ATE427003T1 - Verfahren zum verteilen verwurfelter digital- datenentschlusselungsschlussel - Google Patents

Verfahren zum verteilen verwurfelter digital- datenentschlusselungsschlussel

Info

Publication number
ATE427003T1
ATE427003T1 AT02799089T AT02799089T ATE427003T1 AT E427003 T1 ATE427003 T1 AT E427003T1 AT 02799089 T AT02799089 T AT 02799089T AT 02799089 T AT02799089 T AT 02799089T AT E427003 T1 ATE427003 T1 AT E427003T1
Authority
AT
Austria
Prior art keywords
period
distributing
encoding
digital data
cpi
Prior art date
Application number
AT02799089T
Other languages
English (en)
Inventor
Andre Codet
Pierre Fevrier
Noel Fontaine
Original Assignee
France Telecom
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 France Telecom filed Critical France Telecom
Application granted granted Critical
Publication of ATE427003T1 publication Critical patent/ATE427003T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications
    • H04N7/17318—Direct or substantially direct transmission and handling of requests
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/26606—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel for generating or managing entitlement messages, e.g. Entitlement Control Message [ECM] or Entitlement Management Message [EMM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4622—Retrieving content or additional data from different sources, e.g. from a broadcast channel and the Internet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
    • H04N21/4782—Web browsing, e.g. WebTV
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/65—Transmission of management data between client and server
    • H04N21/654—Transmission by server directed to the client
    • H04N21/6543—Transmission by server directed to the client for forcing some client operations, e.g. recording
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845—Structuring of content, e.g. decomposing content into time segments
    • H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Databases & Information Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Circuits Of Receivers In General (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Storage Device Security (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Mobile Radio Communication Systems (AREA)
AT02799089T 2001-12-05 2002-12-03 Verfahren zum verteilen verwurfelter digital- datenentschlusselungsschlussel ATE427003T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0115721A FR2833121B1 (fr) 2001-12-05 2001-12-05 Procede de distribution de cles de dechiffrement de donnees numeriques embrouillees

Publications (1)

Publication Number Publication Date
ATE427003T1 true ATE427003T1 (de) 2009-04-15

Family

ID=8870133

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02799089T ATE427003T1 (de) 2001-12-05 2002-12-03 Verfahren zum verteilen verwurfelter digital- datenentschlusselungsschlussel

Country Status (10)

Country Link
US (1) US7693281B2 (de)
EP (1) EP1452026B1 (de)
JP (1) JP4489430B2 (de)
KR (1) KR100969647B1 (de)
AT (1) ATE427003T1 (de)
AU (1) AU2002364315A1 (de)
DE (1) DE60231737D1 (de)
ES (1) ES2324468T3 (de)
FR (1) FR2833121B1 (de)
WO (1) WO2003049442A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7048461B2 (en) * 2002-09-20 2006-05-23 Trw Inc. Ball joint assembly with wear indication
US7512987B2 (en) * 2004-12-03 2009-03-31 Motion Picture Association Of America Adaptive digital rights management system for plural device domains
RU2339077C1 (ru) * 2007-03-13 2008-11-20 Олег Вениаминович Сахаров Способ функционирования системы условного доступа для применения в компьютерных сетях и система для его осуществления
US20100037251A1 (en) * 2008-08-11 2010-02-11 Sony Ericsson Mobile Communications Ab Distributing information over dvb-h
EP2230845A1 (de) * 2009-03-16 2010-09-22 Irdeto Access B.V. Bereitstellung von Kontrollwörtern an einen Empfänger
IL277996B (en) 2020-10-12 2022-05-01 Elbit Systems C4I And Cyber Ltd Seismic detection system for seismic scanning while moving.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5270809A (en) * 1991-03-29 1993-12-14 Scientific-Atlanta Data return for a television transmission system
US5671276A (en) * 1995-07-21 1997-09-23 General Instrument Corporation Of Delaware Method and apparatus for impulse purchasing of packaged information services
US6898285B1 (en) * 2000-06-02 2005-05-24 General Instrument Corporation System to deliver encrypted access control information to support interoperability between digital information processing/control equipment
US20020083438A1 (en) * 2000-10-26 2002-06-27 So Nicol Chung Pang System for securely delivering encrypted content on demand with access contrl
FR2831737B1 (fr) 2001-10-29 2003-12-26 France Telecom Procede et systeme de transmission avec controle d'acces de donnees numeriques embrouillees dans un reseau d'echange de donnees
NL1022226C2 (nl) * 2002-12-20 2004-07-19 Leader Electronics Europ B V Inrichting en werkwijze voor het omzetten van een wisselspanning.

Also Published As

Publication number Publication date
AU2002364315A1 (en) 2003-06-17
EP1452026A1 (de) 2004-09-01
ES2324468T3 (es) 2009-08-07
KR100969647B1 (ko) 2010-07-14
US7693281B2 (en) 2010-04-06
FR2833121B1 (fr) 2004-02-13
JP2005512416A (ja) 2005-04-28
US20050002527A1 (en) 2005-01-06
DE60231737D1 (de) 2009-05-07
EP1452026B1 (de) 2009-03-25
WO2003049442A1 (fr) 2003-06-12
KR20050044644A (ko) 2005-05-12
FR2833121A1 (fr) 2003-06-06
JP4489430B2 (ja) 2010-06-23

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Legal Events

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