WO2001076127A1 - Appareil et procede d'enregistrement/reproduction d'information - Google Patents

Appareil et procede d'enregistrement/reproduction d'information Download PDF

Info

Publication number
WO2001076127A1
WO2001076127A1 PCT/JP2001/002928 JP0102928W WO0176127A1 WO 2001076127 A1 WO2001076127 A1 WO 2001076127A1 JP 0102928 W JP0102928 W JP 0102928W WO 0176127 A1 WO0176127 A1 WO 0176127A1
Authority
WO
WIPO (PCT)
Prior art keywords
key
block
created
ats
unique
Prior art date
Application number
PCT/JP2001/002928
Other languages
English (en)
French (fr)
Inventor
Tomoyuki Asano
Yoshitomo Osawa
Motoki Kato
Original Assignee
Sony Corporation
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 Corporation filed Critical Sony Corporation
Priority to EP01919776.3A priority Critical patent/EP1185020B1/en
Priority to MXPA01012403A priority patent/MXPA01012403A/es
Priority to AU46831/01A priority patent/AU779115B2/en
Publication of WO2001076127A1 publication Critical patent/WO2001076127A1/ja
Priority to HK03102224.1A priority patent/HK1051269B/zh
Priority to US11/626,288 priority patent/US7882564B2/en
Priority to US12/613,255 priority patent/US8112811B2/en

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
    • G11B20/00086—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
    • G11B20/0021—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
    • G11B20/00246—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
    • 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
    • G11B20/00507—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 consecutive physical data units of the record carrier are encrypted with separate encryption keys, e.g. the key changes on a cluster or sector basis
    • 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
    • G11B20/00528—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 each title is encrypted with a separate encryption key for each title, e.g. title key for movie, song or data file
    • 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
    • G11B20/00536—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
    • 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
    • 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
    • G11B20/00775—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 wherein said copy control information is encoded in an encryption mode indicator [EMI]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Storage Device Security (AREA)
  • Television Signal Processing For Recording (AREA)
PCT/JP2001/002928 2000-04-04 2001-04-04 Appareil et procede d'enregistrement/reproduction d'information WO2001076127A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP01919776.3A EP1185020B1 (en) 2000-04-04 2001-04-04 Information recording/reproducing apparatus and method
MXPA01012403A MXPA01012403A (es) 2000-04-04 2001-04-04 Aparato y metodo para registrar / reproducir informacion.
AU46831/01A AU779115B2 (en) 2000-04-04 2001-04-04 Information recording/reproducing apparatus and method
HK03102224.1A HK1051269B (zh) 2000-04-04 2003-03-27 信息記錄/播放裝置和方法
US11/626,288 US7882564B2 (en) 2000-04-04 2007-01-23 Information recording/playback apparatus and method
US12/613,255 US8112811B2 (en) 2000-04-04 2009-11-05 Information playing/reproducing apparatus and method

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2000101862 2000-04-04
JP2000-101862 2000-04-04
JP2000-243207 2000-08-10
JP2000243207A JP4457474B2 (ja) 2000-04-04 2000-08-10 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、並びにプログラム提供媒体

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US09980390 A-371-Of-International 2001-04-04
US11/626,288 Continuation US7882564B2 (en) 2000-04-04 2007-01-23 Information recording/playback apparatus and method

Publications (1)

Publication Number Publication Date
WO2001076127A1 true WO2001076127A1 (fr) 2001-10-11

Family

ID=26589403

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2001/002928 WO2001076127A1 (fr) 2000-04-04 2001-04-04 Appareil et procede d'enregistrement/reproduction d'information

Country Status (9)

Country Link
US (3) US7181624B2 (ja)
EP (1) EP1185020B1 (ja)
JP (1) JP4457474B2 (ja)
KR (1) KR100693234B1 (ja)
CN (1) CN1197292C (ja)
AU (1) AU779115B2 (ja)
HK (1) HK1051269B (ja)
MX (1) MXPA01012403A (ja)
WO (1) WO2001076127A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7813249B2 (en) * 2002-01-28 2010-10-12 Sony Corporation Information recording apparatus and method, information reproduction apparatus and method, information recording medium, program storage medium and program

