FI103838B1 - Menetelmä vastaanottajakohtaisten ohjelmien lähettämiseksi ja vastaanottamiseksi - Google Patents

Menetelmä vastaanottajakohtaisten ohjelmien lähettämiseksi ja vastaanottamiseksi

Info

Publication number
FI103838B1
FI103838B1 FI923701A FI923701A FI103838B1 FI 103838 B1 FI103838 B1 FI 103838B1 FI 923701 A FI923701 A FI 923701A FI 923701 A FI923701 A FI 923701A FI 103838 B1 FI103838 B1 FI 103838B1
Authority
FI
Finland
Prior art keywords
sending
procedure
receiving recipient
specified programs
programs
Prior art date
Application number
FI923701A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI923701A (fi
FI103838B (fi
FI923701A0 (fi
Inventor
Francoise Coutrot
Pierre Fevrier
Original Assignee
France Telecom
Telediffusion Fse
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, Telediffusion Fse filed Critical France Telecom
Publication of FI923701A0 publication Critical patent/FI923701A0/fi
Publication of FI923701A publication Critical patent/FI923701A/fi
Application granted granted Critical
Publication of FI103838B1 publication Critical patent/FI103838B1/fi
Publication of FI103838B publication Critical patent/FI103838B/fi

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
    • H04L9/088—Usage controlling of secret information, e.g. techniques for restricting cryptographic keys to pre-authorized uses, different access levels, validity of crypto-period, different key- or password length, or different strong and weak cryptographic algorithms
    • 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
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
    • 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
    • H04N21/835—Generation of protective data, e.g. certificates
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/60—Digital content management, e.g. content distribution
    • H04L2209/601—Broadcast encryption

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Storage Device Security (AREA)
  • Information Transfer Between Computers (AREA)
  • Computer And Data Communications (AREA)
  • Circuits Of Receivers In General (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Small-Scale Networks (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
FI923701A 1991-08-19 1992-08-18 Menetelmä vastaanottajakohtaisten ohjelmien lähettämiseksi ja vastaanottamiseksi FI103838B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9110404 1991-08-19
FR9110404A FR2680589A1 (fr) 1991-08-19 1991-08-19 Procede d'emission et de reception de programmes personnalises.

Publications (4)

Publication Number Publication Date
FI923701A0 FI923701A0 (fi) 1992-08-18
FI923701A FI923701A (fi) 1993-02-20
FI103838B1 true FI103838B1 (fi) 1999-09-30
FI103838B FI103838B (fi) 1999-09-30

Family

ID=9416258

Family Applications (1)

Application Number Title Priority Date Filing Date
FI923701A FI103838B (fi) 1991-08-19 1992-08-18 Menetelmä vastaanottajakohtaisten ohjelmien lähettämiseksi ja vastaanottamiseksi

Country Status (8)

