WO2009028513A1 - コンテンツの公開システム及び該システムにおける公開コンテンツの保証方法 - Google Patents
コンテンツの公開システム及び該システムにおける公開コンテンツの保証方法 Download PDFInfo
- Publication number
- WO2009028513A1 WO2009028513A1 PCT/JP2008/065216 JP2008065216W WO2009028513A1 WO 2009028513 A1 WO2009028513 A1 WO 2009028513A1 JP 2008065216 W JP2008065216 W JP 2008065216W WO 2009028513 A1 WO2009028513 A1 WO 2009028513A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- content
- signed
- validity
- modification
- guaranteeing
- Prior art date
Links
- 238000012986 modification Methods 0.000 abstract 4
- 230000004048 modification Effects 0.000 abstract 4
- 238000012795 verification Methods 0.000 abstract 2
- 238000011084 recovery Methods 0.000 abstract 1
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]
- H04N21/20—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
- 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
- H04L9/3247—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 involving digital signatures
-
- 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]
- H04N21/60—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
- H04N21/61—Network physical structure; Signal processing
- H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
- H04N21/6125—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via Internet
-
- 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
- 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
- H04N21/8355—Generation of protective data, e.g. certificates involving usage data, e.g. number of copies or viewings allowed
- H04N21/83555—Generation of protective data, e.g. certificates involving usage data, e.g. number of copies or viewings allowed using a structured language for describing usage rules of the content, e.g. REL
-
- 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
- H04N21/84—Generation or processing of descriptive data, e.g. content descriptors
- H04N21/8402—Generation or processing of descriptive data, e.g. content descriptors involving a version number, e.g. version number of EPG data
-
- 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)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- Storage Device Security (AREA)
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/674,465 US20110126020A1 (en) | 2007-08-29 | 2008-08-26 | Content disclosure system and method for guaranteeing disclosed contents in the system |
JP2009530132A JP5471444B2 (ja) | 2007-08-29 | 2008-08-26 | コンテンツの公開システム及び該システムにおける公開コンテンツの保証方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007222093 | 2007-08-29 | ||
JP2007-222093 | 2007-08-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009028513A1 true WO2009028513A1 (ja) | 2009-03-05 |
Family
ID=40387232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/065216 WO2009028513A1 (ja) | 2007-08-29 | 2008-08-26 | コンテンツの公開システム及び該システムにおける公開コンテンツの保証方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20110126020A1 (ja) |
JP (1) | JP5471444B2 (ja) |
WO (1) | WO2009028513A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017138842A (ja) * | 2016-02-04 | 2017-08-10 | 株式会社デンソー | データ保全装置 |
WO2021245807A1 (ja) * | 2020-06-02 | 2021-12-09 | 日本電気株式会社 | 署名検証システム、署名装置、署名検証方法、およびプログラム |
US11943339B2 (en) | 2019-02-22 | 2024-03-26 | Sony Group Corporation | Information processing apparatus, information processing method, and program |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2953045A1 (en) * | 2014-06-05 | 2015-12-09 | Thomson Licensing | Apparatus and method for data taint tracking |
US10326753B2 (en) * | 2016-06-23 | 2019-06-18 | International Business Machines Corporation | Authentication via revocable signatures |
US10404455B2 (en) * | 2017-09-01 | 2019-09-03 | Accenture Global Solutions Limited | Multiple-phase rewritable blockchain |
EP3460700A1 (en) * | 2017-09-22 | 2019-03-27 | Banco Bilbao Vizcaya Argentaria, S.A. | Authentication of software update modules using chameleon hashing. |
CN110727956B (zh) * | 2019-10-11 | 2023-03-31 | 陕西师范大学 | 结合码本扩展和题干哈希的双认证试题备份伪装方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0628403A (ja) * | 1992-07-09 | 1994-02-04 | Mitsubishi Electric Corp | 文書検索装置 |
JPH06224896A (ja) * | 1992-12-03 | 1994-08-12 | Hitachi Ltd | 電子化文書処理システムおよびディジタル署名の生成方法 |
JPH0774940A (ja) * | 1993-09-01 | 1995-03-17 | Ricoh Co Ltd | 機密文書用画像形成装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5465299A (en) * | 1992-12-03 | 1995-11-07 | Hitachi, Ltd. | Electronic document processing system and method of forming digital signature |
JP2004364070A (ja) * | 2003-06-06 | 2004-12-24 | Hitachi Ltd | マスキング可能な署名技術を用いた電子文書管理システム |
JP2006155279A (ja) * | 2004-11-30 | 2006-06-15 | Canon Software Inc | 情報処理システムおよび電子文書安全化方法およびプログラムおよび記録媒体 |
-
2008
- 2008-08-26 WO PCT/JP2008/065216 patent/WO2009028513A1/ja active Application Filing
- 2008-08-26 US US12/674,465 patent/US20110126020A1/en not_active Abandoned
- 2008-08-26 JP JP2009530132A patent/JP5471444B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0628403A (ja) * | 1992-07-09 | 1994-02-04 | Mitsubishi Electric Corp | 文書検索装置 |
JPH06224896A (ja) * | 1992-12-03 | 1994-08-12 | Hitachi Ltd | 電子化文書処理システムおよびディジタル署名の生成方法 |
JPH0774940A (ja) * | 1993-09-01 | 1995-03-17 | Ricoh Co Ltd | 機密文書用画像形成装置 |
Non-Patent Citations (1)
Title |
---|
MIYAZAKI: "Denshi bunsho kuronuri mondai", IEICE TECHNICAL REPORT (ISEC2003-12-29), vol. 103, no. 105, 17 July 2003 (2003-07-17), pages 61 - 67 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017138842A (ja) * | 2016-02-04 | 2017-08-10 | 株式会社デンソー | データ保全装置 |
US11943339B2 (en) | 2019-02-22 | 2024-03-26 | Sony Group Corporation | Information processing apparatus, information processing method, and program |
JP7476876B2 (ja) | 2019-02-22 | 2024-05-01 | ソニーグループ株式会社 | 情報処理装置、情報処理方法、及びプログラム |
WO2021245807A1 (ja) * | 2020-06-02 | 2021-12-09 | 日本電気株式会社 | 署名検証システム、署名装置、署名検証方法、およびプログラム |
JP7405253B2 (ja) | 2020-06-02 | 2023-12-26 | 日本電気株式会社 | 署名検証システム、署名装置、署名検証方法、およびプログラム |
Also Published As
Publication number | Publication date |
---|---|
JP5471444B2 (ja) | 2014-04-16 |
US20110126020A1 (en) | 2011-05-26 |
JPWO2009028513A1 (ja) | 2010-12-02 |
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