Families Citing this family (98)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5619501A (en) * 1994-04-22 1997-04-08 Thomson Consumer Electronics, Inc. Conditional access filter as for a packet video signal inverse transport system
JP4314713B2 (ja) * 2000-02-03 2009-08-19 ソニー株式会社 データ記録方法及び装置、データ再生方法及び装置、並びにデータ記録再生システム
JP4457474B2 (ja) * 2000-04-04 2010-04-28 ソニー株式会社 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、並びにプログラム提供媒体
EP1195416A3 (de) * 2000-10-05 2005-12-28 Degussa AG Polymerisierbare siliciumorganische Nanokapseln
TWI222583B (en) * 2001-04-13 2004-10-21 Matsushita Electric Ind Co Ltd Contents recording/duplicating device and recording media storing program for recording/duplicating contents
KR100982168B1 (ko) * 2001-05-09 2010-09-14 코닌클리케 필립스 일렉트로닉스 엔.브이. 기록매체 상에 저장된 암호화된 데이터를 복호화하는 방법및 장치
US7246235B2 (en) * 2001-06-28 2007-07-17 Intel Corporation Time varying presentation of items based on a key hash
JP4934923B2 (ja) * 2001-08-09 2012-05-23 ソニー株式会社 情報記録装置、情報再生装置、および情報記録方法、情報再生方法、並びにコンピュータ・プログラム
EP1288941A3 (de) * 2001-08-09 2003-03-12 Rainer Brang Verfahren zum Speichern einer Anzahl von Datensätzen auf Serien von informationsgleichen Datenträgern sowie Datenträger
WO2003034425A1 (en) * 2001-10-12 2003-04-24 Koninklijke Philips Electronics N.V. Apparatus and method for reading or writing block-wise stored user data
US20030123667A1 (en) * 2001-12-28 2003-07-03 Cable Television Laboratories, Inc. Method for encryption key generation
US9081725B2 (en) * 2002-03-19 2015-07-14 Shansun Technology Company Digital information protecting method and apparatus, and computer accessible recording medium
EP1490871A1 (en) * 2002-03-25 2004-12-29 Matsushita Electric Industrial Co., Ltd. Recording medium, recording apparatus, reading apparatus, and program and method therefore
US8214655B2 (en) 2002-03-29 2012-07-03 Kabushiki Kaisha Toshiba Data structure of multimedia file format, encrypting method and device thereof, and decrypting method and device thereof
JP4128395B2 (ja) * 2002-05-23 2008-07-30 三菱電機株式会社 データ変換装置
US7352867B2 (en) * 2002-07-10 2008-04-01 General Instrument Corporation Method of preventing unauthorized distribution and use of electronic keys using a key seed
JP3737798B2 (ja) * 2002-11-25 2006-01-25 株式会社東芝 送信装置、受信装置及び受信方法
US7305711B2 (en) * 2002-12-10 2007-12-04 Intel Corporation Public key media key block
JP2004214887A (ja) * 2002-12-27 2004-07-29 Philips Japan Ltd データ処理装置、データ記録再生装置、データ処理方法及びプログラム
JP2004272341A (ja) * 2003-03-05 2004-09-30 Sony Corp 再生方法および装置、記録方法および装置、プログラム記録媒体およびプログラム、並びに記録媒体
US20050244001A1 (en) * 2003-04-11 2005-11-03 Satoshi Kitani Information recording medium drive device
KR100974449B1 (ko) * 2003-04-24 2010-08-10 엘지전자 주식회사 광디스크의 복사 방지 정보 관리방법
KR100974448B1 (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
TWI250759B (en) * 2003-06-09 2006-03-01 Sony Corp Information recording medium, data processing method and computer program
JP4469587B2 (ja) * 2003-09-30 2010-05-26 株式会社東芝 情報記録装置及び情報記録方法、及びデジタル放送受信器
US7702592B2 (en) * 2003-11-14 2010-04-20 Sonic Solutions Secure transfer of content to writable media
JP4114605B2 (ja) * 2003-12-24 2008-07-09 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
US7802095B2 (en) * 2004-02-03 2010-09-21 Music Public Broadcasting, Inc. Method and system for preventing unauthorized recording of media content on a Macintosh operating system
US7499550B2 (en) * 2004-02-09 2009-03-03 International Business Machines Corporation System and method for protecting a title key in a secure distribution system for recordable media content
WO2006013924A1 (ja) * 2004-08-06 2006-02-09 Pioneer Corporation 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
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
US20060126831A1 (en) * 2004-12-14 2006-06-15 Cerruti Julian A Systems, methods, and media for adding an additional level of indirection to title key encryption
JP4665510B2 (ja) * 2004-12-20 2011-04-06 ソニー株式会社 暗号化データ記録装置
