DE69638245D1 - Wiedergabe von Daten - Google Patents

Wiedergabe von Daten

Info

Publication number
DE69638245D1
DE69638245D1 DE69638245T DE69638245T DE69638245D1 DE 69638245 D1 DE69638245 D1 DE 69638245D1 DE 69638245 T DE69638245 T DE 69638245T DE 69638245 T DE69638245 T DE 69638245T DE 69638245 D1 DE69638245 D1 DE 69638245D1
Authority
DE
Germany
Prior art keywords
playback
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.)
Expired - Lifetime
Application number
DE69638245T
Other languages
English (en)
Inventor
Yoichiro Sako
Akira Kurihara
Yoshitomo Osawa
Isao Kawashima
Hideo Owa
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
Application granted granted Critical
Publication of DE69638245D1 publication Critical patent/DE69638245D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
    • G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
    • 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
    • G11B20/00094—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised 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
    • G11B20/00094—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
    • G11B20/00137—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to contents recorded on or reproduced from a record carrier to authorised users
    • G11B20/00144—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to contents recorded on or reproduced from a record carrier to authorised users involving a user identifier, e.g. a unique customer ID
    • 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
    • G11B20/00137—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to contents recorded on or reproduced from a record carrier to authorised users
    • G11B20/00152—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to contents recorded on or reproduced from a record carrier to authorised users involving a password
    • 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
    • G11B20/00188—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
    • 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
    • G11B20/00188—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
    • G11B20/00195—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 using a device identifier associated with the player or recorder, e.g. serial numbers of playback apparatuses or MAC addresses
    • 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
    • G11B20/00224—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 remote server
    • 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
    • G11B20/00297—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 stored in a management area, e.g. the video manager [VMG] of a DVD
    • G11B20/00304—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 stored in a management area, e.g. the video manager [VMG] of a DVD the key being stored in the lead-in area [LIA]
    • 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
    • G11B20/00297—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 stored in a management area, e.g. the video manager [VMG] of a DVD
    • G11B20/00318—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 stored in a management area, e.g. the video manager [VMG] of a DVD the key being stored in the TOC
    • 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
    • G11B20/00347—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 the medium identifier is used as a key
    • 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
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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]
    • G06F21/101—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM] by binding digital rights to specific entities
    • G06F21/1011—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM] by binding digital rights to specific entities to devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2211/00—Indexing scheme relating to details of data-processing equipment not covered by groups G06F3/00 - G06F13/00
    • G06F2211/007—Encryption, En-/decode, En-/decipher, En-/decypher, Scramble, (De-)compress
DE69638245T 1995-06-30 1996-06-25 Wiedergabe von Daten Expired - Lifetime DE69638245D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP16664495 1995-06-30
JP20608595 1995-08-11

Publications (1)

Publication Number Publication Date
DE69638245D1 true DE69638245D1 (de) 2010-09-30

Family

ID=26490936

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69635069T Expired - Lifetime DE69635069T2 (de) 1995-06-30 1996-06-25 Wiedergabe von Daten
DE69637467T Expired - Lifetime DE69637467T2 (de) 1995-06-30 1996-06-25 Aufzeichnung und Wiedergabe von Daten sowie Informationsbereitstellung und -sammlung
DE69638245T Expired - Lifetime DE69638245D1 (de) 1995-06-30 1996-06-25 Wiedergabe von Daten

Family Applications Before (2)

Application Number Title Priority Date Filing Date
DE69635069T Expired - Lifetime DE69635069T2 (de) 1995-06-30 1996-06-25 Wiedergabe von Daten
DE69637467T Expired - Lifetime DE69637467T2 (de) 1995-06-30 1996-06-25 Aufzeichnung und Wiedergabe von Daten sowie Informationsbereitstellung und -sammlung

Country Status (5)

Country Link
US (9) US6134201A (de)
EP (3) EP1912218B1 (de)
JP (5) JPH09115241A (de)
KR (1) KR100463929B1 (de)
DE (3) DE69635069T2 (de)

