JP4663628B2 - データ転送保護方法及び装置 - Google Patents
データ転送保護方法及び装置 Download PDFInfo
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- JP4663628B2 JP4663628B2 JP2006509171A JP2006509171A JP4663628B2 JP 4663628 B2 JP4663628 B2 JP 4663628B2 JP 2006509171 A JP2006509171 A JP 2006509171A JP 2006509171 A JP2006509171 A JP 2006509171A JP 4663628 B2 JP4663628 B2 JP 4663628B2
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- Prior art keywords
- key
- mating key
- content
- top box
- mating
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- 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
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
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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
- H04N21/41—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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
- G06Q20/36—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using electronic wallets or electronic money safes
- G06Q20/367—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using electronic wallets or electronic money safes involving electronic purses or money safes
- G06Q20/3674—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using electronic wallets or electronic money safes involving electronic purses or money safes involving authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/22—Arrangements for preventing the taking of data from a data transmission channel without authorisation
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- 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
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
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- 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
- H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
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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
- H04N21/254—Management at additional data server, e.g. shopping server, rights management server
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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
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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
- H04N21/266—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]
- H04N21/20—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
- H04N21/26613—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 keys in general
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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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4135—Peripherals receiving signals from specially adapted client devices external recorder
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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
- H04N21/45—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
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
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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
- H04N21/47—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
- H04N21/47211—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 pay-per-view content
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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]
- H04N21/60—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
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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
- H04N7/162—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
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
- H04N7/17309—Transmission or handling of upstream communications
- H04N7/17318—Direct or substantially direct transmission and handling of requests
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Databases & Information Systems (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Finance (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Strategic Management (AREA)
- Physics & Mathematics (AREA)
- General Business, Economics & Management (AREA)
- General Physics & Mathematics (AREA)
- Computer Graphics (AREA)
- Computing Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Storage Device Security (AREA)
Description
Claims (4)
- セキュアなコンテンツ配信システムにおいて、
固有鍵を有し、番組データの要求を開始するセットトップボックスを備え、
上記要求は、上記セットトップボックスの固有の識別子についての情報を含んでおり、
さらに、セキュアなコンテンツ配信システムは、
上記セットトップボックス及びリモートソースと通信する条件付アクセス制御装置を備え、
上記条件付アクセス制御装置は、上記固有の識別子及びメイティング鍵ジェネレータを含む情報を上記リモートソースに送信し、それに応じて、送信した当該固有の識別子及び当該メイティング鍵ジェネレータに基づくメイティング鍵を上記リモートソースから受信し、
上記メイティング鍵は、上記セットトップボックスへの伝送の前に上記番組データをスクランブルするために使用される制御ワードを暗号化するために用いられ、
上記条件付アクセス制御装置は、上記メイティング鍵ジェネレータ及び暗号化されている上記制御ワードを上記セットトップボックスに送信し、
上記セットトップボックスは、上記固有鍵及び上記メイティング鍵ジェネレータから上記メイティング鍵を作成し、上記暗号化されている上記制御ワードを当該メイティング鍵を用いてデスクランブルすることを特徴とするセキュアなコンテンツ配信システム。 - 上記メイティング鍵ジェネレータは、当該メイティング鍵ジェネレータから上記メイティング鍵を取り出すために、上記セットトップボックスの製造者と関連付けられている、複数のサーバのうちの一つを識別する製造者識別子を含んでいることを特徴とする請求項1記載のセキュアなコンテンツ配信システム。
- 上記メイティング鍵ジェネレータは、上記メイティング鍵の期限切れを示すために使用されるメイティング鍵シーケンス番号を含んでいることを特徴とする請求項2記載のセキュアなコンテンツ配信システム。
- 上記メイティング鍵ジェネレータは、ケーブルテレビプロバイダ、地上波放送プロバイダ、衛星放送プロバイダ、及びインターネットサービスプロバイダのうちの一つである上記番組データの供給者を識別する識別子を含んでいることを特徴とする請求項1記載のセキュアなコンテンツ配信システム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/387,163 US7730300B2 (en) | 1999-03-30 | 2003-03-11 | Method and apparatus for protecting the transfer of data |
PCT/US2004/006767 WO2004082147A2 (en) | 2003-03-11 | 2004-03-05 | Method and apparatus for protecting the transfer of data |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010252627A Division JP2011041327A (ja) | 2003-03-11 | 2010-11-11 | データ転送保護方法及び装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007525052A JP2007525052A (ja) | 2007-08-30 |
JP4663628B2 true JP4663628B2 (ja) | 2011-04-06 |
Family
ID=32987327
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006509171A Expired - Fee Related JP4663628B2 (ja) | 2003-03-11 | 2004-03-05 | データ転送保護方法及び装置 |
JP2010252627A Pending JP2011041327A (ja) | 2003-03-11 | 2010-11-11 | データ転送保護方法及び装置 |
JP2013012607A Expired - Fee Related JP5577416B2 (ja) | 2003-03-11 | 2013-01-08 | データ転送保護方法及び装置 |
JP2013096775A Expired - Fee Related JP5629348B2 (ja) | 2003-03-11 | 2013-05-02 | データ転送保護方法及び装置 |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010252627A Pending JP2011041327A (ja) | 2003-03-11 | 2010-11-11 | データ転送保護方法及び装置 |
JP2013012607A Expired - Fee Related JP5577416B2 (ja) | 2003-03-11 | 2013-01-08 | データ転送保護方法及び装置 |
JP2013096775A Expired - Fee Related JP5629348B2 (ja) | 2003-03-11 | 2013-05-02 | データ転送保護方法及び装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7730300B2 (ja) |
EP (1) | EP1618666B1 (ja) |
JP (4) | JP4663628B2 (ja) |
KR (2) | KR20050118176A (ja) |
WO (1) | WO2004082147A2 (ja) |
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JP2011041327A (ja) | 2011-02-24 |
EP1618666A2 (en) | 2006-01-25 |
JP5577416B2 (ja) | 2014-08-20 |
KR101081160B1 (ko) | 2011-11-07 |
JP5629348B2 (ja) | 2014-11-19 |
KR20050118176A (ko) | 2005-12-15 |
KR20110099067A (ko) | 2011-09-05 |
JP2013169000A (ja) | 2013-08-29 |
WO2004082147A3 (en) | 2006-12-21 |
WO2004082147A2 (en) | 2004-09-23 |
EP1618666B1 (en) | 2018-11-14 |
JP2007525052A (ja) | 2007-08-30 |
US7730300B2 (en) | 2010-06-01 |
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