[go: up one dir, main page]

JP2010532024A - 信頼されたホスト装置から時間を使用するメモリ装置とその装置で使用する方法 - Google Patents

信頼されたホスト装置から時間を使用するメモリ装置とその装置で使用する方法 Download PDF

Info

Publication number
JP2010532024A
JP2010532024A JP2010511336A JP2010511336A JP2010532024A JP 2010532024 A JP2010532024 A JP 2010532024A JP 2010511336 A JP2010511336 A JP 2010511336A JP 2010511336 A JP2010511336 A JP 2010511336A JP 2010532024 A JP2010532024 A JP 2010532024A
Authority
JP
Japan
Prior art keywords
time
memory device
host device
host
module
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.)
Pending
Application number
JP2010511336A
Other languages
English (en)
Japanese (ja)
Inventor
エム． コンレー，ケビン
ホルツマン，マイケル
セラ，ロッテム
バージライ，ロン
イー． ジョガンド−クーロン，ファブリス
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.)
SanDisk Corp
Original Assignee
SanDisk Corp
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
Priority claimed from US11/811,345 external-priority patent/US20080307507A1/en
Priority claimed from US11/811,346 external-priority patent/US8869288B2/en
Application filed by SanDisk Corp filed Critical SanDisk Corp
Publication of JP2010532024A publication Critical patent/JP2010532024A/ja
Pending legal-status Critical Current

Links

Images

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
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G06F21/107—License processing; Key processing
    • G06F21/1076—Revocation
    • 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
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
    • G06F21/72—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information in cryptographic circuits
    • G06F21/725—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information in cryptographic circuits operating on a secure reference time value
    • 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]
    • 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
    • H04N21/4627—Rights management associated to the content

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • General Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Mathematical Physics (AREA)
  • Signal Processing (AREA)
  • Technology Law (AREA)
  • Storage Device Security (AREA)
  • Computer And Data Communications (AREA)
JP2010511336A 2007-06-08 2008-06-05 信頼されたホスト装置から時間を使用するメモリ装置とその装置で使用する方法 Pending JP2010532024A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/811,345 US20080307507A1 (en) 2007-06-08 2007-06-08 Memory device using time from a trusted host device
US11/811,346 US8869288B2 (en) 2007-06-08 2007-06-08 Method for using time from a trusted host device
PCT/US2008/065970 WO2008154309A1 (en) 2007-06-08 2008-06-05 Memory device using the time from a trusted host device and method for use therewith

Publications (1)

Publication Number Publication Date
JP2010532024A true JP2010532024A (ja) 2010-09-30

Family

ID=39674859

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010511336A Pending JP2010532024A (ja) 2007-06-08 2008-06-05 信頼されたホスト装置から時間を使用するメモリ装置とその装置で使用する方法

Country Status (6)

Country Link
EP (1) EP2156358A1 (zh)
JP (1) JP2010532024A (zh)
KR (1) KR20100041734A (zh)
CN (1) CN101816003A (zh)
TW (1) TWI386947B (zh)
WO (1) WO2008154309A1 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011081764A (ja) * 2009-09-14 2011-04-21 Panasonic Corp コンテンツ受信機、コンテンツ再生機、コンテンツ再生システム、コンテンツ書き出し方法、視聴期限判定方法、プログラム、および記録媒体
JP5956430B2 (ja) * 2011-05-09 2016-07-27 パナソニック株式会社 コンテンツ管理システム、管理サーバ、記録媒体装置及びコンテンツ管理方法
CN109151160B (zh) * 2018-06-26 2021-04-13 Oppo广东移动通信有限公司 通信方法、装置、移动终端及存储介质
SE546243C2 (en) * 2022-11-04 2024-09-10 Assa Abloy Ab Method and mobile device for providing a time reading

