ATE400031T1 - Verfahren und system zur sicheren inhaltsverteilung - Google Patents

Verfahren und system zur sicheren inhaltsverteilung

Info

Publication number
ATE400031T1
ATE400031T1 AT02765236T AT02765236T ATE400031T1 AT E400031 T1 ATE400031 T1 AT E400031T1 AT 02765236 T AT02765236 T AT 02765236T AT 02765236 T AT02765236 T AT 02765236T AT E400031 T1 ATE400031 T1 AT E400031T1
Authority
AT
Austria
Prior art keywords
content
additional content
basic
protected
additional
Prior art date
Application number
AT02765236T
Other languages
English (en)
Inventor
Declan Kelly
Gestel Wilhelmus Van
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE400031T1 publication Critical patent/ATE400031T1/de

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00855—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a step of exchanging information with a remote server
    • G11B20/00869—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a step of exchanging information with a remote server wherein the remote server can deliver the content to a receiving device
    • 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
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • 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
    • 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
    • G11B20/00333—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 header data, e.g. in sector headers
    • 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
    • G11B20/0042—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 copy protection scheme being related to a specific access protection standard
    • G11B20/00449—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 copy protection scheme being related to a specific access protection standard content scrambling system [CSS]
    • 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
    • G11B20/10—Digital recording or reproducing
    • G11B2020/10935—Digital recording or reproducing wherein a time constraint must be met
    • G11B2020/10953—Concurrent recording or playback of different streams or files
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Technology Law (AREA)
  • Storage Device Security (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Reverberation, Karaoke And Other Acoustics (AREA)
AT02765236T 2001-10-12 2002-09-12 Verfahren und system zur sicheren inhaltsverteilung ATE400031T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01203911 2001-10-12

Publications (1)

Publication Number Publication Date
ATE400031T1 true ATE400031T1 (de) 2008-07-15

Family

ID=8181074

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02765236T ATE400031T1 (de) 2001-10-12 2002-09-12 Verfahren und system zur sicheren inhaltsverteilung

Country Status (9)