JP2006295872A (ja) * 2005-03-18 2006-10-26 Matsushita Electric Ind Co Ltd 機器固有鍵の生成方法、これを用いた機密情報処理機能を備えた機密情報ｌｓｉ、これを搭載したホスト機器、これに用いられる認証機能付き記録媒体、および認証機能を備えた記録媒体付き携帯端末
KR100717681B1 (ko) * 2005-03-24 2007-05-11 주식회사 케이티프리텔 단일 주파수망에서의 암호화된 방송신호 송출 시스템 및 그방법
CN101167356B (zh) * 2005-03-24 2013-03-06 客得富移动通信股份有限公司 针对单频网络中各个发射机的条件接入系统及方法
US8316416B2 (en) 2005-04-04 2012-11-20 Research In Motion Limited Securely using a display to exchange information
US9143323B2 (en) * 2005-04-04 2015-09-22 Blackberry Limited Securing a link between two devices
US8176565B2 (en) * 2005-04-15 2012-05-08 Sony Corporation Information processing apparatus, information processing method, and computer program
KR100762957B1 (ko) * 2005-07-19 2007-10-04 삼성전자주식회사 ＡＶ(Ａｕｄｉｏ Ｖｉｓｕａｌ) 스트림을 디스크램블하는방법 및 장치
EP2276027A3 (en) 2005-07-19 2012-03-14 Samsung Electronics Co., Ltd. Method and apparatus for a scrambled part of content
JP2007058910A (ja) * 2005-08-22 2007-03-08 Funai Electric Co Ltd ハードディスクレコーダ
GB2431250A (en) 2005-10-11 2007-04-18 Hewlett Packard Development Co Data transfer system
GB2431249A (en) 2005-10-11 2007-04-18 Hewlett Packard Development Co Removable data storage item and key distribution
GB2431252B (en) * 2005-10-11 2010-06-09 Hewlett Packard Development Co Data transfer device
GB2431254A (en) * 2005-10-11 2007-04-18 Hewlett Packard Development Co Data transfer system
GB2431488A (en) * 2005-10-11 2007-04-25 Hewlett Packard Development Co Data transfer device
US20070162626A1 (en) * 2005-11-02 2007-07-12 Iyer Sree M System and method for enhancing external storage
GB2435333B (en) 2006-02-01 2010-07-14 Hewlett Packard Development Co Data transfer device
US8670566B2 (en) * 2006-05-12 2014-03-11 Blackberry Limited System and method for exchanging encryption keys between a mobile device and a peripheral output device
US10073743B2 (en) 2006-07-26 2018-09-11 Hewlett Packard Enterprise Development Lp Data storage arrangement and key distribution
US8473701B2 (en) * 2006-10-11 2013-06-25 International Business Machines Corporation Storage media to storage drive centric security
US7876894B2 (en) * 2006-11-14 2011-01-25 Mcm Portfolio Llc Method and system to provide security implementation for storage devices
US7711213B2 (en) * 2007-01-29 2010-05-04 Hewlett-Packard Development Company, L.P. Nanowire-based modulators
US20080181406A1 (en) * 2007-01-30 2008-07-31 Technology Properties Limited System and Method of Storage Device Data Encryption and Data Access Via a Hardware Key
US20090046858A1 (en) * 2007-03-21 2009-02-19 Technology Properties Limited System and Method of Data Encryption and Data Access of a Set of Storage Devices via a Hardware Key
US20080184035A1 (en) * 2007-01-30 2008-07-31 Technology Properties Limited System and Method of Storage Device Data Encryption and Data Access
US20080288782A1 (en) * 2007-05-18 2008-11-20 Technology Properties Limited Method and Apparatus of Providing Security to an External Attachment Device
US20080226078A1 (en) * 2007-03-12 2008-09-18 Microsoft Corporation Enabling recording and copying data
US7965844B2 (en) * 2007-03-20 2011-06-21 International Business Machines Corporation System and method for processing user data in an encryption pipeline
US9171569B2 (en) 2007-04-27 2015-10-27 Google Technology Holdings LLC Method and apparatus for assisting with content key changes
US7676653B2 (en) * 2007-05-09 2010-03-09 Xmos Limited Compact instruction set encoding
US20080288703A1 (en) * 2007-05-18 2008-11-20 Technology Properties Limited Method and Apparatus of Providing Power to an External Attachment Device via a Computing Device
US8908870B2 (en) * 2007-11-01 2014-12-09 Infineon Technologies Ag Method and system for transferring information to a device
US8627079B2 (en) * 2007-11-01 2014-01-07 Infineon Technologies Ag Method and system for controlling a device
