JP4725070B2 - 正規コンテンツ確認方法、コンテンツ送受信システム、送信機、および受信機 - Google Patents

正規コンテンツ確認方法、コンテンツ送受信システム、送信機、および受信機 Download PDF

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Publication number
JP4725070B2
JP4725070B2 JP2004298722A JP2004298722A JP4725070B2 JP 4725070 B2 JP4725070 B2 JP 4725070B2 JP 2004298722 A JP2004298722 A JP 2004298722A JP 2004298722 A JP2004298722 A JP 2004298722A JP 4725070 B2 JP4725070 B2 JP 4725070B2
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JP
Japan
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content
update information
unit
receiver
key
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Expired - Lifetime
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JP2004298722A
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English (en)
Japanese (ja)
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JP2006115083A5 (enExample
JP2006115083A (ja
Inventor
綾子 高辻
裕之 飯塚
直司 臼木
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.)
Panasonic Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
Matsushita Electric Industrial Co Ltd
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Priority to JP2004298722A priority Critical patent/JP4725070B2/ja
Application filed by Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Priority to KR1020077008199A priority patent/KR20070063534A/ko
Priority to US11/577,115 priority patent/US8510844B2/en
Priority to CN2005800343886A priority patent/CN101036341B/zh
Priority to EP05793204.8A priority patent/EP1802025B1/en
Priority to PCT/JP2005/018777 priority patent/WO2006041082A1/ja
Publication of JP2006115083A publication Critical patent/JP2006115083A/ja
Publication of JP2006115083A5 publication Critical patent/JP2006115083A5/ja
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Publication of JP4725070B2 publication Critical patent/JP4725070B2/ja
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Expired - Lifetime legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • 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
    • 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
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0838—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these
    • H04L9/0841—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these involving Diffie-Hellman or related key agreement protocols
    • H04L9/0844—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these involving Diffie-Hellman or related key agreement protocols with user authentication or key authentication, e.g. ElGamal, MTI, MQV-Menezes-Qu-Vanstone protocol or Diffie-Hellman protocols using implicitly-certified keys
    • 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
    • H04L9/3271—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 using challenge-response
    • 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
    • H04N21/2541—Rights Management
    • 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
    • H04N21/25816—Management of client data involving client authentication
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/835—Generation of protective data, e.g. certificates
    • 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
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F2221/2129—Authenticate client device independently of the user
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00485—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
    • G11B20/00492—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein content or user data is encrypted
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G11B20/00746—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number
    • G11B20/00753—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags
    • G11B20/00768—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags wherein copy control information is used, e.g. for indicating whether a content may be copied freely, no more, once, or never, by setting CGMS, SCMS, or CCI flags
    • G11B20/00775—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags wherein copy control information is used, e.g. for indicating whether a content may be copied freely, no more, once, or never, by setting CGMS, SCMS, or CCI flags wherein said copy control information is encoded in an encryption mode indicator [EMI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/60—Digital content management, e.g. content distribution

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computer Graphics (AREA)
  • Technology Law (AREA)
  • Storage Device Security (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Information Transfer Between Computers (AREA)
JP2004298722A 2004-10-13 2004-10-13 正規コンテンツ確認方法、コンテンツ送受信システム、送信機、および受信機 Expired - Lifetime JP4725070B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2004298722A JP4725070B2 (ja) 2004-10-13 2004-10-13 正規コンテンツ確認方法、コンテンツ送受信システム、送信機、および受信機
US11/577,115 US8510844B2 (en) 2004-10-13 2005-10-12 Authorized content verification method, content transmission/reception system, transmitter, and receiver
CN2005800343886A CN101036341B (zh) 2004-10-13 2005-10-12 正规内容确认系统
EP05793204.8A EP1802025B1 (en) 2004-10-13 2005-10-12 Regular content check method, content transmission/reception system, transmitter, and receiver
KR1020077008199A KR20070063534A (ko) 2004-10-13 2005-10-12 정규 콘텐츠 확인방법, 콘텐츠 송수신시스템, 송신기 및 수신기
PCT/JP2005/018777 WO2006041082A1 (ja) 2004-10-13 2005-10-12 正規コンテンツ確認システム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004298722A JP4725070B2 (ja) 2004-10-13 2004-10-13 正規コンテンツ確認方法、コンテンツ送受信システム、送信機、および受信機

Publications (3)

Publication Number Publication Date
JP2006115083A JP2006115083A (ja) 2006-04-27
JP2006115083A5 JP2006115083A5 (enExample) 2007-11-22
JP4725070B2 true JP4725070B2 (ja) 2011-07-13

