EP1975900A3 - Method and device to send and verify messages with a unique code or a message verification value - Google Patents

Method and device to send and verify messages with a unique code or a message verification value Download PDF

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Publication number
EP1975900A3
EP1975900A3 EP08102714A EP08102714A EP1975900A3 EP 1975900 A3 EP1975900 A3 EP 1975900A3 EP 08102714 A EP08102714 A EP 08102714A EP 08102714 A EP08102714 A EP 08102714A EP 1975900 A3 EP1975900 A3 EP 1975900A3
Authority
EP
European Patent Office
Prior art keywords
message
time code
time
send
unique code
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.)
Ceased
Application number
EP08102714A
Other languages
German (de)
French (fr)
Other versions
EP1975900A2 (en
Inventor
Rainer Falk
Florian Kohlmayer
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.)
Continental Automotive GmbH
Original Assignee
Continental Automotive GmbH
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 Continental Automotive GmbH filed Critical Continental Automotive GmbH
Publication of EP1975900A2 publication Critical patent/EP1975900A2/en
Publication of EP1975900A3 publication Critical patent/EP1975900A3/en
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/091—Traffic information broadcasting
    • G08G1/092—Coding or decoding of the information
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/091—Traffic information broadcasting
    • G08G1/093—Data selection, e.g. prioritizing information, managing message queues, selecting the information to be output

Abstract

Eine Nachricht (N) umfasst eine erste Einmalkennung (EK1) oder einen abhängig von der ersten Einmalkennung (EK1) ermittelten ersten Nachrichtenprüfwert (NP1). Die Nachricht (N) wird per Funk empfangen. Eine per Funk ausgestrahlte zweite Einmalkennung (EK2) wird unabhängig von der Nachricht (N) empfangen. Die Nachricht (N) wird abhängig von der ersten Einmalkennung (EK1) und der zweiten Einmalkennung (EK2) auf ihre Gültigkeit überprüft. Die Nachricht (N) wird als gültig erkannt, wenn die erste Einmalkennung (EK1) und die zweite Einmalkennung (EK2) übereinstimmen oder wenn der erste Nachrichtenprüfwert (NP1) mit einem zweiten Nachrichtenprüfwert (NP2) übereinstimmt, der abhängig von der zweiten Einmalkennung (EK2) ermittelt wird, oder wenn eine abhängig von der zweiten Einmalkennung (EK2) ermittelte dritte Einmalkennung (EK3) mit der ersten Einmalkennung (EK1) übereinstimmt. Andernfalls wird die Nachricht (N) als ungültig erkannt.

Figure imgaf001
A message (N) comprises a first one-time code (EK1) or a first message check value (NP1) determined as a function of the first one-time code (EK1). The message (N) is received by radio. A radio-broadcast second one-time signal (EK2) is received independently of the message (N). The message (N) is checked for validity depending on the first one-time code (EK1) and the second one-time code (EK2). The message (N) is recognized as valid if the first one-time code (EK1) and the second one-time code (EK2) match or if the first message check value (NP1) matches a second message check value (NP2) which depends on the second one-time code (EK2 ), or if a third one-time identifier (EK3) determined as a function of the second one-time identifier (EK2) agrees with the first one-time identifier (EK1). Otherwise, the message (N) is recognized as invalid.
Figure imgaf001
EP08102714A 2007-03-27 2008-03-18 Method and device to send and verify messages with a unique code or a message verification value Ceased EP1975900A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200710014649 DE102007014649B4 (en) 2007-03-27 2007-03-27 Test method, test apparatus, transmission method for sending one-time identifications, transmitting station and system

Publications (2)

Publication Number Publication Date
EP1975900A2 EP1975900A2 (en) 2008-10-01
EP1975900A3 true EP1975900A3 (en) 2009-11-25

Family

ID=39595513

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08102714A Ceased EP1975900A3 (en) 2007-03-27 2008-03-18 Method and device to send and verify messages with a unique code or a message verification value

Country Status (2)

Country Link
EP (1) EP1975900A3 (en)
DE (1) DE102007014649B4 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007053255B4 (en) 2007-11-08 2009-09-10 Continental Automotive Gmbh Method for editing messages and message processing device
DE102011101359A1 (en) 2011-05-12 2012-11-15 GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) Method and device for the classification of data

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1022704A1 (en) * 1999-01-22 2000-07-26 Rover Group Limited A traffic information system for a vehicle
EP1209648A2 (en) * 2000-11-24 2002-05-29 Director General of National Institute for Land and Infrastructure Management, Ministry of Land, Infrastructure and Transport On-road reference point positional data delivery device
US20030073406A1 (en) * 2001-10-17 2003-04-17 Benjamin Mitchell A. Multi-sensor fusion
US20030179110A1 (en) * 2002-03-22 2003-09-25 Akira Kato Broadcasting system and its broadcasting transmission apparatus and reception terminal apparatus
DE102004055505A1 (en) * 2004-11-17 2006-05-24 Nec Europe Ltd. A method for authorizing service requests to service hosts in a network

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7856660B2 (en) * 2001-08-21 2010-12-21 Telecommunication Systems, Inc. System for efficiently handling cryptographic messages containing nonce values
US20040006705A1 (en) * 2002-07-05 2004-01-08 Walker Jesse R. Secure two-message synchronization in wireless networks

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1022704A1 (en) * 1999-01-22 2000-07-26 Rover Group Limited A traffic information system for a vehicle
EP1209648A2 (en) * 2000-11-24 2002-05-29 Director General of National Institute for Land and Infrastructure Management, Ministry of Land, Infrastructure and Transport On-road reference point positional data delivery device
US20030073406A1 (en) * 2001-10-17 2003-04-17 Benjamin Mitchell A. Multi-sensor fusion
US20030179110A1 (en) * 2002-03-22 2003-09-25 Akira Kato Broadcasting system and its broadcasting transmission apparatus and reception terminal apparatus
DE102004055505A1 (en) * 2004-11-17 2006-05-24 Nec Europe Ltd. A method for authorizing service requests to service hosts in a network

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
LAURENDEAU C ET AL: "THREATS TO SECURITY IN DSRC/WAVE", LECTURE NOTES IN COMPUTER SCIENCE (ICICS 2002), SPRINGER VERLAG, BERLIN; DE, vol. 4104, 1 January 2006 (2006-01-01), pages 266 - 279, XP019038184 *

Also Published As

Publication number Publication date
DE102007014649B4 (en) 2009-05-07
DE102007014649A1 (en) 2008-10-02
EP1975900A2 (en) 2008-10-01

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