KR100966970B1 - 컨텐츠 방송용 보안 시스템에서 규정 비준수 키, 어플라이언스 또는 모듈의 폐기 리스트 갱신 방법 - Google Patents
컨텐츠 방송용 보안 시스템에서 규정 비준수 키, 어플라이언스 또는 모듈의 폐기 리스트 갱신 방법 Download PDFInfo
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- KR100966970B1 KR100966970B1 KR1020047010127A KR20047010127A KR100966970B1 KR 100966970 B1 KR100966970 B1 KR 100966970B1 KR 1020047010127 A KR1020047010127 A KR 1020047010127A KR 20047010127 A KR20047010127 A KR 20047010127A KR 100966970 B1 KR100966970 B1 KR 100966970B1
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- 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
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25808—Management of client data
- H04N21/2585—Generation of a revocation list, e.g. of client devices involved in piracy acts
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- 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, manipulating MPEG-4 scene graphs
- H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving video stream encryption
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- 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
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
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- 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
- H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
-
- 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
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/4722—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting additional data associated with the content
-
- 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
- H04N21/81—Monomedia components thereof
- H04N21/8126—Monomedia components thereof involving additional data, e.g. news, sports, stocks, weather forecasts
-
- 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
- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/854—Content authoring
- H04N21/8547—Content authoring involving timestamps for synchronizing content
-
- 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
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- 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
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- 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
- H04N2005/91357—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
- H04N2005/91364—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video signal being scrambled
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
- H04N5/775—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television receiver
Abstract
Description
Claims (9)
- 컨텐츠 방송용 보안 시스템에서 제3자 신뢰 기관(1)에 의해 규정 비준수로 간주되는 키, 어플라이언스 또는 모듈의 식별자를 포함하는 폐기 리스트를 갱신하는 방법에 있어서,컨텐츠 제공자(2)로부터의 컨텐츠를 수신 디바이스(3)에서 수신할 때,단일 식별자가 상기 제3자 신뢰 기관(1)에 의한 상기 폐기 리스트의 각 갱신에 할당되는 단계 - 가장 최근 폐기 리스트의 상기 식별자(IndexLR_C)가 상기 수신 디바이스에 수신되는 컨텐츠에 부가됨 -, 및수신된 상기 폐기 리스트 식별자(IndexLR_C)를 상기 수신 디바이스에 저장된 폐기 리스트 식별자(IndexLR_M)와 비교하여, 상기 식별자들 간에 차이가 있는 경우, 가장 최근 폐기 리스트를 상기 수신 디바이스에 다운로드하거나, 또는 다음 컨텐츠와 함께 가장 최근 폐기 리스트의 수신을 대기하는 단계(102)를 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서,상기 폐기 리스트 단일 식별자는 상기 폐기 리스트의 갱신 인덱스인 것을 특징으로 하는 방법.
- 제1항에 있어서,컨텐츠와 함께 수신되는 가장 최근 폐기 리스트의 상기 식별자(IndexLR_C)는 암호에 의해 또는 상기 컨텐츠의 인증에 의해 보호되는 부분에 포함되는 것을 특징으로 하는 방법.
- 제1항에 있어서,상기 폐기 리스트는, 상기 제3자 신뢰 기관에 의해 생성되고 상기 제3 신뢰기관에 의해 규정 비준수로써 간주되는 공개키의 적어도 하나의 일련 번호, 상기 제3자 신뢰 기관에 의해 규정 비준수로써 간주되는 어플라이언스의 적어도 하나의 일련 번호, 상기 제3자 신뢰 기관에 의해 규정 비준수로써 간주되는 모듈의 적어도 하나의 일련 번호를 포함하는 세트에 속하는 적어도 하나의 요소를 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서,상기 폐기 리스트는, 불법 복제에 대하여 컨텐츠를 보호하도록 제공된 적어도 하나의 로컬 네트워크 비밀키 식별자, 불법 복제에 대하여 컨텐츠를 보호하도록 제공된 적어도 하나의 로컬 네트워크 비밀키, 불법 복제에 대하여 컨텐츠를 보호하도록 제공된 로컬 네트워크 비밀키에 적용된 적어도 계산 함수, 특히 해시 함수의 결과를 포함하는 세트에 속하는 적어도 하나의 요소를 포함하는 것을 특징으로 하는 방법.