Families Citing this family (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09115241A (ja) * 1995-06-30 1997-05-02 Sony Corp データ記録装置及び方法、データ再生装置及び方法、並びに記録媒体
US6144745A (en) * 1997-04-07 2000-11-07 Fujitsu Limited Method of and apparatus for retaining and verifying of data on recording medium
US6118741A (en) * 1997-06-19 2000-09-12 Mimnagh; Winslow M. Method and device for recording information on a carrier
US6463539B1 (en) 1997-09-30 2002-10-08 Victor Company Of Japan, Ltd. Managing system for reproducing information composed of information recording medium, managing medium, and reproduction method and apparatus method therefor
JP3906535B2 (ja) * 1997-11-07 2007-04-18 ソニー株式会社 ダウンロードシステム、及び記録媒体
KR20040101454A (ko) * 1998-03-26 2004-12-02 샤프 가부시키가이샤 데이터 재생 장치, 데이터 판매 장치 및 방법, 및 데이터유통 시스템 및 방법
JP3890737B2 (ja) * 1998-04-14 2007-03-07 株式会社日立製作所 ディジタル映像信号または音声信号の再生装置及び再生方法
US6118873A (en) * 1998-04-24 2000-09-12 International Business Machines Corporation System for encrypting broadcast programs in the presence of compromised receiver devices
JP3931435B2 (ja) * 1998-06-26 2007-06-13 ソニー株式会社 情報記録媒体、情報再生装置および方法、並びに記録媒体
US6567358B1 (en) 1998-06-26 2003-05-20 Matsushita Electric Industrial Co., Ltd. Information recording/reproducing apparatus
WO2000005716A1 (fr) * 1998-07-22 2000-02-03 Matsushita Electric Industrial Co., Ltd. Dispositif d'enregistrement de donnees numeriques et procede de protection des droits d'auteur et de reproduction facile de donnees numeriques chiffrees et support d'enregistrement lisible par un ordinateur, conçu pour l'enregistrement de programme
JP2000207833A (ja) * 1999-01-14 2000-07-28 Sharp Corp 記録再生装置及び自動販売機
WO2000048190A1 (en) * 1999-02-10 2000-08-17 Koninklijke Philips Electronics N.V. Method of storing an identification on a record carrier, device and record carrier
JP2000285644A (ja) * 1999-03-31 2000-10-13 Sony Corp コンテンツ作成方法、コンテンツ作成装置、コンテンツ記録媒体、コンテンツダウンロード方法およびコンテンツ蓄積配信装置
JP4011792B2 (ja) * 1999-06-16 2007-11-21 株式会社東芝 記録方法、再生方法、記録装置、再生装置及び記録媒体
US7380137B2 (en) * 1999-07-20 2008-05-27 International Business Machines Corporation Content guard system for copy protection of recordable media
US7239702B1 (en) 1999-08-20 2007-07-03 Sony Corporation Information recording/reproducing device
JP2001092721A (ja) * 1999-09-17 2001-04-06 Fujitsu Ltd コンテンツ利用制御装置、コンテンツ利用制御システムおよびコンテンツ利用制御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
CA2388800A1 (en) * 1999-10-19 2001-04-26 Spectradisc Corporation Methods and apparatus for rendering an optically encoded medium unreadable and tamper-resistant
JP4618467B2 (ja) * 2000-01-05 2011-01-26 ソニー株式会社 汎用コンピュータおよび汎用コンピュータにおける著作権管理方法
