EP1081884A3 - Method for transmitting encrypted data via a broadcast network, where the decryption data is obtained through a bidirectional communication link - Google Patents

Method for transmitting encrypted data via a broadcast network, where the decryption data is obtained through a bidirectional communication link Download PDF

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Publication number
EP1081884A3
EP1081884A3 EP00118546A EP00118546A EP1081884A3 EP 1081884 A3 EP1081884 A3 EP 1081884A3 EP 00118546 A EP00118546 A EP 00118546A EP 00118546 A EP00118546 A EP 00118546A EP 1081884 A3 EP1081884 A3 EP 1081884A3
Authority
EP
European Patent Office
Prior art keywords
data
transmission
decryption
encrypted data
user
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.)
Withdrawn
Application number
EP00118546A
Other languages
German (de)
French (fr)
Other versions
EP1081884A2 (en
Inventor
Peter Schneiders
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1081884A2 publication Critical patent/EP1081884A2/en
Publication of EP1081884A3 publication Critical patent/EP1081884A3/en
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
    • H04H60/14—Arrangements for conditional access to broadcast information or to broadcast-related services
    • H04H60/23—Arrangements for conditional access to broadcast information or to broadcast-related services using cryptography, e.g. encryption, authentication, key distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/76—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet
    • H04H60/81—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet characterised by the transmission system itself
    • H04H60/90—Wireless transmission systems
    • H04H60/91—Mobile communication networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/76—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet
    • H04H60/81—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet characterised by the transmission system itself
    • H04H60/93—Wired transmission systems
    • H04H60/94—Telephonic networks

Abstract

Es wird ein Verfahren zur Übertragung von verschlüsselten Daten vorgeschlagen, das dazu dient, einerseits verschlüsselte Daten nur bestimmten Nutzern zugänglich zu machen und andererseits einen Datensatz von bestimmten Nutzern zu aktualisieren. Das Verfahren zur Übertragung von verschlüsselten Daten umfaßt die Versendung der Entschlüsselungsdaten mittels eines Duplex-Übertragungsverfahrens und die Versendung der verschlüsselten Daten mittels eines Rundfunkübertragungsverfahrens. In einer Weiterbildung umfaßt das Verfahren die Versendung von Datensätzen mittels des Duplex-Übertragungsverfahrens zu einem jeweiligen Nutzer und die Übertragung von Zusatzdaten, um die Datensätze zu aktualisieren mittels des Rundfunkübertragungsverfahrens. Bei beiden Ausführungen fordert der Nutzer entweder die Entschlüsselungsdaten oder den Datensatz durch Anwahl eines Datendienstanbieters an. Sowohl die Entschlüsselungsdaten als auch der ursprüngliche Datensatz sind nur für eine vorgegebene Zeit für einen Nutzer nutzbar. Dem Nutzer wird die Übertragungszeit über das Duplex-Übertragungssystem in Rechnung gestellt, so daß damit die Bereitstellung der Datendienste bezahlt wird.

Figure 00000001
A method is proposed for the transmission of encrypted data, which on the one hand serves to make encrypted data accessible only to certain users and on the other hand to update a data record of certain users. The method of transmitting encrypted data includes sending the decryption data by means of a duplex transmission method and transmitting the encrypted data by means of a broadcast transmission method. In a further development, the method comprises the transmission of data records by means of the duplex transmission method to a respective user and the transmission of additional data in order to update the data records by means of the broadcast transmission method. In both embodiments, the user requests either the decryption data or the data set by selecting a data service provider. Both the decryption data and the original data record can only be used for a given time for a user. The user is charged for the transmission time via the duplex transmission system, thereby paying for the provision of the data services.
Figure 00000001
EP00118546A 1999-09-03 2000-08-25 Method for transmitting encrypted data via a broadcast network, where the decryption data is obtained through a bidirectional communication link Withdrawn EP1081884A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19941929 1999-09-03
DE1999141929 DE19941929A1 (en) 1999-09-03 1999-09-03 Process for the transmission of encrypted data

Publications (2)

Publication Number Publication Date
EP1081884A2 EP1081884A2 (en) 2001-03-07
EP1081884A3 true EP1081884A3 (en) 2005-11-02

Family

ID=7920604

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00118546A Withdrawn EP1081884A3 (en) 1999-09-03 2000-08-25 Method for transmitting encrypted data via a broadcast network, where the decryption data is obtained through a bidirectional communication link

Country Status (2)

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EP (1) EP1081884A3 (en)
DE (1) DE19941929A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1248221A3 (en) * 2001-04-04 2003-04-02 RITTER, Rudolf System and method for portfolio management by means of DAB
JP4218256B2 (en) * 2002-05-02 2009-02-04 富士ゼロックス株式会社 Data transfer method and system
DE10246987A1 (en) * 2002-10-02 2004-04-15 Deutsche Telekom Ag Method and system for receiving and paying for content
DE10251890A1 (en) * 2002-11-07 2004-05-19 Vodafone Holding Gmbh Electronic transmission of information data, especially as print medium content, involves dividing information data into two or more data blocks that are transmitted cyclically via forward channel
US7925203B2 (en) 2003-01-22 2011-04-12 Qualcomm Incorporated System and method for controlling broadcast multimedia using plural wireless network connections
EP1903696A1 (en) * 2006-09-25 2008-03-26 MAGNETI MARELLI SISTEMI ELETTRONICI S.p.A. Navigation system with broadcast receiver and mobile terminal for using restricted-access multimedia content

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4424380A1 (en) * 1994-07-13 1996-01-18 Deutsche Telekom Mobil Transmissions of programme related signals for video selection
US5822324A (en) * 1995-03-16 1998-10-13 Bell Atlantic Network Services, Inc. Simulcasting digital video programs for broadcast and interactive services

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4424380A1 (en) * 1994-07-13 1996-01-18 Deutsche Telekom Mobil Transmissions of programme related signals for video selection
US5822324A (en) * 1995-03-16 1998-10-13 Bell Atlantic Network Services, Inc. Simulcasting digital video programs for broadcast and interactive services

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ALTY J ET AL: "MEMO: THE SPECIFICATION OF A HYBRID SYSTEM FOR INTERACTIVE BROADCAST AND INTERNET ACCESS USING DAB AND GSM", PROCEEDINGS OF THE EUROPEAN CONFERENCE ON MULTIMEDIA APPLICATIONS,SERVICES AND TECHNIQUES, 26 May 1999 (1999-05-26), pages 534 - 551, XP001189371 *

Also Published As

Publication number Publication date
EP1081884A2 (en) 2001-03-07
DE19941929A1 (en) 2001-03-15

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