DK2647213T3 - System og fremgangsmåde til optegnelse af krypteret indhold med adgangsbetingelser - Google Patents

System og fremgangsmåde til optegnelse af krypteret indhold med adgangsbetingelser

Info

Publication number
DK2647213T3
DK2647213T3 DK11790626.3T DK11790626T DK2647213T3 DK 2647213 T3 DK2647213 T3 DK 2647213T3 DK 11790626 T DK11790626 T DK 11790626T DK 2647213 T3 DK2647213 T3 DK 2647213T3
Authority
DK
Denmark
Prior art keywords
encrypted content
access conditions
recording encrypted
recording
access
Prior art date
Application number
DK11790626.3T
Other languages
English (en)
Inventor
Fabien Gremaud
Nicolas Fischer
Original Assignee
Nagravision Sa
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 Nagravision Sa filed Critical Nagravision Sa
Application granted granted Critical
Publication of DK2647213T3 publication Critical patent/DK2647213T3/da

Links

Classifications

    • 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
    • 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
    • H04N21/43—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
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4334—Recording operations
    • 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
    • H04N21/4408—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 encryption, e.g. re-encrypting a decrypted video stream for redistribution in a home network

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Storage Device Security (AREA)
DK11790626.3T 2010-12-02 2011-12-01 System og fremgangsmåde til optegnelse af krypteret indhold med adgangsbetingelser DK2647213T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US41889310P 2010-12-02 2010-12-02
PCT/EP2011/071571 WO2012072772A1 (en) 2010-12-02 2011-12-01 System and method to record encrypted content with access conditions

Publications (1)

Publication Number Publication Date
DK2647213T3 true DK2647213T3 (da) 2017-11-13

Family

ID=45065911

Family Applications (1)

Application Number Title Priority Date Filing Date
DK11790626.3T DK2647213T3 (da) 2010-12-02 2011-12-01 System og fremgangsmåde til optegnelse af krypteret indhold med adgangsbetingelser

Country Status (5)

Country Link
US (1) US9191621B2 (da)
EP (1) EP2647213B1 (da)
DK (1) DK2647213T3 (da)
PL (1) PL2647213T3 (da)
WO (1) WO2012072772A1 (da)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5911654B2 (ja) * 2013-02-28 2016-04-27 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 乱数生成器及びストリーム暗号
KR102057975B1 (ko) * 2013-06-03 2019-12-20 삼성전자주식회사 디스플레이 장치의 기능 확장 키트 및 제어 방법
EP2990978B1 (en) * 2014-08-28 2020-11-18 Vodafone GmbH Operating a device for forwarding protected content to a client unit
CN106454488B (zh) * 2016-10-09 2019-06-11 深圳创维数字技术有限公司 一种基于机顶盒的节目录制与回放方法及系统
US10452870B2 (en) 2016-12-06 2019-10-22 Dish Technologies Llc Smart card authenticated download
US10325077B2 (en) 2016-12-23 2019-06-18 DISH Technologies L.L.C. Strong authentication of client set-top boxes
US10484753B2 (en) * 2016-12-23 2019-11-19 DISH Tchnologies L.L.C. Securely paired delivery of activation codes from smart card to remote client set-top box
US10484752B2 (en) * 2016-12-23 2019-11-19 DISH Technologies L.L.C. Securely paired delivery of activation codes from smart card to host set-top box

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4200770A (en) 1977-09-06 1980-04-29 Stanford University Cryptographic apparatus and method
TW412909B (en) 1998-05-07 2000-11-21 Kudelski Sa Mechanism of matching between a receiver and a security module
EP1163794A1 (en) 1999-03-24 2001-12-19 Microsoft Corporation Associating content with households using smart cards
AU4446601A (en) 2000-04-17 2001-10-30 Nagravision Sa Secure data transmission system and method
FR2813739B1 (fr) 2000-09-07 2003-06-06 Sagem Appareil de reception et d'enregistrement d'information et un procede associe
EP1215905B2 (en) 2000-12-15 2010-04-21 Panasonic Corporation Reception apparatus having a storage unit for recording a scrambled broadcast signal and broadcast apparatus for scrambling a signal to be broadcast, and associated methods
JP2004522252A (ja) * 2001-07-19 2004-07-22 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ ユーザデータを再生する装置及び方法
US7409562B2 (en) 2001-09-21 2008-08-05 The Directv Group, Inc. Method and apparatus for encrypting media programs for later purchase and viewing
US8082588B2 (en) 2002-03-15 2011-12-20 Nagravision S.A. Secured storage method of encrypted data on a personal digital recorder
FR2839834B1 (fr) * 2002-05-17 2004-07-30 Viaccess Sa Procede de distribution de donnees avec controle d'acces
CN1732683A (zh) 2002-06-12 2006-02-08 皇家飞利浦电子股份有限公司 有条件访问信号中的加密数据的特技播放
US20040073954A1 (en) * 2002-10-09 2004-04-15 General Instrument Corporation Method of protecting recorded multimedia content against unauthorized duplication
DE602004007116T2 (de) * 2003-03-14 2008-02-28 Koninklijke Philips Electronics N.V. Geschützter rückkanal vom digitalen rechte verwaltenden dongle
US20080279379A1 (en) * 2003-12-10 2008-11-13 Marinus Carolus Mathijs Muijen Conditional Access Video Signal Distribution
US20080271076A1 (en) 2007-04-27 2008-10-30 General Instrument Corporation Method and Apparatus for Switching Between Edge Device Resources in an SDV System
FR2926382B1 (fr) * 2008-01-11 2010-02-26 Proton World Internat Nv Hierarchisation de cles cryptographiques dans un circuit electronique

Also Published As

Publication number Publication date
EP2647213B1 (en) 2017-07-26
WO2012072772A1 (en) 2012-06-07
US9191621B2 (en) 2015-11-17
US20130279694A1 (en) 2013-10-24
EP2647213A1 (en) 2013-10-09
PL2647213T3 (pl) 2017-12-29

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