TW514844B (en) * 2000-01-26 2002-12-21 Sony Corp Data processing system, storage device, data processing method and program providing media
EP1254556B1 (de) * 2000-02-09 2011-11-09 Swisscom AG Decodiergerät, decodierverfahren und chipkarte
EA003963B1 (ru) * 2000-05-10 2003-12-25 Конинклейке Филипс Электроникс Н.В. Контролируемое распространение цифровой информации, в особенности аудиоданных
AU7458301A (en) * 2000-06-21 2002-01-02 Sony Corporation Information processing device and processing method
CN1386226A (zh) * 2000-07-11 2002-12-18 松下电器产业株式会社 内容流通系统的控制方法及其系统
JP4736216B2 (ja) * 2000-07-17 2011-07-27 ソニー株式会社 データ入出力装置及び方法
JP2002123427A (ja) * 2000-10-13 2002-04-26 Nec Soft Ltd コンピュータのアクセス制御システム
JP2002189801A (ja) * 2000-12-21 2002-07-05 Sony Corp サービス提供システム、管理サーバ、サービスプロバイダ、端末装置、記録媒体発行装置、サービス提供方法、記録媒体
JP3970040B2 (ja) 2001-01-31 2007-09-05 株式会社ソニー・コンピュータエンタテインメント コンピュータシステム及びその使用方法
DE60224015T2 (de) * 2001-02-27 2008-11-06 Koninklijke Philips Electronics N.V. Verfahren zum rechnen von bonuspunkten
US7421411B2 (en) * 2001-07-06 2008-09-02 Nokia Corporation Digital rights management in a mobile communications environment
US7362671B2 (en) 2001-08-13 2008-04-22 Sony Corporation Optical disc recording and/or playing apparatus and method
US20030046568A1 (en) * 2001-09-06 2003-03-06 Riddick Christopher J. Media protection system and method and hardware decryption module used therein
US7062045B2 (en) * 2001-09-06 2006-06-13 Clwt, Llc Media protection system and method
KR20040048952A (ko) * 2001-10-12 2004-06-10 코닌클리케 필립스 일렉트로닉스 엔.브이. 사용자 데이터를 판독 또는 기록하는 장치 및 방법
JPWO2003038821A1 (ja) 2001-10-31 2005-02-24 ソニー株式会社 記録媒体、記録媒体の記録方法及び装置、記録媒体の再生方法及び装置
JP3575461B2 (ja) * 2001-12-21 2004-10-13 ソニー株式会社 記録媒体、記録方法および装置、ならびに、再生装置および方法
WO2003073295A1 (fr) * 2002-02-27 2003-09-04 Matsushita Electric Industrial Co., Ltd. Dispositif hote
JP2004087063A (ja) * 2002-07-02 2004-03-18 Sony Corp データ記録媒体、媒体情報記録方法、媒体情報記録装置、媒体情報再生方法、媒体情報再生装置、情報サービス方法、情報サービスシステム
JP3603884B2 (ja) * 2002-07-30 2004-12-22 ソニー株式会社 データ記録方法および装置
CN1748256A (zh) * 2003-02-12 2006-03-15 索尼株式会社 数据记录/再现方法以及记录/再现装置
KR100974448B1 (ko) * 2003-04-24 2010-08-10 엘지전자 주식회사 광디스크의 복사 방지 정보 관리방법
KR100974449B1 (ko) * 2003-04-24 2010-08-10 엘지전자 주식회사 광디스크의 복사 방지 정보 관리방법
KR20040092649A (ko) * 2003-04-24 2004-11-04 엘지전자 주식회사 광디스크의 복사 방지 정보 관리방법
KR100972831B1 (ko) * 2003-04-24 2010-07-28 엘지전자 주식회사 엔크립트된 데이터의 보호방법 및 그 재생장치
KR100499586B1 (ko) * 2003-05-20 2005-07-07 엘지전자 주식회사 고밀도 광디스크의 복사 방지 정보 관리방법 및 그에 따른고밀도 광디스크와 복사 방지 정보 검출장치
