EP1182313A1 - Dispositif pour vérifier une autorisation d'accès - Google Patents

Dispositif pour vérifier une autorisation d'accès Download PDF

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Publication number
EP1182313A1
EP1182313A1 EP00202951A EP00202951A EP1182313A1 EP 1182313 A1 EP1182313 A1 EP 1182313A1 EP 00202951 A EP00202951 A EP 00202951A EP 00202951 A EP00202951 A EP 00202951A EP 1182313 A1 EP1182313 A1 EP 1182313A1
Authority
EP
European Patent Office
Prior art keywords
verifying
access authorization
authorization according
transit time
vehicle
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
EP00202951A
Other languages
German (de)
English (en)
Other versions
EP1182313B1 (fr
Inventor
Frank Schumacher
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.)
Delphi Technologies Inc
Original Assignee
Delphi Technologies Inc
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 Delphi Technologies Inc filed Critical Delphi Technologies Inc
Priority to DE50012304T priority Critical patent/DE50012304D1/de
Priority to EP00202951A priority patent/EP1182313B1/fr
Publication of EP1182313A1 publication Critical patent/EP1182313A1/fr
Application granted granted Critical
Publication of EP1182313B1 publication Critical patent/EP1182313B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional 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
    • G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
    • G07C2009/00555—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks comprising means to detect or avoid relay attacks
    • 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
    • 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
    • G07C2209/08—With time considerations, e.g. temporary activation, valid time window or time limitations

Definitions

  • the invention relates to a device for verifying an access authorization, especially for a Motor vehicle, each with at least one vehicle-side electronic unit and at least one user-side electronic unit, which is for a mutual Identification, wireless, encrypted Exchange electronic messages (signals).
  • a Mutual Identification, wireless, encrypted Exchange electronic messages signals
  • Such Systems are often also called keyless car (kc) systems designated.
  • the ID card is preferably carried in a pocket close to the body.
  • an opening movement of a door handle or some other action solves at the vehicle-side electronic unit the wireless Sending out an identification protocol (question signal).
  • the on-board unit is received for a response protocol (response signal) from the user electronic unit switched.
  • a response protocol is sent to the sent on-board unit. In this way, in each of the two building blocks self-sufficient identification of the carried out each other assigned unit.
  • This task is solved in that at least one of the units means for recording the signal transit time are assigned that a memory with at least one stored target signal transit time is provided, and that a Comparison between the determined signal transit time and the stored signal runtime takes place.
  • the stored target signal transit time correlates with this a signal transmission in the immediate vicinity of the Vehicle within the normal signal range. So can an inadmissible range extension was identified and the Access to the vehicle function requested is denied.
  • a device for verifying a Access authorization 1 comprises at least one on the vehicle side electronic and microprocessor controlled unit 2 (first unit) and a user-side electronic as well microprocessor-controlled unit 4 (second unit), which wirelessly encrypted messages 6,8 exchange with each other.
  • the structural structure of everyone These messages 6, 8 are basically the same, and include basically one or more start bits at the beginning of the signal, one or more address bits, one or more message bits in encrypted form, and an end bit at the end of the signal.
  • Receiving means for a reciprocal wireless Exchange of messages provided. Sends in a preferred manner the first unit 2 signals in a frequency range around 125 kHz.
  • the second module 4 has a frequency range around about 433 MHz.
  • Figure 1 is schematic and with solid line one towards the second Unit 4 sent question 6, as well as a in Direction sent to the first assembly 2 Answer 8 can be seen.
  • the aim is mutual Identification process of the two units speed up to unnecessary user waiting times avoid.
  • the following description refers to an example on a motor vehicle door locking device.
  • the invention is however in any application in Automotive or other access controls (for example in real estate monitoring) can be used.
  • the Device also works and communicates in the Connection with a Kraftmaiinnenraumueberwachungsvorraum. This applies before especially against the background that modern Motor vehicles to a certain extent all electronic Units are connected via a data bus system and communicate data with each other.
  • the first module 2 sends on one User demand (e.g. by manual Door handle contact) one based on a random number and one certain algorithm calculated question message 6 to a second assembly 4. After sending out the first awaits Unit 2 a reply message 8. After receiving the Question message 6 identifies the second component 4 on the basis of the transmitted random number as well as the algorithm
  • Unit 2 and also calculates and emits one Reply message 8.
  • This in turn serves the first structural unit 2 for the identification of the second component 4.
  • All basically the range of signals 6 amounts to first assembly 2 to, for example, 2 meters.
  • the Signal range of the second module 4 is in any case about the performance of the first assembly 2 and amounts for example 5 meters.
  • the signal range is in direct connection to the transmission power. So far the Distance between the two units 2.4 is larger than the signal range of the second module 4 does not take place Communication of the units 2.4. Hence the requested function cannot be released because of a Question signal 6, the corresponding answer signal 8 is absent.
  • a transceiver 10 can intervene, which the Range increased due to an increase that the signal 16 from the first unit 2 can be received.
  • the same connection applies also in the event that the signal 6 of the first unit 2 cannot be received by the second module 4 (Distance of, for example, 100 meters).
  • Transceiver 10,12 the parallel processing of several Question and answer signals are taken over various possibilities to mislead the device 1.
  • the device 1 becomes considerably safer when measured Figure 2 means 18.20 are provided, which the signal transit time capture between the two units 2.4. If in one Memory 22,24 a certain maximum signal runtime or a time range (target signal runtime range) is stored, there is a comparison between the measured signal propagation time and the stored target signal transit time. If the measured value the setpoint is exceeded, at least the demanded Function or blocked the entire vehicle, for example. In other words, a manipulation attempt is made with Transceivers 10, 12 recognized and rendered harmless.
  • an internal clock in each of the two units 26.28 As a means 18.20 for the detection of the signal transit time preferably an internal clock in each of the two units 26.28 provided.
  • This clock 26.28 can be in the form of a Oscillator with a quartz using a certain Frequency can be provided.
  • the resonant circuit frequency determines the accuracy, which in turn depends on the transmission frequency depends. You can get particularly good results with Oscillating circuits with a frequency in the range of around 500 MHz to reach. Frequency is for more precise applications fundamentally upgradeable. It is very important for everyone Uses that the two clocks 26.28 in sync run towards each other. In addition, a high one is required Accuracy.
  • each sent message especially a reply message from the second unit 4, a time information regarding the internal Time at the beginning of a data transfer.
  • the Signal propagation time is determined by the (from the for example second component 4) transmitted time value of an internal time value present in the first structural unit 2 is deducted when the message arrives, so that the Difference the pure signal runtime between start of transmission and Describes beginning of reception.
  • an alarm device 30 is used Alarm signal on the vehicle.
  • an alarm signal on the second Unit 4 (ID card) is used to the authorized user alert. If necessary, an additional alarm is triggered on the Vehicle.
  • means for programming 32, 34 of the Device 1 can be provided to make various settings, for example the alarm functions, to the desires of the Customize.
  • Recommended switches with which the vehicle alarm or other options can be switched off or programmed e.g. alarm siren, flasher, flasher together with Siren or alarm off).
  • the second unit 4 is basically as Mobile device is designed by a user is to be carried, this device shows miniaturized Construction on very power-saving circuits. Are at the same time High performance batteries are provided, which at low Construction sizes have a high capacity. The discharge rate is executed so low that depending on Usage habits also maintenance-free operation Is possible for years.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lock And Its Accessories (AREA)
EP00202951A 2000-08-23 2000-08-23 Dispositif pour vérifier une autorisation d'accès Expired - Lifetime EP1182313B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE50012304T DE50012304D1 (de) 2000-08-23 2000-08-23 Vorrichtung zum verifizieren einer Zugangsberechtigung
EP00202951A EP1182313B1 (fr) 2000-08-23 2000-08-23 Dispositif pour vérifier une autorisation d'accès

