KR20020084196A - 정보 기록/재생 장치 및 방법 - Google Patents

정보 기록/재생 장치 및 방법 Download PDF

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Publication number
KR20020084196A
KR20020084196A KR1020027012123A KR20027012123A KR20020084196A KR 20020084196 A KR20020084196 A KR 20020084196A KR 1020027012123 A KR1020027012123 A KR 1020027012123A KR 20027012123 A KR20027012123 A KR 20027012123A KR 20020084196 A KR20020084196 A KR 20020084196A
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KR
South Korea
Prior art keywords
content
icv
key
recording
data
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
KR1020027012123A
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English (en)
Korean (ko)
Inventor
류따 다끼
도모유끼 아사노
다떼오 오이시
요시또모 오사와
Original Assignee
소니 가부시끼 가이샤
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.)
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Application filed by 소니 가부시끼 가이샤 filed Critical 소니 가부시끼 가이샤
Publication of KR20020084196A publication Critical patent/KR20020084196A/ko
Ceased legal-status Critical Current

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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
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • 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]
    • 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
    • G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
    • 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
    • G11B20/00094—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers
    • G11B20/00115—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers wherein the record carrier stores a unique medium identifier
    • 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
    • G11B20/00094—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers
    • G11B20/0013—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers wherein the measure concerns not the entire record carrier, but a specific physical or logical area of one or more record carriers
    • 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
    • G11B20/00166—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised contents recorded on or reproduced from a record carrier, e.g. music or software
    • 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
    • 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
    • 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
    • G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • 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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/0822—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using key encryption key
    • 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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/083—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP]
    • H04L9/0833—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP] involving conference or group key
    • H04L9/0836—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP] involving conference or group key using tree structure or hierarchical structure
    • 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
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying
    • 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
    • H04L2209/603—Digital right managament [DRM]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/20—Information technology specific aspects, e.g. CAD, simulation, modelling, system security

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Technology Law (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Storage Device Security (AREA)
KR1020027012123A 2001-01-16 2002-01-11 정보 기록/재생 장치 및 방법 Ceased KR20020084196A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2001007238A JP4281252B2 (ja) 2001-01-16 2001-01-16 情報記録装置、情報再生装置、情報記録方法、情報再生方法、および情報記録媒体、並びにプログラム記憶媒体
JPJP-P-2001-00007238 2001-01-16
PCT/JP2002/000119 WO2002056535A1 (en) 2001-01-16 2002-01-11 Apparatus and method for recording/reproducing information

Publications (1)

Publication Number Publication Date
KR20020084196A true KR20020084196A (ko) 2002-11-04

Family

ID=18875017

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020027012123A Ceased KR20020084196A (ko) 2001-01-16 2002-01-11 정보 기록/재생 장치 및 방법

Country Status (6)

Country Link
US (1) US7401231B2 (enExample)
EP (1) EP1265396A4 (enExample)
JP (1) JP4281252B2 (enExample)
KR (1) KR20020084196A (enExample)
CN (1) CN100492962C (enExample)
WO (1) WO2002056535A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100636150B1 (ko) * 2004-07-01 2006-10-19 삼성전자주식회사 암호화 모듈을 포함하는 멀티미디어 장치