Country Link
US (1) US20030072453A1 (de)
EP (1) EP1442351B1 (de)
JP (1) JP2005505846A (de)
KR (1) KR20040045821A (de)
CN (1) CN1568446A (de)
AT (1) ATE400031T1 (de)
DE (1) DE60227403D1 (de)
ES (1) ES2309194T3 (de)
WO (1) WO2003034190A2 (de)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7353543B2 (en) * 2003-01-10 2008-04-01 Matsushita Electric Industrial Co., Ltd. Contents distribution system
WO2004097661A1 (en) * 2003-05-01 2004-11-11 Samsung Electronics Co., Ltd. Authenticating method and apparatus
KR101036475B1 (ko) 2003-05-27 2011-05-24 엘지전자 주식회사 메인 데이터 및 이의 부가 컨텐츠 데이터를 관리하기 위한데이터 구조를 갖는 기록 매체와 그에 따른 기록 및 재생방법 및 장치
WO2005008452A1 (en) * 2003-07-22 2005-01-27 Koninklijke Philips Electronics N.V. Record carrier, read-out device and method for reading carrier data and network data
KR20050018315A (ko) * 2003-08-05 2005-02-23 삼성전자주식회사 텍스트 자막을 다운로드받기 위한 정보를 저장하는정보저장매체, 자막 재생 방법 및 장치
CN1607589A (zh) * 2003-10-13 2005-04-20 皇家飞利浦电子股份有限公司 光盘、播放光盘的播放器及其播放方法
EP1524659A1 (de) * 2003-10-13 2005-04-20 Deutsche Thomson-Brandt Gmbh Verfahren und Vorrichtung um einen verschlüsselten Zusatzdatensatz zu entschlüsseln
US7577253B2 (en) 2003-11-13 2009-08-18 Irdeto Eindhoven B.V. Conditional access method and devices
CN1906882B (zh) * 2003-11-14 2012-12-12 极速决件有限公司 内容到可写介质的安全传输
KR20050047710A (ko) 2003-11-18 2005-05-23 엘지전자 주식회사 고밀도 광디스크의 합성 플레이리스트 생성방법, 관리방법및 재생방법과 기록재생장치
KR20050048848A (ko) * 2003-11-20 2005-05-25 엘지전자 주식회사 고밀도 광디스크의 플레이리스트 생성방법, 관리방법 및재생방법과 기록재생장치
KR20050049924A (ko) * 2003-11-24 2005-05-27 엘지전자 주식회사 고밀도 광디스크의 플레이리스트 구성방법, 관리방법 및재생방법과 기록재생장치
US8073143B2 (en) 2004-01-29 2011-12-06 Sony Corporation Information processing device and method
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
US7725010B2 (en) * 2004-08-17 2010-05-25 Lg Electronics, Inc. Method and apparatus of reproducing data recorded on recording medium and local storage
US7613384B2 (en) * 2004-08-17 2009-11-03 Lg Electronics Inc. Method for configuring composite file structure for data reproduction, and method and apparatus for reproducing data using the composite file structure
US7609939B2 (en) * 2004-08-17 2009-10-27 Lg Electronics Inc. Method and apparatus of reproducing data recorded on recording medium and local storage
US7609945B2 (en) * 2004-08-17 2009-10-27 Lg Electronics Inc. Recording medium, and method and apparatus for reproducing data from the recording medium
US7599611B2 (en) * 2004-09-13 2009-10-06 Lg Electronics Co. Recording medium, and method and apparatus of reproducing data recorded on the same
US20060056804A1 (en) * 2004-09-13 2006-03-16 Seo Kang S Recording medium, and method and apparatus for reproducing data from the recording medium
US20060077817A1 (en) * 2004-09-13 2006-04-13 Seo Kang S Method and apparatus for reproducing data from recording medium using local storage
WO2006031048A2 (en) * 2004-09-13 2006-03-23 Lg Electronics Inc. Method and apparatus for reproducing a data recorded in recording medium using a local storage
TWI400696B (zh) * 2004-10-07 2013-07-01 Koninkl Philips Electronics Nv 光碟、播放光碟之播放器及其播放方法
KR20060047549A (ko) * 2004-10-12 2006-05-18 엘지전자 주식회사 로컬 스토리지를 이용한 기록매체 재생방법 및 재생장치
KR20060063601A (ko) * 2004-12-03 2006-06-12 엘지전자 주식회사 로컬 스토리지에 데이터를 다운로드/업데이트 하는 방법 및장치
US7783161B2 (en) * 2004-11-08 2010-08-24 Lg Electronics Inc. Method and apparatus for reproducing data from recording medium using local storage
WO2006049476A2 (en) 2004-11-08 2006-05-11 Lg Electronics Inc. Method and apparatus for reproducing data from recording medium using local storage
KR20060065476A (ko) * 2004-12-10 2006-06-14 엘지전자 주식회사 기록매체, 기록매체 내의 콘텐츠 서치방법 및 기록매체재생방법과 재생장치
KR20060081338A (ko) * 2005-01-07 2006-07-12 엘지전자 주식회사 공유 콘텐츠 보호방법, 로컬 스토리지를 이용한 기록매체재생방법 및 재생장치
KR20060081323A (ko) * 2005-01-07 2006-07-12 엘지전자 주식회사 로컬 스토리지를 이용한 기록매체 재생방법 및 재생장치
EP1839307A4 (de) * 2005-01-19 2010-01-27 Lg Electronics Inc Aufzeichnungsmedium, vorrichtung zur datenentschlüsselung und verfahren dafür
KR101147763B1 (ko) * 2005-01-19 2012-05-25 엘지전자 주식회사 데이터 복호방법 및 복호장치, 기록매체
US7307423B2 (en) * 2005-05-05 2007-12-11 Wisconsin A.Umni Research Foundation Magnetic resonance elastography using multiple drivers
US9063941B2 (en) 2005-06-03 2015-06-23 Hewlett-Packard Development Company, L.P. System having an apparatus that uses a resource on an external device
JP4687424B2 (ja) * 2005-11-25 2011-05-25 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
CN1863278A (zh) * 2006-01-09 2006-11-15 华为技术有限公司 一种实现字幕功能的方法及系统
FR2896907A1 (fr) * 2006-01-31 2007-08-03 Thomson Licensing Sa Methode de gravure et de distribution de donnees numeriques et dispositif associe.
EP1855223A1 (de) * 2006-05-12 2007-11-14 Telefonaktiebolaget LM Ericsson (publ) Ausweitung des DRM-Bereichs auf externe Vorrichtungen
US7716699B2 (en) * 2006-06-29 2010-05-11 Microsoft Corporation Control and playback of media over network link
US20080181585A1 (en) * 2007-01-26 2008-07-31 Disney Enterprises, Inc. System and Method for Allocating Excess Capacity on a Storage Medium
KR20090076606A (ko) * 2008-01-09 2009-07-13 삼성전자주식회사 컨텐츠 기록 방법, 타이틀 키 제공 방법, 컨텐츠 기록 장치및 컨텐츠 제공 서버
WO2009104845A1 (en) * 2008-02-19 2009-08-27 Samsung Electronics Co., Ltd. Method and apparatus for recording contents
US8554056B2 (en) * 2008-09-30 2013-10-08 Cyberlink Corp. Systems and methods for integrating interactive features into multiple media content sources
JP5298744B2 (ja) * 2008-10-02 2013-09-25 富士通株式会社 情報処理装置、制御方法及び制御プログラム
CN102419835B (zh) * 2011-10-28 2014-07-09 中国舰船研究设计中心 一种级联式定密信息同步处理系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US25340A (en) * 1859-09-06 Submerged pump
US6055314A (en) * 1996-03-22 2000-04-25 Microsoft Corporation System and method for secure purchase and delivery of video content programs
IL131876A0 (en) * 1997-03-14 2001-03-19 Cryptoworks Inc Digital product rights management technique
US5987525A (en) * 1997-04-15 1999-11-16 Cddb, Inc. Network delivery of interactive entertainment synchronized to playback of audio recordings
US6240183B1 (en) * 1997-06-19 2001-05-29 Brian E. Marchant Security apparatus for data transmission with dynamic random encryption
US6529949B1 (en) * 2000-02-07 2003-03-04 Interactual Technologies, Inc. System, method and article of manufacture for remote unlocking of local content located on a client device
US20030002671A1 (en) * 2001-06-11 2003-01-02 Eastman Kodak Company Delivery of electronic content over a network using a hybrid optical disk for authentication
US7155609B2 (en) * 2001-06-14 2006-12-26 Microsoft Corporation Key exchange mechanism for streaming protected media content
US20030188183A1 (en) * 2001-08-27 2003-10-02 Lee Lane W. Unlocking method and system for data on media