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005301333A (ja) * 2004-04-06 2005-10-27 Hitachi Global Storage Technologies Netherlands Bv 利用時間制限機能を備えた磁気ディスク装置
WO2006018864A1 (ja) * 2004-08-17 2006-02-23 Mitsubishi Denki Kabushiki Kaisha 記憶装置および記憶方法
JP2006350496A (ja) * 2005-06-14 2006-12-28 Hitachi Global Storage Technologies Netherlands Bv 記憶装置及び記憶装置のアクセス制御方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4169942B2 (ja) * 2001-02-27 2008-10-22 インターナショナル・ビジネス・マシーンズ・コーポレーション コンテンツ利用方法、コンテンツ配信方法、コンテンツ配信システムおよびプログラム
US7134144B2 (en) * 2001-03-01 2006-11-07 Microsoft Corporation Detecting and responding to a clock rollback in a digital rights management system on a computing device
US20030069854A1 (en) * 2001-10-09 2003-04-10 Hsu Michael M. Expiring content on playback devices
EP1597905A1 (en) * 2003-02-20 2005-11-23 Ase R & D Europe Method for offering time on smart card and method for time registration by means of mobile communication device
JP2004326278A (ja) * 2003-04-23 2004-11-18 Renesas Technology Corp 不揮発性記憶装置及びデータ処理装置
JP2005063079A (ja) * 2003-08-11 2005-03-10 Matsushita Electric Ind Co Ltd メモリカード装置、権利管理システムおよび時間管理方法
US8327448B2 (en) * 2005-06-22 2012-12-04 Intel Corporation Protected clock management based upon a non-trusted persistent time source
US20070043667A1 (en) * 2005-09-08 2007-02-22 Bahman Qawami Method for secure storage and delivery of media content
DE102005050352B4 (de) * 2005-10-20 2008-02-07 Infineon Technologies Ag Zeitangaben-Prüfeinheit, elektronisches Gerät und Verfahren zum Prüfen einer Zeitangabe

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005301333A (ja) * 2004-04-06 2005-10-27 Hitachi Global Storage Technologies Netherlands Bv 利用時間制限機能を備えた磁気ディスク装置
WO2006018864A1 (ja) * 2004-08-17 2006-02-23 Mitsubishi Denki Kabushiki Kaisha 記憶装置および記憶方法
JP2006350496A (ja) * 2005-06-14 2006-12-28 Hitachi Global Storage Technologies Netherlands Bv 記憶装置及び記憶装置のアクセス制御方法

Also Published As

Publication number Publication date
KR20100041734A (ko) 2010-04-22
EP2156358A1 (en) 2010-02-24
WO2008154309A1 (en) 2008-12-18
TW200907996A (en) 2009-02-16
CN101816003A (zh) 2010-08-25
TWI386947B (zh) 2013-02-21

Similar Documents

Publication Publication Date Title
US8869288B2 (en) Method for using time from a trusted host device
US8688588B2 (en) Method for improving accuracy of a time estimate used in digital rights management (DRM) license validation
US20080307494A1 (en) Memory device with circuitry for improving accuracy of a time estimate used to authenticate an entity
US20080307495A1 (en) Memory device with circuitry for improving accuracy of a time estimate used in digital rights management (DRM) license validation
US20080307507A1 (en) Memory device using time from a trusted host device
US8688924B2 (en) Method for improving accuracy of a time estimate from a memory device
US20080304364A1 (en) Memory device with circuitry for improving accuracy of a time estimate
US8938625B2 (en) Systems and methods for securing cryptographic data using timestamps
US20080307237A1 (en) Method for improving accuracy of a time estimate used to authenticate an entity to a memory device
US20130004142A1 (en) Systems and methods for device authentication including timestamp validation
JP5180293B2 (ja) デジタル著作権管理（ｄｒｍ）ライセンス検証に用いる時間推定の精度を向上させるための回路を備えるメモリ装置とその装置で使用する方法
JP2010532024A (ja) 信頼されたホスト装置から時間を使用するメモリ装置とその装置で使用する方法
JP5343071B2 (ja) エンティティの認証に用いる時間推定の精度を向上させるための回路を備えるメモリ装置とその装置で使用する方法
JP5180292B2 (ja) 時間推定の精度を向上させるための回路を備えるメモリ装置とその装置で使用する方法
Feng et al. An efficient contents sharing method for DRM
JP5772148B2 (ja) 認証システム、認証装置、認証局、認証方法、及びプログラム
JP2009500701A (ja) デジタルコンテンツの視聴期限日を管理する方法、このようなコンテンツを視聴するための装置、視聴管理手段、及びこのようなコンテンツを配信するサーバ

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20110314

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20120213

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20120228

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20120522

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20120529

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A711

Effective date: 20120615

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20120622

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20120709

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20120710

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20121211