- 제4항에 있어서,상기 폐기 리스트의 각 요소에 대하여, 상기 폐기 리스트에 상기 요소를 삽입하는 순간에 상기 리스트의 갱신 인덱스에 대응하는 상기 폐기 리스트의 폐기 인덱스가 더 저장되는 것을 특징으로 하는 방법.
- 제1항에 있어서,상기 컨텐츠 방송용 보안 시스템은 조건부 액세스 텔레비전 시스템인 것을 특징으로 하는 방법.
- 제1항에 있어서,상기 단일 식별자는 ECM(Entitlement Control Message)에 포함되는 것을 특징으로 하는 방법.
- 제1항에 있어서,상기 폐기 리스트는 상기 컨텐츠에 부가되지 않는 것을 특징으로 하는 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0117139A FR2834406A1 (fr) | 2001-12-28 | 2001-12-28 | Procede de mise a jour d'une liste de revocation de cles, d'appareils ou de modules non-conformes dans un systeme de diffusion securise de contenu |
FR01/17139 | 2001-12-28 | ||
PCT/EP2002/014639 WO2003056823A1 (en) | 2001-12-28 | 2002-12-20 | Process for updating a revocation list of noncompliant keys, appliances or modules in a secure system for broadcasting content |
Publications (2)
Publication Number | Publication Date |
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KR20040070281A KR20040070281A (ko) | 2004-08-06 |
KR100966970B1 true KR100966970B1 (ko) | 2010-06-30 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020047010127A KR100966970B1 (ko) | 2001-12-28 | 2002-12-20 | 컨텐츠 방송용 보안 시스템에서 규정 비준수 키, 어플라이언스 또는 모듈의 폐기 리스트 갱신 방법 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20050021942A1 (ko) |
EP (1) | EP1459538A1 (ko) |
JP (1) | JP4478456B2 (ko) |
KR (1) | KR100966970B1 (ko) |
CN (1) | CN100338954C (ko) |
AU (1) | AU2002361186A1 (ko) |
FR (1) | FR2834406A1 (ko) |
WO (1) | WO2003056823A1 (ko) |
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2001
- 2001-12-28 FR FR0117139A patent/FR2834406A1/fr active Pending
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2002
- 2002-12-20 US US10/499,787 patent/US20050021942A1/en not_active Abandoned
- 2002-12-20 KR KR1020047010127A patent/KR100966970B1/ko active IP Right Grant
- 2002-12-20 AU AU2002361186A patent/AU2002361186A1/en not_active Abandoned
- 2002-12-20 JP JP2003557206A patent/JP4478456B2/ja not_active Expired - Fee Related
- 2002-12-20 WO PCT/EP2002/014639 patent/WO2003056823A1/en active Application Filing
- 2002-12-20 CN CNB028259947A patent/CN100338954C/zh not_active Expired - Fee Related
- 2002-12-20 EP EP02796700A patent/EP1459538A1/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001099422A1 (en) * | 2000-06-22 | 2001-12-27 | Sony Electronics, Inc. | Method and apparatus for routing program data in a program viewing unit |
Also Published As
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KR20040070281A (ko) | 2004-08-06 |
AU2002361186A1 (en) | 2003-07-15 |
WO2003056823A1 (en) | 2003-07-10 |
CN1608374A (zh) | 2005-04-20 |
EP1459538A1 (en) | 2004-09-22 |
FR2834406A1 (fr) | 2003-07-04 |
JP2005530368A (ja) | 2005-10-06 |
CN100338954C (zh) | 2007-09-19 |
US20050021942A1 (en) | 2005-01-27 |
JP4478456B2 (ja) | 2010-06-09 |
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