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JP2004298722A Expired - Lifetime JP4725070B2 (ja) 2004-10-13 2004-10-13 正規コンテンツ確認方法、コンテンツ送受信システム、送信機、および受信機

Country Status (6)

Country Link
US (1) US8510844B2 (enExample)
EP (1) EP1802025B1 (enExample)
JP (1) JP4725070B2 (enExample)
KR (1) KR20070063534A (enExample)
CN (1) CN101036341B (enExample)
WO (1) WO2006041082A1 (enExample)

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JP2007043475A (ja) * 2005-08-03 2007-02-15 Sony Corp 情報通信システム、情報通信装置及び情報通信方法、並びにコンピュータ・プログラム
KR100858975B1 (ko) * 2006-10-30 2008-09-17 한국전자통신연구원 전자감시 방법 및 그 시스템
US8606862B2 (en) * 2007-08-21 2013-12-10 Microsoft Corporation Electronic mail delay adaptation
US8909714B2 (en) * 2007-08-21 2014-12-09 Microsoft Corporation Electronic mail delay adaptation
US8706819B2 (en) * 2007-08-21 2014-04-22 Microsoft Corporation Electronic mail delay adaptation
DE102007056788A1 (de) * 2007-11-23 2009-06-10 T-Mobile Internationale Ag Verfahren zum Zugang zu geschlossenen Gruppen in Radiozugangsnetzen
US20120137137A1 (en) 2010-11-30 2012-05-31 Brickell Ernest F Method and apparatus for key provisioning of hardware devices
CN102663297A (zh) * 2012-04-06 2012-09-12 天地融科技股份有限公司 一种字模获取方法、字符显示装置和系统，电子签名工具
JP6112874B2 (ja) * 2013-01-21 2017-04-12 キヤノン株式会社 通信装置、通信装置の制御方法、および、プログラム
US20150039752A1 (en) * 2013-07-30 2015-02-05 Edward Hague Advanced BACNet router
JP6433951B2 (ja) * 2016-08-09 2018-12-05 東芝デジタルソリューションズ株式会社 ネットワーク監視装置およびプログラム
US11075887B2 (en) * 2016-10-24 2021-07-27 Arm Ip Limited Federating data inside of a trusted execution environment
CN112688922B (zh) * 2020-12-11 2024-07-12 深圳前海微众银行股份有限公司 数据传输方法、系统、设备及介质

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ES2158081T3 (es) * 1994-01-13 2001-09-01 Certco Inc Sistema criptografico y metodo con caracteristica de deposito de claves.
US20010011253A1 (en) * 1998-08-04 2001-08-02 Christopher D. Coley Automated system for management of licensed software
JPH10145354A (ja) * 1996-11-14 1998-05-29 Nippon Telegr & Teleph Corp <Ntt> 機能遠隔変更方法
JP4731034B2 (ja) * 2000-04-06 2011-07-20 パナソニック株式会社 著作物保護システム、暗号化装置、復号化装置および記録媒体
DE60106802T2 (de) * 2000-04-06 2005-03-10 Matsushita Electric Industrial Co., Ltd., Kadoma Urheberrechtsschutzsystem, Verschlüsselungsvorrichtung, Entschlüsselungsvorrichtung und Aufzeichnungsmedium
US7552333B2 (en) * 2000-08-04 2009-06-23 First Data Corporation Trusted authentication digital signature (tads) system
JP4710132B2 (ja) * 2000-12-26 2011-06-29 ソニー株式会社 情報処理システム、および情報処理方法、並びにプログラム記録媒体
JP2002207639A (ja) * 2001-01-09 2002-07-26 Sony Corp コンテンツ並びにその処理方法及びその処理装置
US20040047308A1 (en) 2002-08-16 2004-03-11 Alan Kavanagh Secure signature in GPRS tunnelling protocol (GTP)
JP2004157864A (ja) * 2002-11-07 2004-06-03 Canon Inc コンテンツ配信システム
US7584353B2 (en) * 2003-09-12 2009-09-01 Trimble Navigation Limited Preventing unauthorized distribution of media content within a global network
US7475322B2 (en) * 2003-11-14 2009-01-06 Avocent Huntsville Corporation Wireless broadcast protocol

Also Published As

Publication number Publication date
KR20070063534A (ko) 2007-06-19
US8510844B2 (en) 2013-08-13
EP1802025A4 (en) 2011-12-14
EP1802025A1 (en) 2007-06-27
JP2006115083A (ja) 2006-04-27
CN101036341A (zh) 2007-09-12
EP1802025B1 (en) 2013-04-10
WO2006041082A1 (ja) 2006-04-20
CN101036341B (zh) 2010-04-21
US20080244698A1 (en) 2008-10-02

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