DE69802306T2 - System mit bedingtem zugang für digitale empfänger - Google Patents

System mit bedingtem zugang für digitale empfänger

Info

Publication number
DE69802306T2
DE69802306T2 DE69802306T DE69802306T DE69802306T2 DE 69802306 T2 DE69802306 T2 DE 69802306T2 DE 69802306 T DE69802306 T DE 69802306T DE 69802306 T DE69802306 T DE 69802306T DE 69802306 T2 DE69802306 T2 DE 69802306T2
Authority
DE
Germany
Prior art keywords
smart card
signal
seed
service provider
scrambling 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
Application number
DE69802306T
Other languages
German (de)
English (en)
Other versions
DE69802306D1 (de
Inventor
Wesley Beyers
Mursit Eskicioglu
Kemal Ozkan
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.)
Thomson Licensing SAS
Original Assignee
Thomson Licensing SAS
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22086492&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69802306(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Thomson Licensing SAS filed Critical Thomson Licensing SAS
Application granted granted Critical
Publication of DE69802306D1 publication Critical patent/DE69802306D1/de
Publication of DE69802306T2 publication Critical patent/DE69802306T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/418—External card to be used in combination with the client device, e.g. for conditional access
    • H04N21/4181—External card to be used in combination with the client device, e.g. for conditional access for conditional access
    • 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
    • H04N21/45—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
    • H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/165—Centralised control of user terminal ; Registering at central

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Storage Device Security (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE69802306T 1997-12-10 1998-12-09 System mit bedingtem zugang für digitale empfänger Expired - Lifetime DE69802306T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US6906397P 1997-12-10 1997-12-10
PCT/US1998/026069 WO1999030498A1 (en) 1997-12-10 1998-12-09 Conditional access system for digital receivers

Publications (2)

Publication Number Publication Date
DE69802306D1 DE69802306D1 (de) 2001-12-06
DE69802306T2 true DE69802306T2 (de) 2002-06-27

Family

ID=22086492

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69802306T Expired - Lifetime DE69802306T2 (de) 1997-12-10 1998-12-09 System mit bedingtem zugang für digitale empfänger

Country Status (11)

Country Link
US (1) US7664268B1 (enExample)
EP (1) EP1040661B1 (enExample)
JP (1) JP4620865B2 (enExample)
KR (1) KR100528661B1 (enExample)
CN (1) CN1140995C (enExample)
AU (1) AU745625B2 (enExample)
BR (1) BR9813453B1 (enExample)
CA (1) CA2318939C (enExample)
DE (1) DE69802306T2 (enExample)
NZ (1) NZ505007A (enExample)
WO (1) WO1999030498A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003519973A (ja) * 1999-12-29 2003-06-24 ソニー エレクトロニクス インク 双方向送受信方法及び双方向送受信装置
DE10044051A1 (de) * 2000-09-01 2002-03-14 Deutsche Telekom Ag Verfahren zur Werbefinanzierung von Multimedia-Inhalten
WO2004019614A1 (en) * 2002-08-22 2004-03-04 Thomson Licensing S.A. Smart card with nrss delay line for data alignment
FR2848043B1 (fr) * 2002-12-03 2005-01-28 Philippe Guenebaud Module, systeme et procede de traitement de signaux numeriques
US9461821B1 (en) * 2014-06-30 2016-10-04 Emc Corporation System and method for key material protection on devices using a secret sharing scheme

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985000491A1 (en) 1983-06-30 1985-01-31 Independent Broadcasting Authority Encrypted broadcast television system
DE3470646D1 (en) 1983-07-22 1988-05-26 Indep Broadcasting Authority Security system for television signal encryption
US4634808A (en) * 1984-03-15 1987-01-06 M/A-Com Government Systems, Inc. Descrambler subscriber key production system utilizing key seeds stored in descrambler
US4751732A (en) * 1984-07-06 1988-06-14 Kabushiki Kaisha Toshiba Broadcasting system
JPS62180625A (ja) 1986-02-04 1987-08-07 Oki Electric Ind Co Ltd 放送受信方式
JP2760799B2 (ja) * 1988-04-28 1998-06-04 株式会社日立製作所 暗号方式
US5117458A (en) * 1989-11-01 1992-05-26 Hitachi, Ltd. Secret information service system and method
JPH04213242A (ja) * 1990-12-07 1992-08-04 Hitachi Ltd 限定同報通信システム
CA2150683C (en) * 1992-12-22 1999-09-07 Nicholas Demytko A cryptographic method
IL107967A (en) 1993-12-09 1996-12-05 News Datacom Research Ltd Apparatus and method for securing communication systems
DE69525226T2 (de) 1994-11-25 2002-06-27 Kyoto Daiichi Kagaku Co. Ltd., Kyoto Vorrichtung und Verfahren zur Bestimmung von Wasserstoffperoxid
KR100332743B1 (ko) * 1994-11-26 2002-11-07 엘지전자주식회사 디지탈영상시스템의불법시청및복사방지방법및장치
JPH08195735A (ja) 1995-01-18 1996-07-30 Toshiba Corp デコーダ装置
US6035037A (en) * 1995-08-04 2000-03-07 Thomson Electronic Consumers, Inc. System for processing a video signal via series-connected high speed signal processing smart cards
EP0843865B1 (en) 1995-08-11 2000-04-05 SMARTDISKETTE GmbH Pocket interface unit (piu) for a smart diskette
JPH09181689A (ja) 1995-10-19 1997-07-11 Casio Comput Co Ltd Ｆｍ多重放送受信装置、情報送受信装置、情報送受信システム、情報送受信方法及び記憶媒体
KR100438399B1 (ko) 1995-10-19 2004-10-28 가부시키가이샤 에프엠 도쿄 스크램블된정보송신/수신장치및그방법
US5737425A (en) * 1996-05-21 1998-04-07 International Business Machines Corporation Cryptosystem employing worst-case difficult-to solve lattice problem
US5737424A (en) * 1996-06-04 1998-04-07 Software Security, Inc. Method and system for secure distribution of protected data using elliptic curve systems
DE19750779C1 (de) * 1997-11-10 1999-01-14 Deutsche Telekom Ag Verfahren zum Identifizieren von Verrätern proprietärer Daten

Also Published As

Publication number Publication date
US7664268B1 (en) 2010-02-16
BR9813453A (pt) 2000-10-10
NZ505007A (en) 2002-04-26
CA2318939C (en) 2004-05-11
EP1040661B1 (en) 2001-10-31
CA2318939A1 (en) 1999-06-17
KR100528661B1 (ko) 2005-11-15
KR20010040286A (ko) 2001-05-15
CN1284234A (zh) 2001-02-14
JP2003521824A (ja) 2003-07-15
AU745625B2 (en) 2002-03-28
CN1140995C (zh) 2004-03-03
AU1809199A (en) 1999-06-28
WO1999030498A1 (en) 1999-06-17
JP4620865B2 (ja) 2011-01-26
BR9813453B1 (pt) 2013-02-05
DE69802306D1 (de) 2001-12-06
EP1040661A1 (en) 2000-10-04

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings