WO2003025930A1 - Recording medium reproduction method and reproduction apparatus, and recording medium recording method and recording apparatus - Google Patents

Recording medium reproduction method and reproduction apparatus, and recording medium recording method and recording apparatus Download PDF

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Publication number
WO2003025930A1
WO2003025930A1 PCT/JP2002/008918 JP0208918W WO03025930A1 WO 2003025930 A1 WO2003025930 A1 WO 2003025930A1 JP 0208918 W JP0208918 W JP 0208918W WO 03025930 A1 WO03025930 A1 WO 03025930A1
Authority
WO
WIPO (PCT)
Prior art keywords
recording medium
recording
reproduction
data
key
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.)
Ceased
Application number
PCT/JP2002/008918
Other languages
English (en)
French (fr)
Inventor
Yoichiro Sako
Shunsuke Furukawa
Tatsuya Inokuchi
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.)
Sony Corp
Original Assignee
Sony 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
Application filed by Sony Corp filed Critical Sony Corp
Priority to KR10-2003-7006431A priority Critical patent/KR20040029957A/ko
Priority to JP2003529464A priority patent/JP4020077B2/ja
Priority to US10/415,778 priority patent/US20040030909A1/en
Priority to HK05101947.7A priority patent/HK1069475B/xx
Priority to EP02767880A priority patent/EP1426953A1/en
Publication of WO2003025930A1 publication Critical patent/WO2003025930A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • G11B20/00246—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 device, e.g. device key initially stored by the player or by the recorder
    • 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
    • G11B20/00362—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 obtained from a media key block [MKB]
    • 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
    • G11B20/00369—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 wherein a first key, which is usually stored on a hidden channel, e.g. in the lead-in of a BD-R, unlocks a key locker containing a second
    • 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
    • G11B20/00485—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
    • G11B20/00514—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 the entire content is encrypted with the same key, e.g. disc key or master key

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Storage Device Security (AREA)
PCT/JP2002/008918 2001-09-14 2002-09-03 Recording medium reproduction method and reproduction apparatus, and recording medium recording method and recording apparatus Ceased WO2003025930A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR10-2003-7006431A KR20040029957A (ko) 2001-09-14 2002-09-03 기록매체의 재생방법과 재생장치 및 기록매체의기록방법과 기록장치
JP2003529464A JP4020077B2 (ja) 2001-09-14 2002-09-03 記録媒体の再生方法および再生装置、並びに記録媒体の記録方法および記録装置
US10/415,778 US20040030909A1 (en) 2001-09-14 2002-09-03 Recording medium reproduction method and reproduction apparatus, and recording medium recording method and recording apparatus
HK05101947.7A HK1069475B (en) 2001-09-14 2002-09-03 Recording medium reproduction method and reproduction apparatus, and recording medium recording method and recording apparatus
EP02767880A EP1426953A1 (en) 2001-09-14 2002-09-03 Recording medium reproduction method and reproduction apparatus, and recording medium recording method and recording apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001280191 2001-09-14
JP2001-280191 2001-09-14

Publications (1)

Publication Number Publication Date
WO2003025930A1 true WO2003025930A1 (en) 2003-03-27

Family

ID=19104236

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/008918 Ceased WO2003025930A1 (en) 2001-09-14 2002-09-03 Recording medium reproduction method and reproduction apparatus, and recording medium recording method and recording apparatus

Country Status (6)

Country Link
US (1) US20040030909A1 (ja)
EP (1) EP1426953A1 (ja)
JP (1) JP4020077B2 (ja)
KR (1) KR20040029957A (ja)
CN (1) CN100390892C (ja)
WO (1) WO2003025930A1 (ja)

Cited By (7)

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JP2005136965A (ja) * 2003-10-10 2005-05-26 Matsushita Electric Ind Co Ltd 暗号化装置、復号化装置、秘密鍵生成装置および著作権保護システム
JP2005141525A (ja) * 2003-11-07 2005-06-02 Sony Corp 電子機器、情報処理システム、情報処理装置および方法、プログラム、並びに記録媒体
JP2005304006A (ja) * 2004-03-15 2005-10-27 Yamaha Corp 電子音楽装置及びコンピュータ読み取り可能なプログラム
WO2005124762A1 (ja) * 2004-06-22 2005-12-29 Matsushita Electric Industrial Co., Ltd. 記録媒体及びコンテンツ再生システム
JP2006303622A (ja) * 2005-04-15 2006-11-02 Sony Corp 情報処理装置、情報記録媒体、および情報処理方法、並びにコンピュータ・プログラム
JP2007516667A (ja) * 2003-11-14 2007-06-21 ソニック・ソリューションズ 書込み可能な媒体への内容の保護された安全な転送
US8078541B2 (en) 2004-03-15 2011-12-13 Yamaha Corporation Electronic musical apparatus for recording and reproducing music content

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EP1207527A1 (en) * 2000-11-17 2002-05-22 Deutsche Thomson-Brandt Gmbh Method and apparatus for determining main parameter values of a storage medium that are required for replaying said storage medium
JP2004087062A (ja) * 2002-06-25 2004-03-18 Sony Corp データ記録媒体、識別情報記録方法、識別情報記録装置、識別情報再生方法、識別情報再生装置、情報サービス方法、情報サービスシステム
JP3878542B2 (ja) * 2002-11-29 2007-02-07 株式会社東芝 記録装置
BRPI0406777B1 (pt) * 2003-01-15 2017-12-26 Matsushita Electric Industrial Co Ltd sistema de proteção de conteúdo, aparelho de geração de dados de chave e aparelho terminal
US7685646B1 (en) * 2003-09-10 2010-03-23 Realnetworks, Inc. System and method for distributing protected audio content on optical media
US7103779B2 (en) * 2003-09-18 2006-09-05 Apple Computer, Inc. Method and apparatus for incremental code signing
WO2005038681A1 (ja) * 2003-10-16 2005-04-28 Sharp Kabushiki Kaisha コンテンツ利用制御装置、記録装置、再生装置、記録媒体、及びコンテンツ利用制御方法
EP1723649A2 (en) * 2004-03-09 2006-11-22 Matsushita Electric Industrial Co., Ltd. Content playback device
EP1632907B1 (en) * 2004-08-24 2019-10-30 Canon Kabushiki Kaisha Data-processing system and method for controlling same, computer program, and computer-readable recording medium
TWI277870B (en) * 2004-11-22 2007-04-01 Toshiba Corp Copyright management method, information recording/reproducing method and device, and information recording medium and method of manufacturing the medium
US7971070B2 (en) * 2005-01-11 2011-06-28 International Business Machines Corporation Read/write media key block
CN1832393B (zh) * 2005-03-10 2010-09-29 华为技术有限公司 基于数字版权管理系统的数字内容传播方法
US8296583B2 (en) 2006-02-24 2012-10-23 Drakez Tokaj Rt. L.L.C. Physical digital media delivery
US8364965B2 (en) * 2006-03-15 2013-01-29 Apple Inc. Optimized integrity verification procedures
JPWO2008126285A1 (ja) * 2007-03-30 2010-07-22 パイオニア株式会社 情報記録装置及びコピー管理プログラム
JPWO2008126318A1 (ja) * 2007-03-30 2010-07-22 パイオニア株式会社 情報記録装置及びコピー管理プログラム
US8423789B1 (en) * 2007-05-22 2013-04-16 Marvell International Ltd. Key generation techniques
US8103844B2 (en) * 2008-02-01 2012-01-24 Donald Rozinak Beaver Secure direct platter access
US20090196417A1 (en) * 2008-02-01 2009-08-06 Seagate Technology Llc Secure disposal of storage data
US20100031057A1 (en) * 2008-02-01 2010-02-04 Seagate Technology Llc Traffic analysis resistant storage encryption using implicit and explicit data
US8510560B1 (en) 2008-08-20 2013-08-13 Marvell International Ltd. Efficient key establishment for wireless networks
CN102160035A (zh) 2008-09-18 2011-08-17 马维尔国际贸易有限公司 至少部分地在引导期间向存储器预加载应用
KR101010912B1 (ko) * 2008-10-17 2011-01-26 주식회사 엔유씨전자 전기녹즙기
US8645716B1 (en) 2010-10-08 2014-02-04 Marvell International Ltd. Method and apparatus for overwriting an encryption key of a media drive
US9436629B2 (en) 2011-11-15 2016-09-06 Marvell World Trade Ltd. Dynamic boot image streaming
US9459955B2 (en) * 2012-05-24 2016-10-04 Sandisk Technologies Llc System and method to scramble data based on a scramble key
US9575768B1 (en) 2013-01-08 2017-02-21 Marvell International Ltd. Loading boot code from multiple memories
US9736801B1 (en) 2013-05-20 2017-08-15 Marvell International Ltd. Methods and apparatus for synchronizing devices in a wireless data communication system
US9521635B1 (en) 2013-05-21 2016-12-13 Marvell International Ltd. Methods and apparatus for selecting a device to perform shared functionality in a deterministic and fair manner in a wireless data communication system
US9836306B2 (en) 2013-07-31 2017-12-05 Marvell World Trade Ltd. Parallelizing boot operations
CN106961413B (zh) * 2016-01-08 2020-06-19 阿里巴巴（中国）有限公司 内容分发的方法、设备、电子设备和系统
CN109075968A (zh) 2016-03-08 2018-12-21 马维尔国际贸易有限公司 用于安全设备认证的方法和装置

