JP2003521718A - 条件付きアクセスシステムにおけるダウンロード情報のソース認証 - Google Patents

条件付きアクセスシステムにおけるダウンロード情報のソース認証

Info

Publication number
JP2003521718A
JP2003521718A JP2000505743A JP2000505743A JP2003521718A JP 2003521718 A JP2003521718 A JP 2003521718A JP 2000505743 A JP2000505743 A JP 2000505743A JP 2000505743 A JP2000505743 A JP 2000505743A JP 2003521718 A JP2003521718 A JP 2003521718A
Authority
JP
Japan
Prior art keywords
information
emm
dhct
registration
service
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.)
Withdrawn
Application number
JP2000505743A
Other languages
English (en)
Japanese (ja)
Inventor
グレンドン エル．， ザ サード エイキンズ，
ロバート オー． バンカー，
マイケル エス． パルゴン，
ハワード ジー． ピンダー，
アンソニー ジェイ． ワシルースキー，
Original Assignee
サイエンティフィック−アトランタ， インコーポレイテッド
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 サイエンティフィック−アトランタ， インコーポレイテッド filed Critical サイエンティフィック−アトランタ， インコーポレイテッド
Publication of JP2003521718A publication Critical patent/JP2003521718A/ja
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H04L63/0442—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 wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption
    • 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
    • H04L63/045—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 wherein the sending and receiving network entities apply hybrid encryption, i.e. combination of symmetric and asymmetric encryption
    • 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
    • H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • H04L63/062—Network architectures or network communication protocols for network security for supporting key management in a packet data network for key distribution, e.g. centrally by trusted party
    • 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
    • H04N21/21—Server components or server architectures
    • H04N21/226—Characteristics of the server or Internal components of the server
    • H04N21/2265—Server identification by a unique number or address, e.g. serial number
    • 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
    • H04N21/43—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
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/4508—Management of client data or end-user data
    • H04N21/4524—Management of client data or end-user data involving the geographical location of the client
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
JP2000505743A 1997-08-01 1998-07-31 条件付きアクセスシステムにおけるダウンロード情報のソース認証 Withdrawn JP2003521718A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US5457597P 1997-08-01 1997-08-01
US60/054,575 1997-08-01
US12715298A 1998-07-31 1998-07-31
PCT/US1998/016040 WO1999007149A1 (en) 1997-08-01 1998-07-31 Source authentication of download information in a conditional access system
US09/127,152 1998-07-31

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2005082792A Division JP2005245010A (ja) 1997-08-01 2005-03-22 条件付きアクセスシステムにおけるダウンロード情報のソース認証

Publications (1)

Publication Number Publication Date
JP2003521718A true JP2003521718A (ja) 2003-07-15

Family

ID=26733214

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2000505743A Withdrawn JP2003521718A (ja) 1997-08-01 1998-07-31 条件付きアクセスシステムにおけるダウンロード情報のソース認証
JP2005082792A Pending JP2005245010A (ja) 1997-08-01 2005-03-22 条件付きアクセスシステムにおけるダウンロード情報のソース認証

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2005082792A Pending JP2005245010A (ja) 1997-08-01 2005-03-22 条件付きアクセスシステムにおけるダウンロード情報のソース認証

Country Status (6)

Country Link
EP (1) EP1013091B1 (enExample)
JP (2) JP2003521718A (enExample)
AU (1) AU8764298A (enExample)
BR (1) BR9815606A (enExample)
DE (1) DE69808113T2 (enExample)
WO (1) WO1999007149A1 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1189439A3 (en) * 1997-08-01 2009-04-22 Scientific-Atlanta, Inc. Source authentication of download information in a conditional access system
US6256393B1 (en) 1998-06-23 2001-07-03 General Instrument Corporation Authorization and access control of software object residing in set-top terminals
JP2000286836A (ja) * 1999-03-30 2000-10-13 Fujitsu Ltd 認証装置および記録媒体
AU6519600A (en) * 1999-08-10 2001-03-05 Intel Corporation System and method for securely distributing content to groups of receivers
US20010010720A1 (en) * 1999-11-12 2001-08-02 Kimball Bridget D. Multiple signature authentication in conditional access systems
EP1109405A1 (en) * 1999-12-16 2001-06-20 CANAL+ Société Anonyme Communication with receiver/decoder
JP2001177814A (ja) * 1999-12-21 2001-06-29 Mitsubishi Electric Corp 限定受信システム
FR2812781A1 (fr) * 2000-08-04 2002-02-08 Thomson Multimedia Sa Methode de distribution securisee de donnees numeriques representatives d'un contenu multimedia
KR100945650B1 (ko) 2007-12-05 2010-03-04 한국전자통신연구원 보안모듈 프로그램을 보호하기 위한 디지털 케이블 시스템및 그 방법
KR100936885B1 (ko) 2007-12-10 2010-01-14 한국전자통신연구원 다운로드 가능한 제한수신시스템에서의 상호 인증 방법 및그 장치

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5343527A (en) * 1993-10-27 1994-08-30 International Business Machines Corporation Hybrid encryption method and system for protecting reusable software components
US5590202A (en) * 1995-01-18 1996-12-31 Zenith Electronics Corporation Countdown system for conditional access module
US5625693A (en) * 1995-07-07 1997-04-29 Thomson Consumer Electronics, Inc. Apparatus and method for authenticating transmitting applications in an interactive TV system
JP2000502857A (ja) * 1995-12-29 2000-03-07 サイエンティフィック―アトランタ・インコーポレーテッド 多数のサービス・プロバイダを備えた接続指向双方向ネットワークにおいて条件付アクセスを与える方法および装置

Also Published As

Publication number Publication date
WO1999007149A1 (en) 1999-02-11
AU8764298A (en) 1999-02-22
EP1013091A1 (en) 2000-06-28
EP1013091B1 (en) 2002-09-18
DE69808113D1 (de) 2002-10-24
BR9815606A (pt) 2002-01-22
DE69808113T2 (de) 2003-05-22
JP2005245010A (ja) 2005-09-08

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