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0129065D0 (en) * 2001-12-05 2002-01-23 Philips Electronics Uk Ltd Method and apparatus for verifying the integrity of system data
US7242773B2 (en) * 2002-09-09 2007-07-10 Sony Corporation Multiple partial encryption using retuning
JP4139114B2 (ja) * 2002-02-04 2008-08-27 松下電器産業株式会社 デジタルコンテンツ管理装置およびデジタルコンテンツ管理プログラム
US7890771B2 (en) * 2002-04-17 2011-02-15 Microsoft Corporation Saving and retrieving data based on public key encryption
US7296154B2 (en) * 2002-06-24 2007-11-13 Microsoft Corporation Secure media path methods, systems, and architectures
KR20050021435A (ko) * 2002-07-08 2005-03-07 코닌클리케 필립스 일렉트로닉스 엔.브이. 기록매체 상의 집적회로의 데이터 유지
EP1387238B1 (en) * 2002-07-30 2011-06-15 Fujitsu Limited Method and apparatus for reproducing information using a security module
US7370212B2 (en) 2003-02-25 2008-05-06 Microsoft Corporation Issuing a publisher use license off-line in a digital rights management (DRM) system
EP1616334A1 (en) * 2003-03-24 2006-01-18 Matsushita Electric Industrial Co., Ltd. Recording medium recording apparatus and reproducing apparatus
JP3788438B2 (ja) 2003-03-24 2006-06-21 ソニー株式会社 情報記録媒体、情報処理装置、および情報処理方法、並びにコンピュータ・プログラム
JP2004326848A (ja) * 2003-04-22 2004-11-18 Shinano Kenshi Co Ltd データ記録装置、記録媒体判別方法および記録媒体判別プログラム
CN100499450C (zh) * 2003-04-22 2009-06-10 国际商业机器公司 数字资源的分层密钥生成方法及其设备
KR100974448B1 (ko) * 2003-04-24 2010-08-10 엘지전자 주식회사 광디스크의 복사 방지 정보 관리방법
KR100972831B1 (ko) * 2003-04-24 2010-07-28 엘지전자 주식회사 엔크립트된 데이터의 보호방법 및 그 재생장치
KR20040092649A (ko) * 2003-04-24 2004-11-04 엘지전자 주식회사 광디스크의 복사 방지 정보 관리방법
KR100974449B1 (ko) * 2003-04-24 2010-08-10 엘지전자 주식회사 광디스크의 복사 방지 정보 관리방법
US7949877B2 (en) * 2003-06-30 2011-05-24 Realnetworks, Inc. Rights enforcement and usage reporting on a client device
JP4239741B2 (ja) * 2003-07-30 2009-03-18 ソニー株式会社 情報記録媒体製造管理システム、情報処理装置、および方法、並びにコンピュータ・プログラム
GB2404538A (en) * 2003-07-31 2005-02-02 Sony Uk Ltd Access control for digital content
US7607024B2 (en) * 2003-08-01 2009-10-20 Koninklijke Phillips Electronics N.V. Record carrier comprising encryption indication information
US7685646B1 (en) * 2003-09-10 2010-03-23 Realnetworks, Inc. System and method for distributing protected audio content on optical media
KR100643278B1 (ko) * 2003-10-22 2006-11-10 삼성전자주식회사 휴대용 저장 장치의 디지털 저작권을 관리하는 방법 및 장치
EP1692698A1 (en) * 2003-12-02 2006-08-23 Koninklijke Philips Electronics N.V. Content protection on a record carrier
CN1914850B (zh) * 2004-01-29 2010-07-21 索尼株式会社 信息处理设备和方法
KR20050096040A (ko) 2004-03-29 2005-10-05 삼성전자주식회사 휴대형 저장장치와 디바이스간에 디지털 저작권 관리를이용한 콘텐츠 재생방법 및 장치와, 이를 위한 휴대형저장장치
US20060242406A1 (en) 2005-04-22 2006-10-26 Microsoft Corporation Protected computing environment
EP1761923A1 (en) * 2004-06-21 2007-03-14 Koninklijke Philips Electronics N.V. System for covertly storing control information
JPWO2006013924A1 (ja) * 2004-08-06 2008-05-01 パイオニア株式会社 記録再生装置、記録媒体処理装置、再生装置、記録媒体、コンテンツ記録再生システム、及びコンテンツ記録再生方法
