DE69914306D1 - Aufzeichnung verschlüsselter digitaler daten - Google Patents

Aufzeichnung verschlüsselter digitaler daten

Info

Publication number
DE69914306D1
DE69914306D1 DE69914306T DE69914306T DE69914306D1 DE 69914306 D1 DE69914306 D1 DE 69914306D1 DE 69914306 T DE69914306 T DE 69914306T DE 69914306 T DE69914306 T DE 69914306T DE 69914306 D1 DE69914306 D1 DE 69914306D1
Authority
DE
Germany
Prior art keywords
digital data
digital
control word
transmission
scrambled
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
DE69914306T
Other languages
English (en)
Other versions
DE69914306T2 (de
Inventor
Michel Maillard
Christian Benardeau
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
Canal Plus Technologies 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 Canal Plus Technologies SA filed Critical Canal Plus Technologies SA
Application granted granted Critical
Publication of DE69914306D1 publication Critical patent/DE69914306D1/de
Publication of DE69914306T2 publication Critical patent/DE69914306T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • 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]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/633—Control signals issued by server directed to the network components or client
    • H04N21/6332—Control signals issued by server directed to the network components or client directed to client
    • H04N21/6334—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
    • H04N21/63345—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key by transmitting keys
    • 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]
    • H04N21/40—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
    • H04N21/41—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
    • H04N21/4185—External card to be used in combination with the client device, e.g. for conditional access for payment
    • 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
    • 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
    • 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
    • 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
    • H04N21/8106—Monomedia components thereof involving special audio data, e.g. different tracks for different languages
    • H04N21/8113—Monomedia components thereof involving special audio data, e.g. different tracks for different languages comprising music, e.g. song in MP3 format
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Storage Device Security (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Communication Control (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
  • Navigation (AREA)
  • Television Signal Processing For Recording (AREA)
DE69914306T 1998-02-13 1999-02-12 Aufzeichnung verschlüsselter digitaler daten Expired - Lifetime DE69914306T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP98400344 1998-02-13
EP98400344A EP0936774A1 (de) 1998-02-13 1998-02-13 Aufzeichnung von verschlüsselten digitalen Daten
PCT/IB1999/000328 WO1999041874A1 (en) 1998-02-13 1999-02-12 Recording of scrambled digital data

Publications (2)

Publication Number Publication Date
DE69914306D1 true DE69914306D1 (de) 2004-02-26
DE69914306T2 DE69914306T2 (de) 2004-11-25

Family

ID=8235272

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69914306T Expired - Lifetime DE69914306T2 (de) 1998-02-13 1999-02-12 Aufzeichnung verschlüsselter digitaler daten

Country Status (20)

Country Link
US (2) US6714650B1 (de)
EP (2) EP0936774A1 (de)
JP (1) JP2002503919A (de)
KR (1) KR100607576B1 (de)
CN (1) CN1272930C (de)
AT (1) ATE258349T1 (de)
AU (1) AU749013B2 (de)
BR (1) BR9907877A (de)
CA (1) CA2318879A1 (de)
DE (1) DE69914306T2 (de)
ES (1) ES2214840T3 (de)
HR (1) HRP20000486A2 (de)
HU (1) HUP0101456A3 (de)
ID (1) ID26101A (de)
IL (1) IL137638A0 (de)
NO (1) NO20004062L (de)
PL (1) PL342261A1 (de)
TR (1) TR200002350T2 (de)
WO (1) WO1999041874A1 (de)
ZA (2) ZA991122B (de)

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* Cited by examiner, † Cited by third party
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ZA991123B (en) 1999-08-12
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IL137638A0 (en) 2001-10-31
WO1999041874A1 (en) 1999-08-19
CN1272930C (zh) 2006-08-30
USRE42044E1 (en) 2011-01-18
ID26101A (id) 2000-11-23
NO20004062D0 (no) 2000-08-11
BR9907877A (pt) 2000-10-31
US6714650B1 (en) 2004-03-30
EP1055305A1 (de) 2000-11-29
JP2002503919A (ja) 2002-02-05
CN1305674A (zh) 2001-07-25
KR100607576B1 (ko) 2006-08-01
AU2296499A (en) 1999-08-30
NO20004062L (no) 2000-10-13
ES2214840T3 (es) 2004-09-16
HUP0101456A3 (en) 2003-05-28
AU749013B2 (en) 2002-06-13
DE69914306T2 (de) 2004-11-25
KR20010040908A (ko) 2001-05-15
EP1055305B1 (de) 2004-01-21
CA2318879A1 (en) 1999-08-19
EP0936774A1 (de) 1999-08-18
TR200002350T2 (tr) 2001-01-22
ATE258349T1 (de) 2004-02-15
ZA991122B (en) 1999-09-30
PL342261A1 (en) 2001-06-04

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