DE602004017058D1 (de) * 2003-12-18 2008-11-20 Matsushita Electric Ind Co Ltd Aufzeichnungsvorrichtung, integrierte schaltung für eine aufzeichnungsvorrichtung, aufzeichnungsverfahren, computerprogramm und computeraufzeichnungsmedium zur ermöglichung der inhaltsaufzeichnung
JP3947978B2 (ja) * 2003-12-24 2007-07-25 ソニー株式会社 再生システム、再生装置及び再生方法
WO2006019044A1 (ja) * 2004-08-18 2006-02-23 Pioneer Corporation 情報記録媒体、情報記録装置及び方法、情報再生装置及び方法、並びにコンピュータプログラム
JP4717398B2 (ja) 2004-09-10 2011-07-06 キヤノン株式会社 データ処理装置の制御方法
WO2006067677A2 (en) * 2004-12-20 2006-06-29 Koninklijke Philips Electronics N.V. Unlocking a protected portable storage medium
NO20050152D0 (no) * 2005-01-11 2005-01-11 Dnb Nor Bank Asa Fremgangsmate ved frembringelse av sikkerhetskode og programmbar anordning for denne
JP4621548B2 (ja) * 2005-06-21 2011-01-26 株式会社東芝 半導体製造装置及びその方法
US7970142B2 (en) * 2005-08-05 2011-06-28 Hewlett-Packard Development Company, L.P. System, method and apparatus for decrypting data stored on removable media
WO2007017882A1 (en) 2005-08-05 2007-02-15 Hewlett-Packard Development Company L.P. System, method and apparatus for cryptography key management for mobile devices
US7970143B2 (en) * 2005-08-05 2011-06-28 Hewlett-Packard Development Company, L.P. System, method and apparatus to obtain a key for encryption/decryption/data recovery from an enterprise cryptography key management system
JP2008084489A (ja) * 2006-09-28 2008-04-10 Toshiba Corp 光ディスク再生装置及び光ディスク再生方法
WO2008059569A1 (fr) * 2006-11-15 2008-05-22 Panasonic Corporation Dispositif terminal de communication, appareil, procédé et système de distribution de contenu, et procédé de réception de contenu
GB2446879A (en) 2007-02-24 2008-08-27 Liquid11 Ltd Media locking system
US20100333196A1 (en) * 2007-02-24 2010-12-30 Liquid11 Limited Systems for Controlling Access to Locked Content Contained in a Recording Medium
US8219494B1 (en) * 2007-08-16 2012-07-10 Corbis Corporation End-to-end licensing of digital media assets
US8122501B2 (en) * 2008-06-20 2012-02-21 International Business Machines Corporation Traitor detection for multilevel assignment
US8108928B2 (en) * 2008-06-20 2012-01-31 International Business Machines Corporation Adaptive traitor tracing
JP4802222B2 (ja) * 2008-07-22 2011-10-26 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
US8422684B2 (en) * 2008-08-15 2013-04-16 International Business Machines Corporation Security classes in a media key block
US20100121641A1 (en) * 2008-11-11 2010-05-13 Aibelive Co., Ltd External voice identification system and identification process thereof
US8571209B2 (en) 2009-01-19 2013-10-29 International Business Machines Recording keys in a broadcast-encryption-based system

