CN1410989A - 数字信息记录装置及信息记录再生装置 - Google Patents
数字信息记录装置及信息记录再生装置 Download PDFInfo
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- CN1410989A CN1410989A CN02144047.6A CN02144047A CN1410989A CN 1410989 A CN1410989 A CN 1410989A CN 02144047 A CN02144047 A CN 02144047A CN 1410989 A CN1410989 A CN 1410989A
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Images
Classifications
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- 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
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- G11B20/00188—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier
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- G11B20/00231—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 obtained from a local external medium, e.g. a card
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- 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
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- G11B20/00413—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 input by a user
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- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
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- 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
- G11B20/00536—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 wherein encrypted content data is subjected to a further, iterated encryption, e.g. interwoven encryption
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- G—PHYSICS
- G11—INFORMATION STORAGE
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- 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
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- G—PHYSICS
- G11—INFORMATION STORAGE
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- 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
Abstract
Description
Claims (29)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001309386 | 2001-10-05 | ||
JP309386/2001 | 2001-10-05 | ||
JP309386/01 | 2001-10-05 | ||
JP2001321322A JP3785983B2 (ja) | 2001-10-05 | 2001-10-19 | ディジタル情報記録装置および情報記録再生装置 |
JP321322/01 | 2001-10-19 | ||
JP321322/2001 | 2001-10-19 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200610059436.3A Division CN1825456B (zh) | 2001-10-05 | 2002-09-30 | 数字信息记录装置及信息记录再生装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1410989A true CN1410989A (zh) | 2003-04-16 |
CN1280810C CN1280810C (zh) | 2006-10-18 |
Family
ID=26623733
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN02144047.6A Expired - Lifetime CN1280810C (zh) | 2001-10-05 | 2002-09-30 | 数字信息记录装置及信息记录再生装置 |
CN200610059436.3A Expired - Fee Related CN1825456B (zh) | 2001-10-05 | 2002-09-30 | 数字信息记录装置及信息记录再生装置 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200610059436.3A Expired - Fee Related CN1825456B (zh) | 2001-10-05 | 2002-09-30 | 数字信息记录装置及信息记录再生装置 |
Country Status (3)
Country | Link |
---|---|
US (2) | US7340613B2 (zh) |
JP (1) | JP3785983B2 (zh) |
CN (2) | CN1280810C (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1314044C (zh) * | 2003-07-09 | 2007-05-02 | 索尼株式会社 | 电子设备装置及电子设备的保护方法 |
CN101620875B (zh) * | 2008-06-30 | 2011-06-15 | 日立乐金资料储存股份有限公司 | 驱动器固有密钥的确认方法和光盘记录再现装置 |
CN101441603B (zh) * | 2007-11-20 | 2013-09-04 | 三星电子株式会社 | 存储设备、使用该存储设备的终端设备及其方法 |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050053361A1 (en) * | 2003-08-16 | 2005-03-10 | Samsung Electronics Co., Ltd. | Information storage medium having data structure for being reproduced adaptively according to player profile information, apparatus for reproducing AV data in interactive mode |
CN100382496C (zh) * | 2003-11-12 | 2008-04-16 | 中兴通讯股份有限公司 | 承载控制分离网络中录音通知的编号和解析方法 |
US8218944B2 (en) * | 2004-06-08 | 2012-07-10 | Panasonic Corporation | Recording/reproduction device |
JP2006053703A (ja) * | 2004-08-11 | 2006-02-23 | Hitachi Ltd | 記憶制御システム及び方法 |
US7639927B2 (en) * | 2004-09-14 | 2009-12-29 | Marvell World Trade Ltd. | Unified control and memory for a combined DVD/HDD system |
US7639926B2 (en) * | 2004-09-14 | 2009-12-29 | Marvell World Trade Ltd. | Unified control and memory for a combined DVD/HDD system |
US7702221B2 (en) * | 2004-09-14 | 2010-04-20 | Marvell World Trade Ltd. | Unified control and memory for a combined DVD/HDD system |
KR100580204B1 (ko) * | 2004-10-06 | 2006-05-16 | 삼성전자주식회사 | 데이터 저장 장치 및 방법 |
JP4519658B2 (ja) * | 2005-01-04 | 2010-08-04 | 株式会社東芝 | 再生装置 |
JP4417854B2 (ja) | 2005-01-04 | 2010-02-17 | 株式会社東芝 | 再生装置 |
