JP5915046B2 - 情報処理装置、および情報処理方法、並びにプログラム - Google Patents

情報処理装置、および情報処理方法、並びにプログラム Download PDF

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Publication number
JP5915046B2
JP5915046B2 JP2011202184A JP2011202184A JP5915046B2 JP 5915046 B2 JP5915046 B2 JP 5915046B2 JP 2011202184 A JP2011202184 A JP 2011202184A JP 2011202184 A JP2011202184 A JP 2011202184A JP 5915046 B2 JP5915046 B2 JP 5915046B2
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JP
Japan
Prior art keywords
content
block
information
expiration date
usage control
Prior art date
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Expired - Fee Related
Application number
JP2011202184A
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English (en)
Japanese (ja)
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JP2013065953A5 (https=
JP2013065953A (ja
Inventor
久野　浩
浩 久野
隆道 林
隆道 林
義行 小林
義行 小林
克美 村松
克美 村松
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Sony Corp
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Sony Corp
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Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Priority to JP2011202184A priority Critical patent/JP5915046B2/ja
Priority to US13/556,301 priority patent/US9684772B2/en
Priority to EP12181131.9A priority patent/EP2571026B1/en
Priority to KR1020120098650A priority patent/KR20130029718A/ko
Priority to CN2012103313831A priority patent/CN103117073A/zh
Publication of JP2013065953A publication Critical patent/JP2013065953A/ja
Publication of JP2013065953A5 publication Critical patent/JP2013065953A5/ja
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Expired - Fee Related legal-status Critical Current
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Classifications

    • 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
    • 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
    • G11B20/00217—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 the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
    • G11B20/00253—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 the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier
    • G11B20/00297—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 the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier the key being stored in a management area, e.g. the video manager [VMG] of a DVD
    • 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]
    • 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
    • G11B20/0084—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 time or date
    • 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
    • G11B20/00855—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a step of exchanging information with a remote server
    • G11B20/00862—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a step of exchanging information with a remote server wherein the remote server can grant the permission to use a content
    • 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
    • G11B20/10—Digital recording or reproducing
    • 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
    • H04N21/266—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
    • 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
    • H04N21/4184—External card to be used in combination with the client device, e.g. for conditional access providing storage capabilities, e.g. memory stick
    • 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
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44204—Monitoring of content usage, e.g. the number of times a movie has been viewed, copied or the amount which has been watched
    • 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
    • G06F2221/2137—Time limited access, e.g. to a computer or data
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/60—Solid state media
    • G11B2220/61—Solid state media wherein solid state memory is used for storing A/V content
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2463/00—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00
    • H04L2463/101—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00 applying security measures for digital rights management
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Databases & Information Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Technology Law (AREA)
  • Storage Device Security (AREA)
  • Television Signal Processing For Recording (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
JP2011202184A 2011-09-15 2011-09-15 情報処理装置、および情報処理方法、並びにプログラム Expired - Fee Related JP5915046B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2011202184A JP5915046B2 (ja) 2011-09-15 2011-09-15 情報処理装置、および情報処理方法、並びにプログラム
US13/556,301 US9684772B2 (en) 2011-09-15 2012-07-24 Information processing apparatus, information processing method and program
EP12181131.9A EP2571026B1 (en) 2011-09-15 2012-08-21 Authenticating Memory Card with flag indicating validity period in unprotected user area common for a block of subscription files.
KR1020120098650A KR20130029718A (ko) 2011-09-15 2012-09-06 정보 처리 장치, 정보 처리 방법 및 프로그램
CN2012103313831A CN103117073A (zh) 2011-09-15 2012-09-07 信息处理设备、信息处理方法和程序

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011202184A JP5915046B2 (ja) 2011-09-15 2011-09-15 情報処理装置、および情報処理方法、並びにプログラム

Publications (3)

Publication Number Publication Date
JP2013065953A JP2013065953A (ja) 2013-04-11
JP2013065953A5 JP2013065953A5 (https=) 2014-09-25
JP5915046B2 true JP5915046B2 (ja) 2016-05-11

Family

ID=47010210

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011202184A Expired - Fee Related JP5915046B2 (ja) 2011-09-15 2011-09-15 情報処理装置、および情報処理方法、並びにプログラム

Country Status (5)

Country Link
US (1) US9684772B2 (https=)
EP (1) EP2571026B1 (https=)
JP (1) JP5915046B2 (https=)
KR (1) KR20130029718A (https=)
CN (1) CN103117073A (https=)

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CN104660589B (zh) * 2015-01-20 2021-09-10 中兴通讯股份有限公司 一种对信息进行加密控制、解析信息的方法、系统和终端
CN104994499B (zh) * 2015-05-20 2019-01-22 努比亚技术有限公司 信息处理方法及装置
JP6515741B2 (ja) * 2015-08-27 2019-05-22 沖電気工業株式会社 コンテンツ伝送システム、送信装置、送信方法、送信プログラム
JP5979696B1 (ja) * 2016-01-15 2016-08-24 株式会社 ゼウス データ伝送システム及び伝送用データの送受信方法
JP2019009609A (ja) * 2017-06-23 2019-01-17 カシオ計算機株式会社 無線通信装置、通信システム、無線通信方法及び無線通信プログラム
US10476879B2 (en) 2017-07-26 2019-11-12 International Business Machines Corporation Blockchain authentication via hard/soft token verification
CN113010817B (zh) * 2019-12-18 2024-05-10 深圳市雅阅科技有限公司 内容有效期的调整方法、装置、服务器及存储介质
CA3197782A1 (en) * 2020-11-10 2022-05-19 Michael ATEF AYOUB Identification and authentication of multiple controllers
CN114676394B (zh) * 2022-03-21 2025-09-23 杭州海康机器人股份有限公司 加密方法、装置及电子设备

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Also Published As

Publication number Publication date
EP2571026A2 (en) 2013-03-20
US20130073866A1 (en) 2013-03-21
US9684772B2 (en) 2017-06-20
CN103117073A (zh) 2013-05-22
EP2571026A3 (en) 2013-09-11
EP2571026B1 (en) 2015-11-04
JP2013065953A (ja) 2013-04-11
KR20130029718A (ko) 2013-03-25

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