EP0596343B1 - Verfahren zur Zuordnung eines mit einem Sender ausgestatteten Kraftfahrzeugschlüssels zu einem Empfänger einer Steuereinrichtung eines Kraftfahrzeugs - Google Patents
Verfahren zur Zuordnung eines mit einem Sender ausgestatteten Kraftfahrzeugschlüssels zu einem Empfänger einer Steuereinrichtung eines Kraftfahrzeugs Download PDFInfo
- Publication number
- EP0596343B1 EP0596343B1 EP93117117A EP93117117A EP0596343B1 EP 0596343 B1 EP0596343 B1 EP 0596343B1 EP 93117117 A EP93117117 A EP 93117117A EP 93117117 A EP93117117 A EP 93117117A EP 0596343 B1 EP0596343 B1 EP 0596343B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- motor vehicle
- characteristic data
- key
- receiver
- vehicle 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.)
- Expired - Lifetime
Links
Images
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
- G07C2009/0042—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 the transmitted data signal containing a code which is changed
- G07C2009/00476—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 the transmitted data signal containing a code which is changed dynamically
-
- 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
-
- 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
- G07C9/00857—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys where the code of the data carrier can be programmed
Definitions
- the invention relates to a method for assigning a Transmitter for the wireless transmission of encrypted function commands equipped motor vehicle key to a receiver of a Control device for central locking and anti-theft device Motor vehicle.
- the method according to the invention differs from the method according to patent application P 42 01 568.5 in that the key only on End of manufacturing process, d. H. immediately before delivery of the Vehicle with the characteristic data at a point in time when a mix-up of key and lock as well as unauthorized actuation of the transmitter for determining the characteristic data is practically excluded.
- the key is not individualized after one viewable program so that the characteristics are not even of the person who inserts the key into the characteristic data programming device can.
- the confidentiality of the characteristic data transmission is thus optimal guaranteed.
- a characteristic data generator 1 shows a block diagram with a characteristic data generator 1, a Characteristic data programming device 2 and a key 3.
- a characteristic data generator 1 a production computer is advantageously used. This contains a microprocessor with pseudo-random generator and data storage as well an interface. According to a specific schedule ( Figure 2) the fixed code and change code data as well as all changeable control commands created, which are necessary for the transmission of the key 3. It can the pseudo-random generator both in terms of circuitry as well be implemented in software.
- the schedule doesn't just ensure that for everyone Key individual characteristics are created, however also for internal controls that ensure that everything runs smoothly the identification data generation and its transmission required are.
- the characteristic data is sent from the characteristic data generator 1 to the characteristic data programming device 2 passed, whereby by reading back in each case it is checked whether there are errors in the data transfer appeared.
- the characteristic data programming device 2 contains also a microprocessor with data storage, one Interface to the identification data generator 1 and a key holder with an interface for the key 3 in Form of contacts.
- the key 3 is with a microprocessor, one Memory, a non-volatile memory, a Pseudo-random generator, a transmitter, a battery, an actuator in the form of buttons and one Interface equipped with input contacts.
- the one for the recipient in the motor vehicle certain part of that stored in the key Characteristic data record by a special operation be transmitted wirelessly.
- the one arranged in the motor vehicle The recipient decrypts the transmitted data and converts them into the corresponding control signals.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lock And Its Accessories (AREA)
Description
- Fig. 1
- Blockschaltbild einer Anordung zur Durchführung des erfindungsgemäßen Verfahrens
- Fig. 2
- Ablaufplan des erfindungsgemäßen Verfahrens.
Claims (4)
- Verfahren zur Zuordnung eines mit einem Sender für die drahtlose Übertragung verschlüsselter Funktionsbefehle ausgestatteten Kraftfahrzeugschlüssels zu einem Empfänger einer Steuereinrichtung für die Zentralverriegelung und Diebstahlsicherung eines Kraftfahrzeuges, bei welchem am Ende des Herstellungsprozesses des Kraftfahrzeuges von einem Kenndatenerzeuger nach einem bestimmten Algorithmus unter Einschaltung eines Pseudo-Zufallsgenerators erstmalig individuelle, für den Sendebetrieb des Kraftfahrzeugschlüssels notwendige Kenndaten generiert und zuerst in ein den Kraftfahrzeugschlüssel aufnehmendes Kenndatenprogrammiergerät eingespeist und anschießend von diesem zur Individualisierung des Kraftfahrzeugschlüssels an diesen weitergegeben werden und danach die für den Empfänger bestimmten Teile der im Schlüssel gespeicherten Kenndaten an den Empfänger drahtlos übertragen werden.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Übertragung der Kenndaten durch Zurücklesen kontrolliert wird.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß für jeden Schlüssel ein eigener Satz an Kenndaten generiert wird.
- Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Kenndaten Festcode- und Wechselcode-Anteile sowie Steuerbefehle enthalten.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4236863 | 1992-10-31 | ||
| DE4236863A DE4236863A1 (de) | 1992-01-22 | 1992-10-31 | Verfahren zur Eingabe von Kenndaten in den Mikroprozessor eines Kraftfahrzeugschlüssels |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0596343A1 EP0596343A1 (de) | 1994-05-11 |
| EP0596343B1 true EP0596343B1 (de) | 2001-03-07 |
Family
ID=6471842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP93117117A Expired - Lifetime EP0596343B1 (de) | 1992-10-31 | 1993-10-22 | Verfahren zur Zuordnung eines mit einem Sender ausgestatteten Kraftfahrzeugschlüssels zu einem Empfänger einer Steuereinrichtung eines Kraftfahrzeugs |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0596343B1 (de) |
| DE (1) | DE59310152D1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19618526A1 (de) * | 1996-05-08 | 1997-11-20 | Zangenstein Elektro | Schloßsystem |
| DE19622721C2 (de) * | 1996-06-06 | 1999-08-05 | Megamos F & G Sicherheit | Vorrichtung und Verfahren zur Prüfung der Nutzungsberechtigung für Zugangskontrolleinrichtungen, insbesondere Schließeinrichtungen für Fahrzeuge |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2566823A1 (fr) * | 1984-07-02 | 1986-01-03 | Blaize Guy | Systeme d'ouverture et de fermeture d'acces par serrure et cles a memoires |
| IT1227401B (it) * | 1988-12-06 | 1991-04-08 | Delta Elettronica Spa | Dispositivi per la trasmissione a distanza di comandi in sicurezza |
| WO1990015211A1 (en) * | 1989-06-02 | 1990-12-13 | Tls Technologies Pty. Ltd. | Security system |
| US5140317A (en) * | 1990-05-11 | 1992-08-18 | Medeco Security Locks, Inc. | Electronic security system |
| DE4201568C2 (de) * | 1992-01-22 | 1995-12-21 | Vdo Schindling | Verfahren zur Synchronisation von Sender und Empfänger |
-
1993
- 1993-10-22 EP EP93117117A patent/EP0596343B1/de not_active Expired - Lifetime
- 1993-10-22 DE DE59310152T patent/DE59310152D1/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0596343A1 (de) | 1994-05-11 |
| DE59310152D1 (de) | 2001-04-12 |
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