Country Link
US (1) US5301233A (de)
EP (1) EP0528730B1 (de)
JP (1) JP3798031B2 (de)
CA (1) CA2076439C (de)
DE (1) DE69227487T2 (de)
FI (1) FI103838B (de)
FR (1) FR2680589A1 (de)
NO (1) NO304458B1 (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6292568B1 (en) * 1966-12-16 2001-09-18 Scientific-Atlanta, Inc. Representing entitlements to service in a conditional access system
US4965825A (en) 1981-11-03 1990-10-23 The Personalized Mass Media Corporation Signal processing apparatus and methods
USRE47642E1 (en) 1981-11-03 2019-10-08 Personalized Media Communications LLC Signal processing apparatus and methods
US7831204B1 (en) 1981-11-03 2010-11-09 Personalized Media Communications, Llc Signal processing apparatus and methods
JPH06110925A (ja) * 1992-09-28 1994-04-22 Hitachi Ltd ネットワークで接続された計算機とその利用方法
US5420923A (en) * 1993-02-16 1995-05-30 Scientific-Atlanta, Inc. Addressed messaging in a cable television system
FR2715256B1 (fr) * 1994-01-19 1996-02-16 France Telecom Procédés d'émission et de réception de programmes à accès conditionnel gérés par un même opérateur.
US6252964B1 (en) * 1995-04-03 2001-06-26 Scientific-Atlanta, Inc. Authorization of services in a conditional access system
US20040136532A1 (en) * 1995-04-03 2004-07-15 Pinder Howard G. Partial dual-encrypted stream utilizing program map tables
US7224798B2 (en) * 1995-04-03 2007-05-29 Scientific-Atlanta, Inc. Methods and apparatus for providing a partial dual-encrypted stream in a conditional access overlay system
US8548166B2 (en) 1995-04-03 2013-10-01 Anthony J. Wasilewski Method for partially encrypting program data
US6937729B2 (en) * 1995-04-03 2005-08-30 Scientific-Atlanta, Inc. Representing entitlements to service in a conditional access system
US6246767B1 (en) 1995-04-03 2001-06-12 Scientific-Atlanta, Inc. Source authentication of download information in a conditional access system
US6560340B1 (en) 1995-04-03 2003-05-06 Scientific-Atlanta, Inc. Method and apparatus for geographically limiting service in a conditional access system
US6424717B1 (en) 1995-04-03 2002-07-23 Scientific-Atlanta, Inc. Encryption devices for use in a conditional access system
JP2995496B2 (ja) * 1995-06-19 1999-12-27 インターナシヨナル・ビジネス・マシーンズ・コーポレーシヨン 単方向ブロードキャスト・システムにおいてデータ・パケットを受信するための方法及びシステム
US5887249A (en) * 1996-01-31 1999-03-23 Telefonaktiebolaget L M Ericsson Method and apparatus for remotely establishing a cellular service account for a cellular radiotelephone
US5828402A (en) * 1996-06-19 1998-10-27 Canadian V-Chip Design Inc. Method and apparatus for selectively blocking audio and video signals
FR2751154B1 (fr) * 1996-07-15 1998-09-11 Schlumberger Ind Sa Systeme de diversification d'informations dans un reseau de distribution de produits ou de services
US7515712B2 (en) * 1997-08-01 2009-04-07 Cisco Technology, Inc. Mechanism and apparatus for encapsulation of entitlement authorization in conditional access system
EP1040621B1 (de) 1997-12-19 2004-08-04 BRITISH TELECOMMUNICATIONS public limited company Verfahren zum Betrieb eines Datenkommunikationssystems, Datenkommunikationssystem und Kundenendgerät
US7730300B2 (en) * 1999-03-30 2010-06-01 Sony Corporation Method and apparatus for protecting the transfer of data
US9451310B2 (en) 1999-09-21 2016-09-20 Quantum Stream Inc. Content distribution system and method
AU8244601A (en) * 2000-08-11 2002-02-25 Nds Ltd System and method for pre-encryption of transmitted content
FR2825209A1 (fr) * 2001-05-23 2002-11-29 Thomson Licensing Sa Dispositifs et procede de securisation et d'identification de messages
US20040017918A1 (en) * 2002-07-24 2004-01-29 Christophe Nicolas Process for point-to-point secured transmission of data and electronic module for implementing the process
EP1494125A1 (de) * 2003-07-03 2005-01-05 Thomson Licensing S.A. Methode und Datenstruktur zum wahlfreien Zugriff über eine Busverbindung
US8396216B2 (en) * 2003-11-21 2013-03-12 Howard G. Pinder Partial dual-encryption using program map tables
FR2871017B1 (fr) * 2004-05-28 2008-02-29 Viaccess Sa Procede de diffusion de donnees numeriques a un parc de terminaux recepteurs cible
EP2317767A1 (de) * 2009-10-27 2011-05-04 Nagravision S.A. Verfahren für Zugriff auf Dienste mittels einer Benutzereinheit
ATE557533T1 (de) * 2010-03-05 2012-05-15 Nagravision Sa Verfahren zur steuerung des zugriffs auf eine mehrzahl von kanälen über einen empfänger/decoder
US20120063597A1 (en) * 2010-09-15 2012-03-15 Uponus Technologies, Llc. Apparatus and associated methodology for managing content control keys

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2448825A1 (fr) * 1979-02-06 1980-09-05 Telediffusion Fse Systeme de transmission d'information entre un centre d'emission et des postes recepteurs, ce systeme etant muni d'un moyen de controle de l'acces a l'information transmise
AU559311B2 (en) * 1984-02-15 1987-03-05 Matsushita Electric Industrial Co., Ltd. Pay tv charge/time data display
GB2184272A (en) * 1985-11-25 1987-06-17 Philips Electronic Associated Interface between a receiver and a sub-system
WO1988001120A1 (en) * 1986-07-31 1988-02-11 Kabushiki Kaisya Advance System for generating a shared cryptographic key and a communication system using the shared cryptographic key
FR2613565B1 (fr) * 1987-04-03 1989-06-23 Bull Cps Procede pour acheminer des cles secretes vers des modules de securite et des cartes utilisateurs, dans un reseau de traitement d'informations
FR2632148B1 (fr) * 1988-05-27 1990-08-10 France Etat Procede de diffusion et de reception de messages de gestion de titres d'acces
US5208856A (en) * 1988-12-23 1993-05-04 Laboratoire Europeen De Recherches Electroniques Avancees Scrambling and unscrambling method for composite video signals and implementing device
FR2654288B1 (fr) * 1989-11-08 1996-11-29 Europ Rech Electr Lab Procede d'authentification d'une carte a microprocesseur et systeme le mettant en óoeuvre.
US4991208A (en) * 1990-03-29 1991-02-05 Gte Laboratories Incorporated Video control system having session encryption key

Also Published As

Publication number Publication date
FI923701A (fi) 1993-02-20
NO923239D0 (no) 1992-08-18
EP0528730B1 (de) 1998-11-04
FR2680589B1 (de) 1995-01-27
JPH0756831A (ja) 1995-03-03
DE69227487D1 (de) 1998-12-10
DE69227487T2 (de) 1999-06-02
JP3798031B2 (ja) 2006-07-19
NO923239L (no) 1993-02-22
US5301233A (en) 1994-04-05
FI103838B (fi) 1999-09-30
EP0528730A1 (de) 1993-02-24
CA2076439C (en) 2003-05-20
CA2076439A1 (en) 1993-02-20
NO304458B1 (no) 1998-12-14
FR2680589A1 (fr) 1993-02-26
FI923701A0 (fi) 1992-08-18

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Legal Events

Date Code Title Description
MA Patent expired