ATE445968T1 - Zugriffskontrollverfahren für verschlüsselte programme - Google Patents

Zugriffskontrollverfahren für verschlüsselte programme

Info

Publication number
ATE445968T1
ATE445968T1 AT02745508T AT02745508T ATE445968T1 AT E445968 T1 ATE445968 T1 AT E445968T1 AT 02745508 T AT02745508 T AT 02745508T AT 02745508 T AT02745508 T AT 02745508T AT E445968 T1 ATE445968 T1 AT E445968T1
Authority
AT
Austria
Prior art keywords
subscribers
access control
control method
key
group
Prior art date
Application number
AT02745508T
Other languages
English (en)
Inventor
Odile Derouet
Original Assignee
Nagra Thomson Licensing
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 Nagra Thomson Licensing filed Critical Nagra Thomson Licensing
Application granted granted Critical
Publication of ATE445968T1 publication Critical patent/ATE445968T1/de

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
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
    • 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
    • H04N21/26613—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 keys in general
    • 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
    • H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
    • 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)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Storage Device Security (AREA)
  • Lock And Its Accessories (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
AT02745508T 2001-06-12 2002-06-10 Zugriffskontrollverfahren für verschlüsselte programme ATE445968T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0107658A FR2825877B1 (fr) 2001-06-12 2001-06-12 Procede de controle d'acces a un programme crypte
PCT/FR2002/001974 WO2002102074A1 (fr) 2001-06-12 2002-06-10 Procede de controle d'acces a un programme crypte

Publications (1)

Publication Number Publication Date
ATE445968T1 true ATE445968T1 (de) 2009-10-15

Family

ID=8864209

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02745508T ATE445968T1 (de) 2001-06-12 2002-06-10 Zugriffskontrollverfahren für verschlüsselte programme

Country Status (11)

Country Link
US (1) US7881478B2 (de)
EP (1) EP1421789B1 (de)
CN (1) CN1242618C (de)
AT (1) ATE445968T1 (de)
CA (1) CA2450186C (de)
DE (1) DE60212147D1 (de)
ES (1) ES2266527T3 (de)
FR (1) FR2825877B1 (de)
MY (1) MY146325A (de)
PT (1) PT1421789E (de)
WO (1) WO2002102074A1 (de)

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Publication number Priority date Publication date Assignee Title
WO2004082286A1 (fr) * 2003-03-12 2004-09-23 Kudelski S.A. Systeme de television a peage, procede de diffusion de programmes audiovisuels brouilles, decodeur et carte a puce mettant en oeuvre ce procede
US8472792B2 (en) 2003-12-08 2013-06-25 Divx, Llc Multimedia distribution system
US7519274B2 (en) 2003-12-08 2009-04-14 Divx, Inc. File format for multiple track digital data
EP1545130A1 (de) * 2003-12-16 2005-06-22 Nagravision S.A. Verfahren zum Aktualisieren von Zugriffsrechten auf Daten mit bedingtem Zugriff
WO2007106844A2 (en) 2006-03-14 2007-09-20 Divx, Inc. Federated digital rights management scheme including trusted systems
KR100837270B1 (ko) * 2006-06-07 2008-06-11 삼성전자주식회사 스마트 카드 및 그것의 데이터 보안 방법
CN101636726B (zh) 2007-01-05 2013-10-30 Divx有限责任公司 包含连续播放的视频分配系统
JP5513400B2 (ja) 2007-11-16 2014-06-04 ソニック アイピー， インコーポレイテッド マルチメディアファイルのための階層的で簡略なインデックス構造体
EP2129116A1 (de) 2008-05-29 2009-12-02 Nagravision S.A. Einheit und Verfahren zur gesicherten Verarbeitung von Audio-/Video-Daten mit kontrolliertem Zugriff
CA2782825C (en) 2009-12-04 2016-04-26 Divx, Llc Elementary bitstream cryptographic material transport systems and methods
EP2337347A1 (de) 2009-12-17 2011-06-22 Nagravision S.A. Verfahren und Vearbeitungseinheit zur sicheren Verarbeitung von Audio-/Videodaten mit Zugangskontrolle
US8782417B2 (en) 2009-12-17 2014-07-15 Nagravision S.A. Method and processing unit for secure processing of access controlled audio/video data
US8914534B2 (en) 2011-01-05 2014-12-16 Sonic Ip, Inc. Systems and methods for adaptive bitrate streaming of media stored in matroska container files using hypertext transfer protocol
US9467708B2 (en) 2011-08-30 2016-10-11 Sonic Ip, Inc. Selection of resolutions for seamless resolution switching of multimedia content
US8787570B2 (en) 2011-08-31 2014-07-22 Sonic Ip, Inc. Systems and methods for automatically genenrating top level index files
US8909922B2 (en) 2011-09-01 2014-12-09 Sonic Ip, Inc. Systems and methods for playing back alternative streams of protected content protected using common cryptographic information
US9332286B2 (en) * 2011-10-28 2016-05-03 Irdeto B.V. Constructing a transport stream
GB2506219B (en) 2012-09-20 2016-06-29 Nds Ltd Method and system for prevention of control word sharing
US9191457B2 (en) 2012-12-31 2015-11-17 Sonic Ip, Inc. Systems, methods, and media for controlling delivery of content
US9313510B2 (en) 2012-12-31 2016-04-12 Sonic Ip, Inc. Use of objective quality measures of streamed content to reduce streaming bandwidth
EP2802152B1 (de) 2013-05-07 2017-07-05 Nagravision S.A. Verfahren zur sicheren Verarbeitung eines Stroms aus verschlüsselten digitalen Audio-/Videodaten
EP3243130B1 (de) 2015-01-06 2019-08-14 Sonic IP, Inc. Systeme und verfahren zur codierung und gemeinsamen nutzung von inhalten zwischen vorrichtungen

