JP2010220019A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2010220019A5 JP2010220019A5 JP2009066113A JP2009066113A JP2010220019A5 JP 2010220019 A5 JP2010220019 A5 JP 2010220019A5 JP 2009066113 A JP2009066113 A JP 2009066113A JP 2009066113 A JP2009066113 A JP 2009066113A JP 2010220019 A5 JP2010220019 A5 JP 2010220019A5
- Authority
- JP
- Japan
- Prior art keywords
- mkb
- key
- recording medium
- intermediate key
- valid
- 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.)
- Withdrawn
Links
- 238000007726 management method Methods 0.000 claims description 68
- 238000000034 method Methods 0.000 claims description 35
- 230000010365 information processing Effects 0.000 claims description 10
- 230000003362 replicative effect Effects 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 description 7
- 238000012795 verification Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009066113A JP2010220019A (ja) | 2009-03-18 | 2009-03-18 | 鍵管理方法および鍵管理装置 |
| PCT/JP2010/001443 WO2010106746A1 (ja) | 2009-03-18 | 2010-03-03 | 鍵管理方法および鍵管理装置 |
| CN201080010271.5A CN102342062A (zh) | 2009-03-18 | 2010-03-03 | 密钥管理方法和密钥管理装置 |
| US13/232,545 US20120002817A1 (en) | 2009-03-18 | 2011-09-14 | Key management method and key management device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009066113A JP2010220019A (ja) | 2009-03-18 | 2009-03-18 | 鍵管理方法および鍵管理装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2010220019A JP2010220019A (ja) | 2010-09-30 |
| JP2010220019A5 true JP2010220019A5 (enExample) | 2011-10-13 |
Family
ID=42739414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009066113A Withdrawn JP2010220019A (ja) | 2009-03-18 | 2009-03-18 | 鍵管理方法および鍵管理装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20120002817A1 (enExample) |
| JP (1) | JP2010220019A (enExample) |
| CN (1) | CN102342062A (enExample) |
| WO (1) | WO2010106746A1 (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9252948B2 (en) * | 2010-11-19 | 2016-02-02 | International Business Machines Corporation | Broadcast encryption based media key block security class-based signing |
| US9245143B2 (en) | 2012-02-09 | 2016-01-26 | Microsoft Technology Licensing, Llc | Security policy for device data |
| CN104052818B (zh) * | 2014-06-27 | 2017-07-11 | 青岛海信移动通信技术股份有限公司 | 一种移动终端的版本升级方法及装置 |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1024478B1 (en) * | 1995-10-09 | 2002-05-02 | Matsushita Electric Industrial Co., Ltd. | Optical disk for use with an encryption or program license system |
| WO2000067257A2 (en) * | 1999-04-28 | 2000-11-09 | Matsushita Electric Industrial Co., Ltd. | Optical disk, optical disk recording and reproducing apparatus, method for recording, reproducing and deleting data on optical disk, and information processing system |
| CN1248143C (zh) * | 1999-08-10 | 2006-03-29 | 富士通株式会社 | 存储插件 |
| US6965992B1 (en) * | 2000-02-24 | 2005-11-15 | 3Com Corporation | Method and system for network security capable of doing stronger encryption with authorized devices |
| DE60106802T2 (de) * | 2000-04-06 | 2005-03-10 | Matsushita Electric Industrial Co., Ltd., Kadoma | Urheberrechtsschutzsystem, Verschlüsselungsvorrichtung, Entschlüsselungsvorrichtung und Aufzeichnungsmedium |
| US7340603B2 (en) * | 2002-01-30 | 2008-03-04 | Sony Corporation | Efficient revocation of receivers |
| DE10305730B4 (de) * | 2003-02-12 | 2005-04-07 | Deutsche Post Ag | Verfahren zum Überprüfen der Gültigkeit von digitalen Freimachungsvermerken |