US20090300767A1 (en) * 2008-06-02 2009-12-03 Sony Corporation Method for out of band license acquisition associated with content redistributed using link protection
US20090119784A1 (en) * 2007-11-07 2009-05-07 Sony Corporation Out of band license acquisition including content identification
EP2066069A1 (fr) 2007-11-27 2009-06-03 Nagravision S.A. Méthode d'enregistrement et de restitution d'un contenu chiffré par une unité de traitement
US20090172778A1 (en) * 2007-12-26 2009-07-02 Randall Stephens Rule-based security system and method
US9069706B2 (en) * 2008-02-11 2015-06-30 Nvidia Corporation Confidential information protection system and method
US9158896B2 (en) * 2008-02-11 2015-10-13 Nvidia Corporation Method and system for generating a secure key
JP2009193623A (ja) * 2008-02-13 2009-08-27 Toshiba Corp 記録装置、再生装置、記録プログラム及び再生プログラム
US9613215B2 (en) 2008-04-10 2017-04-04 Nvidia Corporation Method and system for implementing a secure chain of trust
WO2010116618A1 (ja) 2009-04-06 2010-10-14 パナソニック株式会社 鍵実装システム
US8775825B2 (en) * 2009-08-17 2014-07-08 Cram Worldwide Llc Digital content management and delivery
US8555332B2 (en) 2010-08-20 2013-10-08 At&T Intellectual Property I, L.P. System for establishing communications with a mobile device server
US8438285B2 (en) 2010-09-15 2013-05-07 At&T Intellectual Property I, L.P. System for managing resources accessible to a mobile device server
US8478905B2 (en) 2010-10-01 2013-07-02 At&T Intellectual Property I, Lp System for synchronizing to a mobile device server
US8989055B2 (en) 2011-07-17 2015-03-24 At&T Intellectual Property I, L.P. Processing messages with a device server operating in a telephone
US8443420B2 (en) * 2010-10-01 2013-05-14 At&T Intellectual Property I, L.P. System for communicating with a mobile device server
US8516039B2 (en) 2010-10-01 2013-08-20 At&T Intellectual Property I, L.P. Apparatus and method for managing mobile device servers
US8504449B2 (en) 2010-10-01 2013-08-06 At&T Intellectual Property I, L.P. Apparatus and method for managing software applications of a mobile device server
GB2485142A (en) * 2010-10-27 2012-05-09 Nds Ltd Secure broadcast/multicast of media content
US9392316B2 (en) 2010-10-28 2016-07-12 At&T Intellectual Property I, L.P. Messaging abstraction in a mobile device server
US9066123B2 (en) 2010-11-30 2015-06-23 At&T Intellectual Property I, L.P. System for monetizing resources accessible to a mobile device server
US20120137137A1 (en) * 2010-11-30 2012-05-31 Brickell Ernest F Method and apparatus for key provisioning of hardware devices
US9699147B2 (en) * 2011-10-10 2017-07-04 Xiamen Geeboo Information Technology Co. Ltd. Method for encrypting digital file
US8897157B2 (en) 2011-12-16 2014-11-25 Maxlinear, Inc. Method and apparatus for providing conditional access based on channel characteristics
US9489924B2 (en) 2012-04-19 2016-11-08 Nvidia Corporation Boot display device detection and selection techniques in multi-GPU devices
US9361483B2 (en) * 2012-07-10 2016-06-07 Forcepoint Federal Llc Anti-wikileaks USB/CD device
US9462332B2 (en) 2012-12-05 2016-10-04 At&T Intellectual Property I, L.P. Method and apparatus for controlling a media device
US9451578B2 (en) * 2014-06-03 2016-09-20 Intel Corporation Temporal and spatial bounding of personal information
GB2528959C (en) * 2014-08-07 2017-06-28 Gurulogic Microsystems Oy Encoder, decoder and methods
US9954833B2 (en) 2015-07-23 2018-04-24 Airwatch Llc Management of access sessions
KR102495359B1 (ko) 2017-10-27 2023-02-02 삼성전자주식회사 객체 트래킹 방법 및 장치
CN111510745B (zh) * 2020-03-27 2021-01-19 曹新 一种互联网视频数据加密传输方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0874503A2 (en) * 1997-04-23 1998-10-28 Sony Corporation Data transmitting and/or receiving apparatus, methods and systems for preventint illegal use of data
EP0924930A2 (en) * 1997-12-15 1999-06-23 Hitachi, Ltd. A digital information recording apparatus with copyright protection
JPH11224456A (ja) * 1998-02-06 1999-08-17 Sony Corp 情報処理装置、情報処理方法、提供媒体、および記録媒体

