ATE324011T1 - System mit bedingtem zugriff und kopierschutz - Google Patents

System mit bedingtem zugriff und kopierschutz

Info

Publication number
ATE324011T1
ATE324011T1 AT02801901T AT02801901T ATE324011T1 AT E324011 T1 ATE324011 T1 AT E324011T1 AT 02801901 T AT02801901 T AT 02801901T AT 02801901 T AT02801901 T AT 02801901T AT E324011 T1 ATE324011 T1 AT E324011T1
Authority
AT
Austria
Prior art keywords
data
control data
module
conditional access
protection system
Prior art date
Application number
AT02801901T
Other languages
English (en)
Inventor
Christophe Genevois
Original Assignee
Scm Microsystems Gmbh
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 Scm Microsystems Gmbh filed Critical Scm Microsystems Gmbh
Application granted granted Critical
Publication of ATE324011T1 publication Critical patent/ATE324011T1/de

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
    • 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
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
    • H04L63/104—Grouping of entities
    • 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
    • H04N21/23476—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption by partially encrypting, e.g. encrypting the ending portion of a movie
    • 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
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4367—Establishing a secure communication between the client and a peripheral device or smart card
    • 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
    • H04N21/44055—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 by partially decrypting, e.g. decrypting a video stream that has been partially encrypted
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2463/00—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00
    • H04L2463/101—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00 applying security measures for digital rights management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/0853—Network architectures or network communication protocols for network security for authentication of entities using an additional device, e.g. smartcard, SIM or a different communication terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
    • H04N2005/91321—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a copy protection control signal, e.g. a record inhibit signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Storage Device Security (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Glass Compositions (AREA)
  • Television Signal Processing For Recording (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
AT02801901T 2001-10-19 2002-10-18 System mit bedingtem zugriff und kopierschutz ATE324011T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20117169 2001-10-19

Publications (1)

Publication Number Publication Date
ATE324011T1 true ATE324011T1 (de) 2006-05-15

Family

ID=7963051

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02801901T ATE324011T1 (de) 2001-10-19 2002-10-18 System mit bedingtem zugriff und kopierschutz

Country Status (8)

Country Link
US (1) US7400728B2 (de)
EP (1) EP1440578B1 (de)
AT (1) ATE324011T1 (de)
DE (1) DE60210799T2 (de)
DK (1) DK1440578T3 (de)
ES (1) ES2263850T3 (de)
PT (1) PT1440578E (de)
WO (1) WO2003036975A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7979700B2 (en) 2002-08-23 2011-07-12 Sandisk Corporation Apparatus, system and method for securing digital documents in a digital appliance
EP1728374B1 (de) 2004-02-03 2009-10-28 SanDisk Secure Content Solutions, Inc. Schutz von digitalem dateninhalt
FR2882208B1 (fr) * 2005-02-14 2007-05-11 Viaccess Sa Procede et systeme de reception d'un signal multimedia, entite cryptographique pour ce procede de reception et systeme, procede et boite noire pour la fabrication de l'entite cryptographique
EP1742475A1 (de) * 2005-07-07 2007-01-10 Nagravision S.A. Verfahren und Vorrichtung zu verschlüsselten Daten mit bedingtem Zugriff
US8839005B2 (en) 2006-09-13 2014-09-16 Sandisk Technologies Inc. Apparatus for transferring licensed digital content between users
DE102006051155B4 (de) * 2006-10-30 2013-04-25 Technisat Digital Gmbh Vorrichtung und Verfahren zum Nachrüsten einer Fernsehempfangseinrichtung mit einer Kommunikationsschnittstelle
US20090316892A1 (en) * 2008-06-20 2009-12-24 Candelore Brant L Crypto micro-module using IEEE 1394 for stream descrambling
JP5298744B2 (ja) * 2008-10-02 2013-09-25 富士通株式会社 情報処理装置、制御方法及び制御プログラム
US8239890B2 (en) 2009-11-03 2012-08-07 Echostar Technologies Llc Systems and methods for authorizing access to content for a television receiver
FR2960327B1 (fr) * 2010-05-20 2015-10-16 Oberthur Technologies Procede et systeme d'acces a un circuit integre comprenant une cle personnelle d'authentification
KR102479513B1 (ko) 2018-02-26 2022-12-21 삼성전자주식회사 전자장치 및 그 제어방법
CN109743573A (zh) * 2018-12-29 2019-05-10 深圳Tcl新技术有限公司 媒体播放方法、装置、智能终端及计算机可读存储介质

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6611607B1 (en) * 1993-11-18 2003-08-26 Digimarc Corporation Integrating digital watermarks in multimedia content
FR2718594B1 (fr) 1994-04-06 1996-04-26 France Telecom Procédé de diffusion de programmes à accès conditionnel progressif et à séparation du flux d'information.
JP3887824B2 (ja) * 1994-09-16 2007-02-28 ソニー株式会社 データ送出装置およびデータ送出方法
JPH10145773A (ja) * 1996-11-14 1998-05-29 Toshiba Corp 動画像データの暗号化方法およびその方法が適用されるコンピュータシステム並びに動画像データ符号化／復号化装置
EP1282315A3 (de) * 1997-03-21 2004-09-01 Canal+ Technologies Chipkarte und Empfänger für den Empfang von verschlüsselten Rundfunksignalen
US6668246B1 (en) * 1999-03-24 2003-12-23 Intel Corporation Multimedia data delivery and playback system with multi-level content and privacy protection
WO2001065762A2 (en) * 2000-03-02 2001-09-07 Tivo, Inc. Conditional access system and method for prevention of replay attacks
US7165175B1 (en) * 2000-09-06 2007-01-16 Widevine Technologies, Inc. Apparatus, system and method for selectively encrypting different portions of data sent over a network

Also Published As

Publication number Publication date
EP1440578A1 (de) 2004-07-28
US7400728B2 (en) 2008-07-15
PT1440578E (pt) 2006-09-29
DK1440578T3 (da) 2006-08-21
EP1440578B1 (de) 2006-04-19
WO2003036975A1 (en) 2003-05-01
ES2263850T3 (es) 2006-12-16
US20040250274A1 (en) 2004-12-09
DE60210799T2 (de) 2007-06-21
DE60210799D1 (de) 2006-05-24

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