| WO2005008385A2 (en) * | 2003-07-07 | 2005-01-27 | Cryptography Research, Inc. | Reprogrammable security for controlling piracy and enabling interactive content |
| JP4314950B2 (ja) * | 2003-09-26 | 2009-08-19 | 日本ビクター株式会社 | 暗号化装置及び復号化装置 |
| JP4634751B2 (ja) * | 2004-07-08 | 2011-02-16 | 株式会社東芝 | 記憶媒体処理方法、記憶媒体処理装置及びプログラム |
| US20070110236A1 (en) * | 2004-10-29 | 2007-05-17 | Pioneer Corporation | Encryption/recording device and method |
| JP4715233B2 (ja) * | 2005-02-25 | 2011-07-06 | ソニー株式会社 | 情報処理装置、および情報記録媒体製造方法、並びにコンピュータ・プログラム |
| US8165302B2 (en) * | 2005-06-07 | 2012-04-24 | Sony Corporation | Key table and authorization table management |
| IL172207A0 (en) * | 2005-11-27 | 2006-04-10 | Nds Ltd | Disk protection system |
| JP4921862B2 (ja) * | 2006-06-12 | 2012-04-25 | 株式会社東芝 | 情報記録再生装置及び方法 |
| JP2008022367A (ja) * | 2006-07-13 | 2008-01-31 | Toshiba Corp | 暗号鍵情報保持方法および暗号鍵情報処理装置 |
| JP4358239B2 (ja) * | 2007-01-10 | 2009-11-04 | 株式会社東芝 | コンテンツ提供システム、追跡システム、コンテンツ提供方法及び不正ユーザ特定方法 |
| US8290157B2 (en) * | 2007-02-20 | 2012-10-16 | Sony Corporation | Identification of a compromised content player |
| JP4964714B2 (ja) * | 2007-09-05 | 2012-07-04 | 株式会社日立製作所 | ストレージ装置及びデータの管理方法 |
| JP2009027557A (ja) * | 2007-07-20 | 2009-02-05 | Toshiba Corp | コンテンツデータ配信端末、及びコンテンツデータ配信システム |
| US9137015B2 (en) * | 2008-01-04 | 2015-09-15 | Arcsoft, Inc. | Protection scheme for AACS keys |
| EP2079033A1 (en) * | 2008-01-04 | 2009-07-15 | Irdeto Access B.V. | Method and system for secure peer-to-peer communication |
| JP4620146B2 (ja) * | 2008-07-18 | 2011-01-26 | 株式会社東芝 | 情報処理装置及び認証方法 |
| JP5139465B2 (ja) * | 2010-03-31 | 2013-02-06 | 株式会社東芝 | メモリチップ、情報記憶システム、読み出し装置 |
-
2009
- 2009-03-18 JP JP2009066113A patent/JP2010220019A/ja not_active Withdrawn
-
2010
- 2010-03-03 CN CN201080010271.5A patent/CN102342062A/zh active Pending
- 2010-03-03 WO PCT/JP2010/001443 patent/WO2010106746A1/ja not_active Ceased
-
2011
- 2011-09-14 US US13/232,545 patent/US20120002817A1/en not_active Abandoned
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6993135B2 (en) | Content processing system and content protecting method | |
| RU2361293C2 (ru) | Способ управления информацией для защиты от копирования носителя записи | |
| CN101103585B (zh) | 通过介质密钥块的验证控制对被保护数字内容的访问的系统和方法 | |
| US7889863B2 (en) | Recording device, recording medium, and content protection system | |
| US20080260161A1 (en) | Terminal Device and Copyright Protection System | |
| US8234718B2 (en) | Method and apparatus for forbidding use of digital content against copy control information | |
| KR100730546B1 (ko) | 콘텐츠 관리 방법 및 기록 매체 | |
| JP4123365B2 (ja) | サーバ装置と、デジタルデータのバックアップおよび復元方法 | |
| US20060136342A1 (en) | Content protection method, and information recording and reproduction apparatus using same | |
| JP4533644B2 (ja) | 記録装置 | |
| JP2007294054A (ja) | デジタル画像記録再生装置 | |
| US20070050851A1 (en) | Information processing apparatus and information processing method | |
| JP2011109444A (ja) | コンテンツの保護方法、コンテンツ再生装置、プログラムおよびプログラム記録媒体 | |
| US7926115B2 (en) | Information recording and reproducing apparatus and method | |
| JP4328062B2 (ja) | 情報記憶装置及び情報記憶方法 | |
| WO2010106746A1 (ja) | 鍵管理方法および鍵管理装置 | |
| JP2010220019A5 (enExample) | ||
| JP5221915B2 (ja) | コンテンツ管理方法、そのプログラム、および記録媒体 | |
| CN101089980A (zh) | 记录和再现信息的装置和方法 | |
| CN100593205C (zh) | 信息处理设备和方法、信息记录介质、其制造设备和方法、及计算机程序 | |
| JP2004063016A (ja) | 情報記録方法および情報記録再生装置 | |
| JP2005276282A (ja) | 情報記録再生装置、コンテンツ管理方法およびコンテンツ管理プログラム | |
| JP2008301261A (ja) | 受信装置及び受信方法 | |
| US20090177712A1 (en) | Digital data Recording device | |
| JP5643616B2 (ja) | コンテンツ記憶装置およびプログラム |