JP4936652B2 (ja) 2004-08-26 2012-05-23 ソニー株式会社 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
JP4569228B2 (ja) * 2004-09-02 2010-10-27 ソニー株式会社 データ処理方法、情報記録媒体製造管理システム、記録データ生成装置、および方法、並びにコンピュータ・プログラム
JP4383311B2 (ja) * 2004-10-13 2009-12-16 パナソニック株式会社 コンテンツ録画装置及びコンテンツ録画装置の制御方法並びにコンテンツ録画装置の記録プログラム
CN100452698C (zh) * 2004-12-13 2009-01-14 清华大学 一种带权利要求说明的数字内容打包方法
KR100692589B1 (ko) * 2005-01-06 2007-03-13 삼성전자주식회사 Ｄｒｍ 시스템에 적용되는 컨텐츠 재생장치 및 방법그리고 모바일코드 제공장치 및 방법
US7958085B1 (en) 2005-03-07 2011-06-07 Adobe Systems Incorporated Managing media-content licenses, including option formation
JP4599194B2 (ja) * 2005-03-08 2010-12-15 株式会社東芝 復号装置、復号方法、及びプログラム
US9363481B2 (en) 2005-04-22 2016-06-07 Microsoft Technology Licensing, Llc Protected media pipeline
US9436804B2 (en) * 2005-04-22 2016-09-06 Microsoft Technology Licensing, Llc Establishing a unique session key using a hardware functionality scan
US7778417B2 (en) 2005-05-17 2010-08-17 International Business Machines Corporation System and method for managing encrypted content using logical partitions
US20060265758A1 (en) 2005-05-20 2006-11-23 Microsoft Corporation Extensible media rights
WO2007029831A1 (ja) * 2005-09-09 2007-03-15 Sony Corporation 記録媒体、記録再生装置及び再生装置
JP2007157208A (ja) * 2005-12-01 2007-06-21 Funai Electric Co Ltd 光ディスク装置
US8769298B2 (en) * 2006-05-05 2014-07-01 Interdigital Technology Corporation Digital rights management using trusted processing techniques
JP2007318279A (ja) * 2006-05-24 2007-12-06 Sony Corp 情報処理装置
JP2010507862A (ja) * 2007-01-19 2010-03-11 エルジー エレクトロニクス インコーポレイティド コンテンツ保護方法及びデバイス並びにプログラム
KR101356736B1 (ko) * 2007-01-19 2014-02-06 삼성전자주식회사 콘텐츠의 무결성을 확인하기 위한 콘텐츠 제공 장치 및방법 및 콘텐츠 사용 장치 및 방법, 및 콘텐츠 사용 장치를폐지하는 콘텐츠 제공 장치 및 방법
JP2010507864A (ja) * 2007-02-16 2010-03-11 エルジー エレクトロニクス インコーポレイティド ドメイン管理方法及びドメインデバイス並びにプログラム
US20080313085A1 (en) * 2007-06-14 2008-12-18 Motorola, Inc. System and method to share a guest version of rights between devices
WO2009011050A1 (ja) * 2007-07-18 2009-01-22 Pioneer Corporation 情報記録媒体、並びに情報処理装置及び方法
CN101796837B (zh) * 2007-09-11 2012-12-19 Lg电子株式会社 安全签名方法、安全认证方法和iptv系统
US9262594B2 (en) * 2008-01-18 2016-02-16 Microsoft Technology Licensing, Llc Tamper evidence per device protected identity
US20100157478A1 (en) * 2008-12-18 2010-06-24 Hewlett-Packard Development Company, L.P. System and method for storage of digital assets
US9172532B1 (en) * 2013-11-19 2015-10-27 Amazon Technologies, Inc. Multi-tiered encryption system for efficiently regulating use of encryption keys
US9876991B1 (en) 2014-02-28 2018-01-23 Concurrent Computer Corporation Hierarchical key management system for digital rights management and associated methods
EP3293653A1 (en) 2016-09-09 2018-03-14 Nagravision S.A. A system for decrypting and rendering content
US12316782B2 (en) 2022-08-29 2025-05-27 Cisco Technology, Inc. Embedded device based digital fingerprint signing and public ledger based digital signal registering management