JP4737991B2 (ja) | 2005-01-04 | 2011-08-03 | 株式会社東芝 | 再生装置 |
JP4751632B2 (ja) * | 2005-03-30 | 2011-08-17 | 株式会社リコー | 画像形成装置 |
US20070143212A1 (en) * | 2005-11-09 | 2007-06-21 | Electronic Arts Inc. | Online product distribution using fingerprint and encryption |
JP4625757B2 (ja) * | 2005-12-09 | 2011-02-02 | 日立コンシューマエレクトロニクス株式会社 | 情報送信方法 |
JP4625781B2 (ja) | 2006-03-22 | 2011-02-02 | 株式会社東芝 | 再生装置 |
JP2008287674A (ja) * | 2007-05-21 | 2008-11-27 | Olympus Corp | 情報処理装置、クライアント装置、情報処理システム及びサービス接続方法 |
US9137015B2 (en) * | 2008-01-04 | 2015-09-15 | Arcsoft, Inc. | Protection scheme for AACS keys |
JP4625870B2 (ja) * | 2009-06-02 | 2011-02-02 | 日立コンシューマエレクトロニクス株式会社 | 情報記録再生装置、情報記録再生方法、及び情報送受信方法 |
JP4654309B2 (ja) * | 2009-10-15 | 2011-03-16 | 日立コンシューマエレクトロニクス株式会社 | 情報記録再生装置、情報記録再生方法、及び情報送受信方法 |
US9531547B2 (en) * | 2015-04-06 | 2016-12-27 | Vmware, Inc. | Host-based digital signature verification for guest components |
CN110475040B (zh) * | 2019-08-08 | 2021-03-23 | 南京吉印信息科技有限公司 | 一种基于模运算的交换密码水印方法及系统 |
CN114943072B (zh) * | 2022-07-25 | 2023-05-05 | 北京网藤科技有限公司 | 一种在多种软件系统间实现u盘联动管控的方法及系统 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0498552A (ja) | 1990-08-17 | 1992-03-31 | Fujitsu Ltd | 電子ファイリング装置 |
US5917910A (en) * | 1995-10-16 | 1999-06-29 | Sony Corporation | Encrypting method and apparatus, recording method, decrypting method and apparatus, and recording medium |
US5896454A (en) | 1996-03-08 | 1999-04-20 | Time Warner Entertainment Co., L.P. | System and method for controlling copying and playing of digital programs |
US6085323A (en) * | 1996-04-15 | 2000-07-04 | Kabushiki Kaisha Toshiba | Information processing system having function of securely protecting confidential information |
GB9626200D0 (en) | 1996-12-18 | 1997-02-05 | Ncr Int Inc | Secure data processing method and system |
JP3588536B2 (ja) * | 1997-07-11 | 2004-11-10 | 株式会社東芝 | 不正データコピー防止装置及び方法 |
US6711343B1 (en) * | 1997-07-17 | 2004-03-23 | Matsushita Electric Industrial Co., Ltd. | Data recording/reproducing device, file managing method, file information generating method, file managing method, management information generating device, management information analyzing device, and medium |
JP3660815B2 (ja) | 1997-12-10 | 2005-06-15 | 株式会社日立製作所 | ディジタル放送信号の受信装置及び記録再生装置 |
JPH11176090A (ja) * | 1997-12-10 | 1999-07-02 | Sony Corp | データ再生装置、データ処理装置、データ伝送システム、データ再生方法、データ処理方法、並びに、データ伝送方法 |
US6674858B1 (en) | 1997-12-10 | 2004-01-06 | Hitachi, Ltd. | Receiving device, recording and reproducing device and receiving/recording-reproducing system for digital broadcast signal |
JPH11205738A (ja) * | 1998-01-09 | 1999-07-30 | Canon Inc | 画像入力装置および方法並びに記憶媒体 |
JP2000148417A (ja) | 1998-09-07 | 2000-05-30 | Fuji Xerox Co Ltd | 印刷処理方法および装置 |
JP3957919B2 (ja) | 1999-05-25 | 2007-08-15 | 株式会社リコー | 原本性保証電子保存方法、その方法をコンピュータに実行させるプログラムを記録したコンピュータ読み取り可能な記録媒体および原本性保証電子保存装置 |
JP2001071908A (ja) | 1999-09-02 | 2001-03-21 | Hitachi Ltd | 列車保安システム |
JP3474510B2 (ja) | 2000-02-29 | 2003-12-08 | 株式会社東芝 | ディジタル放送送信装置、その受信方法および受信装置 |
JP3831175B2 (ja) | 2000-04-17 | 2006-10-11 | 三菱電機株式会社 | 記録再生装置及びデジタル放送受信機 |
JP4332284B2 (ja) | 2000-04-20 | 2009-09-16 | 株式会社日立製作所 | 記録再生方法及び記録再生装置 |
-
2001
- 2001-10-19 JP JP2001321322A patent/JP3785983B2/ja not_active Expired - Lifetime
-
2002
- 2002-09-30 CN CN02144047.6A patent/CN1280810C/zh not_active Expired - Lifetime
- 2002-09-30 CN CN200610059436.3A patent/CN1825456B/zh not_active Expired - Fee Related
- 2002-10-04 US US10/264,377 patent/US7340613B2/en active Active
-
2008
- 2008-01-28 US US12/020,943 patent/US7856560B2/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1314044C (zh) * | 2003-07-09 | 2007-05-02 | 索尼株式会社 | 电子设备装置及电子设备的保护方法 |
CN101441603B (zh) * | 2007-11-20 | 2013-09-04 | 三星电子株式会社 | 存储设备、使用该存储设备的终端设备及其方法 |
CN101620875B (zh) * | 2008-06-30 | 2011-06-15 | 日立乐金资料储存股份有限公司 | 驱动器固有密钥的确认方法和光盘记录再现装置 |
Also Published As
Publication number | Publication date |
---|---|
US7856560B2 (en) | 2010-12-21 |
CN1825456A (zh) | 2006-08-30 |
US7340613B2 (en) | 2008-03-04 |
JP3785983B2 (ja) | 2006-06-14 |
CN1280810C (zh) | 2006-10-18 |
CN1825456B (zh) | 2012-07-04 |
US20080141038A1 (en) | 2008-06-12 |
US20030086567A1 (en) | 2003-05-08 |
JP2003179850A (ja) | 2003-06-27 |
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Owner name: HITACHI MAXELL LTD. Free format text: FORMER OWNER: HITACHI LTD. Effective date: 20150320 |
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