrared signal which is received by a receiver matched to the code, the code of Signals at the transmitter and receiver are automatically adjustable, and in which the transmitter sends a reset code after desynchronization or battery change in the transmitter or receiver.
  • Such a method is known from DE-A 32 34 538 and DE-A 32 34 539.
  • 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 vulnerability, 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 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.
  • This object is achieved in that the reset code is activated by typing in a binary number.
  • 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 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)
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 true EP0155378A1 (fr) 1985-09-25
EP0155378B1 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 (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0257376A1 (fr) * 1986-08-12 1988-03-02 Siemens Aktiengesellschaft Installation de fermeture électronique comportant au moins une serrure, en particulier applicable aux véhicules automobiles
US6108326A (en) * 1997-05-08 2000-08-22 Microchip Technology Incorporated Microchips and remote control devices comprising same
US6166650A (en) * 1991-05-29 2000-12-26 Microchip Technology, Inc. Secure self learning system
WO2005043451A2 (fr) * 2003-08-05 2005-05-12 Pedersen Steinar Systeme d'identification d'une personne
US6980655B2 (en) 2000-01-21 2005-12-27 The Chamberlain Group, Inc. Rolling code security system
US10652743B2 (en) 2017-12-21 2020-05-12 The Chamberlain Group, Inc. Security system for a moveable barrier operator
US10862924B2 (en) 2005-06-30 2020-12-08 The Chamberlain Group, Inc. Method and apparatus to facilitate message transmission and reception using different transmission characteristics
US10944559B2 (en) 2005-01-27 2021-03-09 The Chamberlain Group, Inc. Transmission of data including conversion of ternary data to binary data
US10997810B2 (en) 2019-05-16 2021-05-04 The Chamberlain Group, Inc. In-vehicle transmitter training
US11074773B1 (en) 2018-06-27 2021-07-27 The Chamberlain Group, Inc. Network-based control of movable barrier operators for autonomous vehicles
US11423717B2 (en) 2018-08-01 2022-08-23 The Chamberlain Group Llc Movable barrier operator and transmitter pairing over a network

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3636822C2 (de) * 1986-10-29 1993-12-23 Ruf Kg Wilhelm Elektronische Fernbetätigungseinrichtung, insbesondere für Zentralverriegelungsanlagen von Kraftfahrzeugen
US6175312B1 (en) 1990-05-29 2001-01-16 Microchip Technology Incorporated Encoder and decoder microchips and remote control devices for secure unidirectional communication
DE4302550C2 (de) * 1993-01-29 1997-02-20 Siemens Ag Fahrzeug-Schließsystem
US6690796B1 (en) 1995-05-17 2004-02-10 The Chamberlain Group, Inc. Rolling code security system
AU710682B2 (en) 1995-05-17 1999-09-30 Chamberlain Group, Inc., The Rolling code security system

Citations (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
EP0098437A2 (fr) * 1982-07-09 1984-01-18 Hülsbeck & Fürst GmbH. & Co. KG Dispositif de fermeture électronique avec action réciproque par l'intermédiaire d'impulsions électriques, des sous-ensembles formant clé et serrure

Patent Citations (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
EP0098437A2 (fr) * 1982-07-09 1984-01-18 Hülsbeck & Fürst GmbH. & Co. KG Dispositif de fermeture électronique avec action réciproque par l'intermédiaire d'impulsions électriques, des sous-ensembles formant clé et serrure

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ELECTRONIC DESIGN, Band 30, Nr. 4, 1982, Seite 204, Waseca, MN, Denville, NJ, US; J. KLIMEK: "Shift register and comparators make effective keyless lock" *

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0257376A1 (fr) * 1986-08-12 1988-03-02 Siemens Aktiengesellschaft Installation de fermeture électronique comportant au moins une serrure, en particulier applicable aux véhicules automobiles
US6166650A (en) * 1991-05-29 2000-12-26 Microchip Technology, Inc. Secure self learning 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
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
WO2005043451A3 (fr) * 2003-08-05 2006-03-23 Pedersen Steinar Systeme d'identification d'une personne
US10944559B2 (en) 2005-01-27 2021-03-09 The Chamberlain Group, Inc. Transmission of data including conversion of ternary data to binary data
US11799648B2 (en) 2005-01-27 2023-10-24 The Chamberlain Group Llc Method and apparatus to facilitate transmission of an encrypted rolling code
US10862924B2 (en) 2005-06-30 2020-12-08 The Chamberlain Group, Inc. Method and apparatus to facilitate message transmission and reception using different transmission characteristics
US11122430B2 (en) 2017-12-21 2021-09-14 The Chamberlain Group, Inc. Security system for a moveable barrier operator
US11778464B2 (en) 2017-12-21 2023-10-03 The Chamberlain Group Llc Security system for a moveable barrier operator
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
US11763616B1 (en) 2018-06-27 2023-09-19 The Chamberlain Group Llc Network-based control of movable barrier operators for autonomous vehicles
US11423717B2 (en) 2018-08-01 2022-08-23 The Chamberlain Group Llc Movable barrier operator and transmitter pairing over a network
US11869289B2 (en) 2018-08-01 2024-01-09 The Chamberlain Group Llc Movable barrier operator and transmitter pairing over a network
US10997810B2 (en) 2019-05-16 2021-05-04 The Chamberlain Group, Inc. In-vehicle transmitter training
US11462067B2 (en) 2019-05-16 2022-10-04 The Chamberlain Group Llc In-vehicle transmitter training

Also Published As

Publication number Publication date
EP0155378B1 (fr) 1988-06-22
DE3472281D1 (en) 1988-07-28
DE3407469A1 (de) 1985-09-05

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