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5548646A (en) * 1994-09-15 1996-08-20 Sun Microsystems, Inc. System for signatureless transmission and reception of data packets between computer networks
KR0152788B1 (ko) * 1994-11-26 1998-10-15 이헌조 디지탈 영상 시스템의 복사 방지 방법 및 장치
US5812663A (en) * 1994-12-29 1998-09-22 Fujitsu Limited Data reproducing device
DE69610052T2 (de) 1995-03-28 2001-04-12 Koninklijke Philips Electronics N.V., Eindhoven Aufzeichnung und wiedergabe eines informationssignals mit in dessem seriellen datenstrom unregelmässig als zeitfunktion auftretenden paketen
JP3590143B2 (ja) * 1995-07-28 2004-11-17 株式会社東芝 電子メール転送装置
US5559875A (en) 1995-07-31 1996-09-24 Latitude Communications Method and apparatus for recording and retrieval of audio conferences
DE69634850T2 (de) * 1995-10-09 2006-05-18 Matsushita Electric Industrial Co., Ltd., Kadoma Informationsaufzeichnungsträger, informationswiedergabegerät und informationswiedergabeverfahren
JP3159041B2 (ja) * 1996-03-05 2001-04-23 株式会社日立製作所 ディジタル信号記録再生装置および再生装置
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
US6529602B1 (en) 1997-08-19 2003-03-04 Walker Digital, Llc Method and apparatus for the secure storage of audio signals
US6055316A (en) * 1997-12-26 2000-04-25 Sun Microsystems, Inc. System and method for deriving an appropriate initialization vector for secure communications
JPH11224461A (ja) * 1998-02-06 1999-08-17 Sony Corp 情報処理装置、情報処理方法、提供媒体、および記録媒体
JP3835655B2 (ja) * 1998-06-09 2006-10-18 ソニー株式会社 情報信号再生装置、情報信号処理装置、情報信号再生方法および情報信号出力方法
KR100302489B1 (ko) * 1999-10-11 2001-11-02 윤종용 반도체 메모리 장치 및 이 장치의 배치방법
JP2001177794A (ja) * 1999-12-21 2001-06-29 Victor Co Of Japan Ltd タイムスタンプ情報処理装置
JP4457474B2 (ja) * 2000-04-04 2010-04-28 ソニー株式会社 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、並びにプログラム提供媒体
US7684565B2 (en) * 2001-01-16 2010-03-23 General Instrument Corporation System for securely communicating information packets