Family Cites Families (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59231650A (ja) * 1983-06-14 1984-12-26 Usac Electronics Ind Co Ltd ソフトウエア保護処理方式
US4658093A (en) * 1983-07-11 1987-04-14 Hellman Martin E Software distribution system
JPS6120442A (ja) * 1984-07-09 1986-01-29 Toshiba Corp 有料放送方式
MX158466A (es) * 1984-11-01 1989-02-03 Sony Corp Aparato registrador y/o reproductor de senales
CA1238427A (en) * 1984-12-18 1988-06-21 Jonathan Oseas Code protection using cryptography
JPS61279966A (ja) * 1985-06-05 1986-12-10 Hitachi Ltd 端末装置の誤接続防止方式
US4816828A (en) * 1986-03-27 1989-03-28 Feher Kornel J Aircraft damage assessment and surveillance system
US5010571A (en) * 1986-09-10 1991-04-23 Titan Linkabit Corporation Metering retrieval of encrypted data stored in customer data retrieval terminal
DE3850530T2 (de) * 1987-06-30 1994-10-27 Toshiba Kawasaki Kk System und Verfahren zur Aufnahme/Wiedergabe mit Aufnahmebeschränkungsfunktion.
US4866769A (en) * 1987-08-05 1989-09-12 Ibm Corporation Hardware assist for protecting PC software
JPH01194540A (ja) * 1988-01-29 1989-08-04 Hitachi Ltd 通信システム
US5113518A (en) * 1988-06-03 1992-05-12 Durst Jr Robert T Method and system for preventing unauthorized use of software
US5247575A (en) * 1988-08-16 1993-09-21 Sprague Peter J Information distribution system
JPH02287970A (ja) * 1989-04-28 1990-11-28 Hitachi Maxell Ltd 光記録装置
JP2721238B2 (ja) * 1989-05-01 1998-03-04 富士通株式会社 署名機能を持つ鍵配送方式
JPH02293930A (ja) * 1989-05-08 1990-12-05 Victor Co Of Japan Ltd 記録媒体の記録内容の盗用防止方式
JPH0334640A (ja) * 1989-06-30 1991-02-14 Kokusai Denshin Denwa Co Ltd <Kdd> ファクシミリ機密通信方法及びその装置
JPH0817384B2 (ja) * 1989-12-25 1996-02-21 日本電信電話株式会社 暗号通信方法
GB9012538D0 (en) * 1990-06-05 1990-07-25 Philips Nv Coding of video signals
JP3480943B2 (ja) * 1991-07-05 2003-12-22 ソニー株式会社 情報再生装置
US5521713A (en) * 1991-08-29 1996-05-28 Sony Corporation Apparatus and method for data compression and expansion using hybrid equal length coding and unequal length coding
JP3073590B2 (ja) * 1992-03-16 2000-08-07 富士通株式会社 電子化データ保護システム、使用許諾者側装置および使用者側装置
JP2575988B2 (ja) * 1992-03-18 1997-01-29 富士通株式会社 光ディスクのコピー防止方法、光ディスク及び光ディスク装置
US5347575A (en) * 1992-03-26 1994-09-13 Ag Communication Systems Corporation Circuit to detect the hook status and ringing at the CPE end of a telephone network
JPH05284499A (ja) * 1992-04-02 1993-10-29 Nec Corp 有料テレビジョン・オーディオプログラム放送再生方式
JP2883243B2 (ja) * 1992-06-11 1999-04-19 ケイディディ株式会社 相手認証／暗号鍵配送方式
US5224166A (en) * 1992-08-11 1993-06-29 International Business Machines Corporation System for seamless processing of encrypted and non-encrypted data and instructions
JP3084969B2 (ja) * 1992-10-16 2000-09-04 松下電器産業株式会社 再生装置と記録装置とケース入り記録媒体と記録媒体の初期化装置
JPH06197104A (ja) * 1992-12-25 1994-07-15 Sony Corp デコーダ装置
JPH06266283A (ja) * 1993-03-11 1994-09-22 Sega Enterp Ltd プログラムの暗号化方法及び暗号化プログラムを用いたゲーム機システム
JPH06295521A (ja) * 1993-04-06 1994-10-21 Sony Corp 情報処理装置
JPH06337886A (ja) * 1993-05-28 1994-12-06 Sofuto Banku Kk 情報販売システムおよび販売情報書込み装置
US5337357A (en) * 1993-06-17 1994-08-09 Software Security, Inc. Method of software distribution protection
JP2776209B2 (ja) * 1993-07-22 1998-07-16 日本ビクター株式会社 光ディスク及び情報記録再生装置
US5400403A (en) * 1993-08-16 1995-03-21 Rsa Data Security, Inc. Abuse-resistant object distribution system and method
US5400319A (en) * 1993-10-06 1995-03-21 Digital Audio Disc Corporation CD-ROM with machine-readable I.D. code
JP3397859B2 (ja) * 1993-10-22 2003-04-21 日本ビクター株式会社 有料情報供給システムのデコ−ダ装置
US5625690A (en) * 1993-11-15 1997-04-29 Lucent Technologies Inc. Software pay per use system
US5666411A (en) * 1994-01-13 1997-09-09 Mccarty; Johnnie C. System for computer software protection
JPH0869419A (ja) * 1994-08-30 1996-03-12 Shimadzu Corp デジタルデータの記録装置および記録媒体
US5892900A (en) * 1996-08-30 1999-04-06 Intertrust Technologies Corp. Systems and methods for secure transaction management and electronic rights protection
JPH09115241A (ja) * 1995-06-30 1997-05-02 Sony Corp データ記録装置及び方法、データ再生装置及び方法、並びに記録媒体
JP4029758B2 (ja) * 2003-03-31 2008-01-09 ソニー株式会社 画像データの符号化装置および符号化方法、並びに画像データの符号・復号化システムおよび符号・復号化方法

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US6882987B2 (en) 2005-04-19
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