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL103062A (en) * 1992-09-04 1996-08-04 Algorithmic Res Ltd Data processor security system
US5892900A (en) * 1996-08-30 1999-04-06 Intertrust Technologies Corp. Systems and methods for secure transaction management and electronic rights protection
CN101398871B (zh) * 1995-02-13 2011-05-18 英特特拉斯特技术公司 用于安全交易管理和电子权利保护的系统和方法
US5915018A (en) * 1996-11-05 1999-06-22 Intel Corporation Key management system for DVD copyright management
US5757919A (en) * 1996-12-12 1998-05-26 Intel Corporation Cryptographically protected paging subsystem
US6708274B2 (en) * 1998-04-30 2004-03-16 Intel Corporation Cryptographically protected paging subsystem
AUPO474997A0 (en) * 1997-01-23 1997-02-20 Commonwealth Bank Of Australia Distribution system with authentication
GB9713094D0 (en) * 1997-06-21 1997-08-27 Philips Electronics Nv Optical disc drive
US6959383B1 (en) * 1997-07-10 2005-10-25 Yamaha Corporation Method and device for incorporating additional information into main information through electronic watermaking technique
JPH11187013A (ja) 1997-12-24 1999-07-09 Ibm Japan Ltd 暗号鍵配信システム
US6049878A (en) * 1998-01-20 2000-04-11 Sun Microsystems, Inc. Efficient, secure multicasting with global knowledge
US6188659B1 (en) * 1998-01-20 2001-02-13 Eastman Kodak Company Method for insuring uniqueness of an original CD
US6118873A (en) * 1998-04-24 2000-09-12 International Business Machines Corporation System for encrypting broadcast programs in the presence of compromised receiver devices
US7007162B1 (en) * 1998-04-24 2006-02-28 International Business Machines Corporation Forensic media key block for identifying compromised keys
US6438235B2 (en) * 1998-08-05 2002-08-20 Hewlett-Packard Company Media content protection utilizing public key cryptography
EP0984346A1 (en) 1998-09-02 2000-03-08 Hitachi Europe Limited Copy protection apparatus and method
JP3819160B2 (ja) * 1998-09-18 2006-09-06 富士通株式会社 情報管理方法および情報管理装置
JP2000242929A (ja) 1998-12-07 2000-09-08 Sony Corp データ記録方法および装置、データ再生方法および装置、並びに記録媒体
US6810004B1 (en) 1998-12-07 2004-10-26 Sony Corporation Optical recording medium, recorder for optical recording medium, method for recording the same, reproducing device and reproducing method therefor
US6341328B1 (en) * 1999-04-20 2002-01-22 Lucent Technologies, Inc. Method and apparatus for using multiple co-dependent DMA controllers to provide a single set of read and write commands
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
JP4177514B2 (ja) * 1999-04-28 2008-11-05 株式会社東芝 コンピュータシステムおよびコンテンツ保護方法
JP2000322825A (ja) * 1999-05-13 2000-11-24 Hitachi Ltd ディジタル信号記録装置
JP4177517B2 (ja) * 1999-05-21 2008-11-05 株式会社東芝 コンテンツ処理システムおよびコンテンツ保護方法
IL130963A (en) * 1999-07-15 2006-04-10 Nds Ltd Key management for content protection
US7380137B2 (en) * 1999-07-20 2008-05-27 International Business Machines Corporation Content guard system for copy protection of recordable media
US6748539B1 (en) * 2000-01-19 2004-06-08 International Business Machines Corporation System and method for securely checking in and checking out digitized content
JP2001256113A (ja) * 2000-03-13 2001-09-21 Toshiba Corp コンテンツ処理システムおよびコンテンツ保護方法
US7080249B1 (en) * 2000-04-25 2006-07-18 Microsoft Corporation Code integrity verification that includes one or more cycles
JP2003533112A (ja) * 2000-05-11 2003-11-05 松下電器産業株式会社 コンテンツ受信端末及び記録媒体
ES2393616T3 (es) * 2000-08-16 2012-12-26 Koninklijke Philips Electronics N.V. Método y dispositivo para controlar la distribución y el uso de obras digitales
US6993508B1 (en) * 2000-12-29 2006-01-31 Novell, Inc. Method and mechanism for vending digital content
US7039803B2 (en) * 2001-01-26 2006-05-02 International Business Machines Corporation Method for broadcast encryption and key revocation of stateless receivers
US7016493B2 (en) * 2001-03-01 2006-03-21 Asier Technology Corporation Key matrix system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100636150B1 (ko) * 2004-07-01 2006-10-19 삼성전자주식회사 암호화 모듈을 포함하는 멀티미디어 장치

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EP1265396A1 (en) 2002-12-11
WO2002056535A1 (en) 2002-07-18
CN100492962C (zh) 2009-05-27
JP2002215465A (ja) 2002-08-02
US7401231B2 (en) 2008-07-15
JP4281252B2 (ja) 2009-06-17
US20030159037A1 (en) 2003-08-21
HK1062366A1 (zh) 2004-10-29
EP1265396A4 (en) 2006-08-16

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