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0874503A2 (en) * 1997-04-23 1998-10-28 Sony Corporation Data transmitting and/or receiving apparatus, methods and systems for preventint illegal use of data
EP0924930A2 (en) * 1997-12-15 1999-06-23 Hitachi, Ltd. A digital information recording apparatus with copyright protection
JPH11224456A (ja) * 1998-02-06 1999-08-17 Sony Corp 情報処理装置、情報処理方法、提供媒体、および記録媒体

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7813249B2 (en) * 2002-01-28 2010-10-12 Sony Corporation Information recording apparatus and method, information reproduction apparatus and method, information recording medium, program storage medium and program

Also Published As

Publication number Publication date
US7882564B2 (en) 2011-02-01
EP1185020B1 (en) 2013-07-17
JP2001351324A (ja) 2001-12-21
HK1051269B (zh) 2005-11-04
HK1051269A1 (en) 2003-07-25
US20070116278A1 (en) 2007-05-24
AU4683101A (en) 2001-10-15
US8112811B2 (en) 2012-02-07
AU779115B2 (en) 2005-01-06
EP1185020A4 (en) 2008-09-03
JP4457474B2 (ja) 2010-04-28
KR100693234B1 (ko) 2007-03-12
CN1197292C (zh) 2005-04-13
CN1372738A (zh) 2002-10-02
EP1185020A1 (en) 2002-03-06
US20030095664A1 (en) 2003-05-22
MXPA01012403A (es) 2002-06-07
KR20020021116A (ko) 2002-03-18
US7181624B2 (en) 2007-02-20
US20100054462A1 (en) 2010-03-04

Similar Documents

Publication Publication Date Title
WO2001076127A1 (fr) Appareil et procede d'enregistrement/reproduction d'information
EP1187391A3 (en) Encrypted information recording
CA2372545A1 (en) Information recording/reproducing apparatus and method
RU2007147760A (ru) Способ для защиты контента на носителе записи и носитель записи, хранящий контент, защищенный этим способом
MY128112A (en) Optical disc, optical disc recording and reproducing apparatus, and optical disc recording and reproducing method
EP0751517A3 (en) Data record media
EP1288948A4 (en) RECORDING MEDIUM, RECORDING METHOD FOR RECORDING MEDIUM, STARTING PROCEDURE, REPRODUCTION DEVICE, RECORDING / PLAYING PROCEDURE, PLAYBACK DEVICE, RECORDING / PLAYING PROCEDURE, RECORDING METHOD, RECORDING / REPRODUCTION METHOD AND RECORDING AND / OR PLAYBACK METHOD
AU2001262803A1 (en) Certification method using variable encryption key system based on encryption key of certification medium and inherent information of computer hardware, and certification medium for storing the same and indicating effective term and authorization thereof
IN2012DN01977A (ja)
DK1195734T3 (da) Anlæg til dataautentificering
MY125354A (en) A semiconductor memory card, playback apparatus, recording apparatus, playback method, recording method, and computer-readable recording medium
SG129227A1 (en) Recording and/or reproduction method
TW200631372A (en) Content management method and recording medium
SG95677A1 (en) Disk-like recording medium, disk recording apparatus and disk recording method, and disk playback apparatus and disk playback method
WO2006023488A3 (en) High security media encryption
DE60141322D1 (de) Informationspeichermedium, Videoaufzeichnungsverfahren und Informationswiedergabegerät
TW200502758A (en) Portable secure information accessing system and method thereof
WO2003038821A1 (fr) Support d'enregistrement, procede et appareil d'enregistrement pour support d'enregistrement, et procede et appareil de lecture pour support d'enregistrement
EP1162617A3 (en) Information distributing apparatus and method, information recording medium, and information recording apparatus and method
TW200641842A (en) Recording medium, authoring device, and authoring method
WO2005055205A3 (en) Method of creating playback control file for recording medium and method and apparatus for reproducing data using the playback control file
WO2002048742A1 (fr) Dispositif et procede permettant d'analyser une correlation entre des donnees sur le monde normal et des donnees sismiques, dispositif et procede de surveillance de donnees sur le monde normal, et technique de surveillance des seismes
EP1610322A4 (en) RETRIEVABLE INFORMATION RECORDING MEDIUM, INFORMATION RECORDING PROCEDURE, INFORMATION REPRODUCTION PROCESS, INFORMATION RECORDING DEVICE, AND INFORMATION REPRODUCING DEVICE
WO1999048096A3 (en) Recording/reproduction and/or editing of real time information on/from a disc like record carrier
WO2002095748A3 (en) Record carrier with hidden channel

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AU CN ID IN KR MX RU SG US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE TR

WWE Wipo information: entry into national phase

Ref document number: 2001919776

Country of ref document: EP

Ref document number: IN/PCT/2001/01477/MU

Country of ref document: IN

WWE Wipo information: entry into national phase

Ref document number: PA/a/2001/012403

Country of ref document: MX

Ref document number: 1020017015582

Country of ref document: KR

121 Ep: the epo has been informed by wipo that ep was designated in this application
WWE Wipo information: entry into national phase

Ref document number: 46831/01

Country of ref document: AU

ENP Entry into the national phase

Ref document number: 2002 2002100036

Country of ref document: RU

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 018012140

Country of ref document: CN

WWP Wipo information: published in national office

Ref document number: 2001919776

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 09980390

Country of ref document: US