JP2007519307A - 物理媒体上のマルチディアコンテンツを配信して再生するシステム、方法、およびサービス - Google Patents
物理媒体上のマルチディアコンテンツを配信して再生するシステム、方法、およびサービス Download PDFInfo
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- JP2007519307A JP2007519307A JP2006540436A JP2006540436A JP2007519307A JP 2007519307 A JP2007519307 A JP 2007519307A JP 2006540436 A JP2006540436 A JP 2006540436A JP 2006540436 A JP2006540436 A JP 2006540436A JP 2007519307 A JP2007519307 A JP 2007519307A
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- 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
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- 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
- G11B20/00123—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers the record carrier being identified by recognising some of its unique characteristics, e.g. a unique defect pattern serving as a physical signature of 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
- G11B20/00217—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
- G11B20/00253—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier
- G11B20/00362—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier the key being obtained from a media key block [MKB]
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- 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
- G11B20/0071—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a purchase action
-
- 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
-
- 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
- G11B20/00978—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy wherein the record carrier stores a trial version of a content
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/12—Applying verification of the received information
- H04L63/123—Applying verification of the received information received data contents, e.g. message integrity
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
Description
“price=<price>\n”.
Claims (11)
- 物理媒体上のマルチメディアコンテンツを配信する方法であって、少なくとも1つのメディアキーブロックを前記物理媒体上に配置するステップと、前記物理媒体上の前記マルチメディアコンテンツを、それぞれ異なる暗号化キーで暗号化した複数の部分に分割するステップと、前記メディアキーブロックから抽出したキーを用いて前記暗号化キーを暗号化するステップと、暗号化された前記暗号化キーを、前記物理媒体のプレーヤに配信するステップとを含む、方法。
- 物理媒体上のマルチメディアコンテンツを再生する方法であって、前記物理媒体上の個々の部分を識別するステップと、前記物理媒体上のメディアキーブロックを識別するステップと、暗号化された暗号化キーを受信するステップと、前記メディアキーブロックから抽出した別の暗号化キーを用いて暗号化した暗号化キーを復号するステップと、前記物理媒体上の1以上の前記個々の部分を復号して再生するステップとを含む、方法。
- 前記暗号化された暗号化キーはネットワークを介して送信される、請求項1または請求項2に記載の方法。
- 前記ネットワークを介して送信することが、安全なプロトコルを必要とし、
前記方法は、前記物理媒体上の安全なプロトコルに必要なデータを識別することをさらに含む、請求項3に記載の方法。 - 前記暗号化された暗号化キーが、前記部分の再生に関する価格に対応付けられている、請求項1乃至請求項4のいずれかの請求項に記載の方法。
- 前記価格を、前記暗号化された暗号化キーと同時に配信することをさらに含む、請求項5に記載の方法。
- 前記暗号化された暗号化キーが配信される場合、前記価格を判定することをさらに含む、請求項5に記載の方法。
- 前記暗号化された暗号化キーを最大価格に対応付けることをさらに含む、請求項1または請求項2に記載の方法。
- 前記最大価格に達した場合は、前記部分の再生をしないことをさらに含む、請求項8に記載の方法。
- 請求項1乃至請求項9のいずれかの請求項に記載のステップを実行するプログラムコードを備える、コンピュータプログラム。
- 物理媒体上のマルチメディアコンテンツを配信するサービスであって、少なくとも1つのメディアキーブロックを前記物理媒体上に配置することと、前記物理媒体上の前記マルチメディアコンテンツを、それぞれ異なる暗号化キーで暗号化した複数の部分に分割することと、前記メディアキーブロックから抽出したキーを用いて前記暗号化キーを暗号化することと、暗号化した前記暗号化キーを、前記物理媒体のプレーヤに配信することを含む、サービス。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/723,403 | 2003-11-26 | ||
US10/723,403 US7539307B2 (en) | 2003-11-26 | 2003-11-26 | System, method, and service for delivering enhanced multimedia content on physical media |
PCT/EP2004/052886 WO2005052932A1 (en) | 2003-11-26 | 2004-11-09 | Secure multimedia content delivery on storage media |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007519307A true JP2007519307A (ja) | 2007-07-12 |
JP4750038B2 JP4750038B2 (ja) | 2011-08-17 |
Family
ID=34592253
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006540436A Expired - Fee Related JP4750038B2 (ja) | 2003-11-26 | 2004-11-09 | 物理媒体上のマルチディアコンテンツを配信して再生するシステム、方法、およびサービス |
Country Status (5)
Country | Link |
---|---|
US (2) | US7539307B2 (ja) |
EP (1) | EP1700302A1 (ja) |
JP (1) | JP4750038B2 (ja) |
CN (1) | CN1879155B (ja) |
WO (1) | WO2005052932A1 (ja) |
Cited By (1)
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JP2011503923A (ja) * | 2007-09-28 | 2011-01-27 | ディズニー エンタープライゼス インコーポレイテッド | フレキシブルフォーマットのメディアコンテンツ及びその提供方法 |
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2003
- 2003-11-26 US US10/723,403 patent/US7539307B2/en not_active Expired - Fee Related
-
2004
- 2004-11-09 WO PCT/EP2004/052886 patent/WO2005052932A1/en active Application Filing
- 2004-11-09 JP JP2006540436A patent/JP4750038B2/ja not_active Expired - Fee Related
- 2004-11-09 CN CN2004800334863A patent/CN1879155B/zh not_active Expired - Fee Related
- 2004-11-09 EP EP04819237A patent/EP1700302A1/en not_active Withdrawn
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2009
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Also Published As
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JP4750038B2 (ja) | 2011-08-17 |
US20050111663A1 (en) | 2005-05-26 |
US7881476B2 (en) | 2011-02-01 |
US7539307B2 (en) | 2009-05-26 |
US20090185688A1 (en) | 2009-07-23 |
EP1700302A1 (en) | 2006-09-13 |
CN1879155B (zh) | 2011-12-07 |
WO2005052932A1 (en) | 2005-06-09 |
CN1879155A (zh) | 2006-12-13 |
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