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00202951A EP1182313B1 (fr) 2000-08-23 2000-08-23 Dispositif pour vérifier une autorisation d'accès

Publications (2)

Publication Number Publication Date
EP1182313A1 true EP1182313A1 (fr) 2002-02-27
EP1182313B1 EP1182313B1 (fr) 2006-03-01

Family

ID=8171948

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00202951A Expired - Lifetime EP1182313B1 (fr) 2000-08-23 2000-08-23 Dispositif pour vérifier une autorisation d'accès

Country Status (2)

Country Link
EP (1) EP1182313B1 (fr)
DE (1) DE50012304D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2845219A1 (fr) * 2002-08-24 2004-04-02 Bosch Gmbh Robert Procede et systeme de transmission bidirectionnelle de donnees et de determination d'eloignement dans le domaine automobile
US9911262B2 (en) 2015-04-02 2018-03-06 Volkswagen Ag Distance determination and authentication of a remote control key to a vehicle

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19802526A1 (de) * 1998-01-26 1999-07-29 Bosch Gmbh Robert Vorrichtung zur Kontrolle der Zugangsberechtigung
US5983347A (en) * 1996-08-08 1999-11-09 Daimlerchrysler Ag Authentication device with electronic authentication communication
FR2781076A1 (fr) * 1998-07-09 2000-01-14 Valeo Securite Habitacle Systeme de securite pour un vehicule automobile comportant des moyens de mesure de la duree d'un echange de donnees
EP0983916A1 (fr) * 1998-09-02 2000-03-08 Marquardt GmbH Système de verrouillage, notamment pour véhicule à moteur
DE19839695C1 (de) * 1998-09-01 2000-05-04 Kostal Leopold Gmbh & Co Kg Verfahren zum Durchführen einer schlüssellosen Zugangsberechtigungskontrolle sowie schlüssellose Zugangsberechtigungskontrolleinrichtung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5983347A (en) * 1996-08-08 1999-11-09 Daimlerchrysler Ag Authentication device with electronic authentication communication
DE19802526A1 (de) * 1998-01-26 1999-07-29 Bosch Gmbh Robert Vorrichtung zur Kontrolle der Zugangsberechtigung
FR2781076A1 (fr) * 1998-07-09 2000-01-14 Valeo Securite Habitacle Systeme de securite pour un vehicule automobile comportant des moyens de mesure de la duree d'un echange de donnees
DE19839695C1 (de) * 1998-09-01 2000-05-04 Kostal Leopold Gmbh & Co Kg Verfahren zum Durchführen einer schlüssellosen Zugangsberechtigungskontrolle sowie schlüssellose Zugangsberechtigungskontrolleinrichtung
EP0983916A1 (fr) * 1998-09-02 2000-03-08 Marquardt GmbH Système de verrouillage, notamment pour véhicule à moteur

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2845219A1 (fr) * 2002-08-24 2004-04-02 Bosch Gmbh Robert Procede et systeme de transmission bidirectionnelle de donnees et de determination d'eloignement dans le domaine automobile
US9911262B2 (en) 2015-04-02 2018-03-06 Volkswagen Ag Distance determination and authentication of a remote control key to a vehicle

Also Published As

Publication number Publication date
DE50012304D1 (de) 2006-04-27
EP1182313B1 (fr) 2006-03-01

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