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JPH07245740A (ja) * 1994-03-07 1995-09-19 Asahi Optical Co Ltd 記録装置および再生装置
JPH10502479A (ja) * 1994-06-29 1998-03-03 マクロヴィジョン コーポレイション 種々の記録媒体用のコピー防止の方法及び装置
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005136965A (ja) * 2003-10-10 2005-05-26 Matsushita Electric Ind Co Ltd 暗号化装置、復号化装置、秘密鍵生成装置および著作権保護システム
JP2005141525A (ja) * 2003-11-07 2005-06-02 Sony Corp 電子機器、情報処理システム、情報処理装置および方法、プログラム、並びに記録媒体
US8006284B2 (en) 2003-11-07 2011-08-23 Sony Corporation Electronic device, information processing system, information processing apparatus and method, program, and recording medium
JP2007516667A (ja) * 2003-11-14 2007-06-21 ソニック・ソリューションズ 書込み可能な媒体への内容の保護された安全な転送
JP2005304006A (ja) * 2004-03-15 2005-10-27 Yamaha Corp 電子音楽装置及びコンピュータ読み取り可能なプログラム
US8078541B2 (en) 2004-03-15 2011-12-13 Yamaha Corporation Electronic musical apparatus for recording and reproducing music content
US8082212B2 (en) 2004-03-15 2011-12-20 Yamaha Corporation Electronic musical apparatus for recording and reproducing music content
WO2005124762A1 (ja) * 2004-06-22 2005-12-29 Matsushita Electric Industrial Co., Ltd. 記録媒体及びコンテンツ再生システム
JP2006303622A (ja) * 2005-04-15 2006-11-02 Sony Corp 情報処理装置、情報記録媒体、および情報処理方法、並びにコンピュータ・プログラム

Also Published As

Publication number Publication date
CN100390892C (zh) 2008-05-28
CN1531730A (zh) 2004-09-22
JPWO2003025930A1 (ja) 2005-01-06
JP4020077B2 (ja) 2007-12-12
EP1426953A1 (en) 2004-06-09
KR20040029957A (ko) 2004-04-08
HK1069475A1 (zh) 2005-05-20
US20040030909A1 (en) 2004-02-12

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