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Publication number Priority date Publication date Assignee Title
US5870474A (en) * 1995-12-04 1999-02-09 Scientific-Atlanta, Inc. Method and apparatus for providing conditional access in connection-oriented, interactive networks with a multiplicity of service providers
US4423287A (en) * 1981-06-26 1983-12-27 Visa U.S.A., Inc. End-to-end encryption system and method of operation
US4453074A (en) * 1981-10-19 1984-06-05 American Express Company Protection system for intelligent cards
JP2606419B2 (ja) * 1989-08-07 1997-05-07 松下電器産業株式会社 暗号通信システムと暗号通信方法
US5265164A (en) * 1991-10-31 1993-11-23 International Business Machines Corporation Cryptographic facility environment backup/restore and replication in a public key cryptosystem
US5319705A (en) * 1992-10-21 1994-06-07 International Business Machines Corporation Method and system for multimedia access control enablement
CA2128115C (en) * 1993-07-20 1999-08-10 Keiichi Iwamura Encryption apparatus, communication system using the same and method therefor
ATE295644T1 (de) * 1994-07-29 2005-05-15 Canon Kk Verfahren zur gemeinsamen nutzung einer geheimen information, zur erzeugung einer digitalen unterschrift und zur ausführung einer beglaubigung in einem kommunikationssystem mit mehreren informationsverarbeitungseinrichtungen und kommunikationssystem zur anwendung dieses verfahrens
US6157719A (en) * 1995-04-03 2000-12-05 Scientific-Atlanta, Inc. Conditional access system
US6246767B1 (en) * 1995-04-03 2001-06-12 Scientific-Atlanta, Inc. Source authentication of download information in a conditional access system
US6055314A (en) * 1996-03-22 2000-04-25 Microsoft Corporation System and method for secure purchase and delivery of video content programs
JP4159116B2 (ja) * 1997-03-21 2008-10-01 ナグラ トムソン ライセンシング 暗号化放送信号の受信機と併用するためのスマートカード、および受信機
US5995625A (en) * 1997-03-24 1999-11-30 Certco, Llc Electronic cryptographic packing
WO1999005818A1 (en) * 1997-07-28 1999-02-04 The Director Government Communications Headquarters Split-key cryptographic system and method
WO1999007145A1 (en) * 1997-08-01 1999-02-11 Scientific-Atlanta, Inc. Verification of the source of program of information in a conditional access system
AU1581699A (en) * 1997-08-01 1999-03-08 Scientific-Atlanta, Inc. Conditional access system
CN1171454C (zh) 1997-10-02 2004-10-13 卡纳尔股份有限公司 用于加密数据流传输的方法和装置
RU2000111530A (ru) * 1997-10-02 2002-05-27 Каналь+Сосьетэ Аноним Способ и устройство для шифрованной трансляции потока данных
US6061799A (en) * 1997-10-31 2000-05-09 International Business Machines Corp. Removable media for password based authentication in a distributed system
EP0936812A1 (de) * 1998-02-13 1999-08-18 CANAL+ Société Anonyme Verfahren und Anlage zur Aufnahme verschlüsselter digitaler Daten
EP0936774A1 (de) * 1998-02-13 1999-08-18 CANAL+ Société Anonyme Aufzeichnung von verschlüsselten digitalen Daten
IL126472A0 (en) * 1998-10-07 1999-08-17 Nds Ltd Secure communications system
US6735313B1 (en) * 1999-05-07 2004-05-11 Lucent Technologies Inc. Cryptographic method and apparatus for restricting access to transmitted programming content using hash functions and program identifiers
EP1111923A1 (de) * 1999-12-22 2001-06-27 Irdeto Access B.V. Verfahren zum betrieben eines Systems mit bedingtem Zugang für Fernsehrundfunksanwendungen

Also Published As

Publication number Publication date
CN1242618C (zh) 2006-02-15
ES2266527T3 (es) 2010-04-07
CA2450186A1 (fr) 2002-12-19
MY146325A (en) 2012-07-31
US7881478B2 (en) 2011-02-01
DE60212147D1 (de) 2010-05-06
FR2825877A1 (fr) 2002-12-13
FR2825877B1 (fr) 2003-09-19
US20040202331A1 (en) 2004-10-14
EP1421789A1 (de) 2004-05-26
EP1421789B1 (de) 2009-10-14
WO2002102074A1 (fr) 2002-12-19
CN1515116A (zh) 2004-07-21
CA2450186C (fr) 2011-08-16
PT1421789E (pt) 2010-02-17

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