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HUP0100232A2 - Eljárás bitsorkódolt adatok, illetve adatáram adására és vételére - Google Patents

Eljárás bitsorkódolt adatok, illetve adatáram adására és vételére

Info

Publication number
HUP0100232A2
HUP0100232A2 HU0100232A HUP0100232A HUP0100232A2 HU P0100232 A2 HUP0100232 A2 HU P0100232A2 HU 0100232 A HU0100232 A HU 0100232A HU P0100232 A HUP0100232 A HU P0100232A HU P0100232 A2 HUP0100232 A2 HU P0100232A2
Authority
HU
Hungary
Prior art keywords
data stream
decoder
bit
encoding
encrypted data
Prior art date
Application number
HU0100232A
Other languages
English (en)
Inventor
Christian Benardeau
Jean-Luc Dauvois
Michel Maillard
Original Assignee
Canal+ Societe Anonyme
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27238734&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HUP0100232(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Canal+ Societe Anonyme filed Critical Canal+ Societe Anonyme
Publication of HUP0100232A2 publication Critical patent/HUP0100232A2/hu
Publication of HUP0100232A3 publication Critical patent/HUP0100232A3/hu

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]
    • H04N21/40—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
    • 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
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
    • H04H60/14—Arrangements for conditional access to broadcast information or to broadcast-related services
    • H04H60/23—Arrangements for conditional access to broadcast information or to broadcast-related services using cryptography, e.g. encryption, authentication, key distribution
    • 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
    • H04N21/26606—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 entitlement messages, e.g. Entitlement Control Message [ECM] or Entitlement Management Message [EMM]
    • 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
    • H04N21/4183—External card to be used in combination with the client device, e.g. for conditional access providing its own processing capabilities, e.g. external module for video decoding
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Communication Control (AREA)
  • Storage Device Security (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Buffer Packaging (AREA)
  • Materials For Medical Uses (AREA)
  • Computer And Data Communications (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

A találmány tárgya egy eljárás bitsorkódolt adatáram adására ésvételére, amelynek során a már bitsorkódolt adatáramot egy dekóderheztovábbítjuk, majd ezután a dekóderbe helyezett hordozható biztonságimodulhoz továbbítjuk, és azzal bitsordekódoljuk, és az adatáramot abiztonsági modultól a dekóderhez kódolt formában juttatjuk eldekódolás, majd azt követő felhasználás céljából. Az adatáramkódolására vonatkozó, javasolt eljárást önmagában, vagy a kódolókulcsnak a kibocsátás helyén történő kódolására vonatkozó eljárássalkombináltan alkalmazhatjuk. Ó
HU0100232A 1997-10-02 1998-10-02 Method and apparatus for encrypted data stream transmission HUP0100232A3 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP97402322 1997-10-02
EP98401388 1998-06-09
EP98401389 1998-06-09
PCT/IB1998/001610 WO1999018729A1 (en) 1997-10-02 1998-10-02 Method and apparatus for encrypted data stream transmission

Publications (2)

Publication Number Publication Date
HUP0100232A2 true HUP0100232A2 (hu) 2001-05-28
HUP0100232A3 HUP0100232A3 (en) 2001-10-29

Family

ID=27238734

Family Applications (1)

Application Number Title Priority Date Filing Date
HU0100232A HUP0100232A3 (en) 1997-10-02 1998-10-02 Method and apparatus for encrypted data stream transmission

Country Status (19)

Country Link
US (1) USRE40334E1 (hu)
EP (1) EP1020080B1 (hu)
JP (1) JP2001519629A (hu)
KR (1) KR100672983B1 (hu)
CN (1) CN1171454C (hu)
AT (1) ATE273597T1 (hu)
AU (1) AU748518B2 (hu)
BR (1) BRPI9812703B1 (hu)
CA (1) CA2305644A1 (hu)
DE (1) DE69825611T2 (hu)
ES (1) ES2236937T3 (hu)
HR (1) HRP20000165A2 (hu)
HU (1) HUP0100232A3 (hu)
ID (1) ID23916A (hu)
IL (1) IL135413A0 (hu)
NO (1) NO325610B1 (hu)
PL (1) PL339572A1 (hu)
TR (1) TR200001560T2 (hu)
WO (1) WO1999018729A1 (hu)

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US7415110B1 (en) 1999-03-24 2008-08-19 Intel Corporation Method and apparatus for the generation of cryptographic keys
US7664264B2 (en) 1999-03-24 2010-02-16 Blue Spike, Inc. Utilizing data reduction in steganographic and cryptographic systems
US7336785B1 (en) * 1999-07-09 2008-02-26 Koninklijke Philips Electronics N.V. System and method for copy protecting transmitted information
US7475246B1 (en) 1999-08-04 2009-01-06 Blue Spike, Inc. Secure personal content server
US6920221B1 (en) 1999-08-29 2005-07-19 Intel Corporation Method and apparatus for protected exchange of status and secret values between a video source application and a video hardware interface
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US6731758B1 (en) * 1999-08-29 2004-05-04 Intel Corporation Digital video content transmission ciphering and deciphering method and apparatus
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FR2825877B1 (fr) 2001-06-12 2003-09-19 Canal Plus Technologies Procede de controle d'acces a un programme crypte
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IL155416A0 (en) * 2003-04-13 2003-11-23 Nds Ltd System for securing access to data streams
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EP1492346A1 (fr) * 2003-06-23 2004-12-29 Nagracard S.A. Système de traitement simultané de données d'au moins deux services de télévision à péage
EP1523188A1 (en) 2003-10-06 2005-04-13 Canal + Technologies Portable security module pairing
FR2865592A1 (fr) * 2004-01-28 2005-07-29 Noel Vogt Procede de diffusion securisee de programmes de television, systeme de diffusion, decodeur et support de donnees correspondants.
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Also Published As

Publication number Publication date
CN1171454C (zh) 2004-10-13
NO325610B1 (no) 2008-06-23
KR20010030925A (ko) 2001-04-16
ID23916A (id) 2000-05-25
NO20001649D0 (no) 2000-03-30
PL339572A1 (en) 2000-12-18
CA2305644A1 (en) 1999-04-15
KR100672983B1 (ko) 2007-01-22
USRE40334E1 (en) 2008-05-20
EP1020080B1 (en) 2004-08-11
JP2001519629A (ja) 2001-10-23
BRPI9812703B1 (pt) 2015-12-15
ES2236937T3 (es) 2005-07-16
HUP0100232A3 (en) 2001-10-29
ATE273597T1 (de) 2004-08-15
NO20001649L (no) 2000-06-02
DE69825611T2 (de) 2005-06-30
DE69825611D1 (de) 2004-09-16
EP1020080A1 (en) 2000-07-19
AU9278298A (en) 1999-04-27
WO1999018729A1 (en) 1999-04-15
IL135413A0 (en) 2001-05-20
TR200001560T2 (tr) 2000-12-21
AU748518B2 (en) 2002-06-06
HRP20000165A2 (en) 2001-04-30
CN1280742A (zh) 2001-01-17
BR9812703A (pt) 2000-08-22

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