Also Published As

Publication number Publication date
JP2005505846A (ja) 2005-02-24
WO2003034190A2 (en) 2003-04-24
CN1568446A (zh) 2005-01-19
KR20040045821A (ko) 2004-06-02
DE60227403D1 (de) 2008-08-14
ES2309194T3 (es) 2008-12-16
US20030072453A1 (en) 2003-04-17
EP1442351B1 (de) 2008-07-02
WO2003034190A3 (en) 2004-01-15
EP1442351A2 (de) 2004-08-04

Similar Documents

Publication Publication Date Title
ATE400031T1 (de) Verfahren und system zur sicheren inhaltsverteilung
ATE386290T1 (de) Zugriffsystem und -verfahren zum geschützten inhalt in einem berechtigungverwaltungssystem
DE69426828D1 (de) System und verfahren zur beglaubigung von informationsträgern
WO2006046099A3 (en) Content playback apparatus, content playback method, computer program, key relay apparatus, and recording medium
MY121311A (en) Information processing apparatus, information processing method, information processing system and recording medium
DE60126874D1 (de) Vorrichtung und verfahren zur informationsverarbeitung
ATE522039T1 (de) Vorrichtung und verfahren zur verarbeitung von verschlüsselten daten
WO2007142615A3 (en) System and method for intelligence based security
WO2002001326A3 (en) System and method for client interaction in a multi-level rights-management architecture
DE60239718D1 (de) Informationsverarbeitungsgerät und seine Steuerverfahren, Computerprogramm, und Speichermedium
ATE381760T1 (de) Verfahren und gerät zur verhinderung der unberechtigten benutzung von multimediainhalt
ATE349039T1 (de) Vorrichtung und verfahren zur verteilung von zugangsdaten für inhalte
EP1020813A3 (de) Verfahren und Einrichtung zur gesicherten Bestimmung von Aspekten der Geschichte eines Produktes
DE69926970D1 (de) Selbstschützende Dokumente
KR20020068471A (ko) 안전한 디지털 미디어 및 콘텐츠 배포를 위한 워터마크시스템
ATE271253T1 (de) Kopierschutzsystem
BR0304408A (pt) Processos dissuasor de réplica de teor em discos ópticos
EP1039462A3 (de) Verarbeitungsverfahren und Gerät zur Übertragung von verschlüsselten Daten
ATE433587T1 (de) System und verfahren zur verwaltung von digitalen rechten für urheberrechtsschutz von dateninhalten
WO2005015557A3 (en) Reproducing encrypted content using region keys
BR0306937A (pt) Sistema, método, aparelho e meio de gravação, programa para um aparelho de gravação, dispositivo de entrada, método de entrada e programa para um dispositivo de entrada, sistema, método e aparelho de reprodução, e, programa para um aparelho de reprodução
WO2003030167A1 (fr) Disque optique
EP1498894A3 (de) Informationsaufzeichnungs- und Wiedergabegerät, und Informationsaufzeichnungs- und Löschverfahren
TW200514030A (en) Content protection method and system
ATE442650T1 (de) Verfahren und vorrichtung zur verhinderung von unerlaubter vervielfältigung von digitalen inhalten

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties