JP4767810B2 - Drmライセンス提供方法及びシステム - Google Patents
Drmライセンス提供方法及びシステム Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
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- 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]
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
- H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
- H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
- H04L69/329—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions in the application layer [OSI layer 7]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/321—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving a third party or a trusted authority
- H04L9/3213—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving a third party or a trusted authority using tickets or tokens, e.g. Kerberos
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2115—Third party
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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
- G11B20/00137—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
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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
- G11B20/00188—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
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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
- G11B20/0021—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
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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
- G11B20/0021—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
- G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
- G11B20/00847—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 is defined by a licence file
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/60—Digital content management, e.g. content distribution
- H04L2209/603—Digital right managament [DRM]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2463/00—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00
- H04L2463/101—Additional details relating to network architectures or network communication protocols for network security covered by H04L63/00 applying security measures for digital rights management
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- Computer Hardware Design (AREA)
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- Information Transfer Between Computers (AREA)
Description
Kd_1、Kd_2、Kd_3、Kd_4、Kd_5、Kd_6を用いてCEKを暗号化してDRMライセンスを提供できる(S204)。この時、CEKはディジタルコンテンツを暗号化したキーを示す。
450 ネットワーク
500 ソースシステム
550 ウェブサービスサーバー
600 権利仲裁者
700 シンクシステム
750 クライアント
Claims (6)
- 複数のプリンシパルに提供する、コンテンツに関するライセンスを要請するクライアントと、
各々が前記要請に応じて前記ライセンスを提供する前記複数のプリンシパル間の関係を示す経路情報を含むバインディング情報を含む複数の第1の権利トークンを生成して提供するウェブサービスサーバと、
前記複数の第1の権利トークンを結合することにより、前記クライアントが利用可能な第2の権利トークンを生成して前記クライアントに伝送する権利仲裁装置とを含み、
前記クライアントは、前記第2の権利トークンに基づいて前記複数のプリンシパルのトポロジを決定して前記コンテンツについてのライセンスを前記複数のプリンシパルに提供し、
前記複数のプリンシパルは、前記コンテンツを使用する使用主体及び前記コンテンツを再生する使用客体を含み、前記トポロジは前記使用主体と前記使用客体との関係を示すこと特徴とするDRMライセンス提供システム。 - 前記クライアントは、前記第2の権利トークンに基づいてコンテンツ再生権限を付与するためのトポロジを生成し、前記生成したトポロジに基づいて各プリンシパルにライセンスを提供することを特徴とする請求項1に記載のDRMライセンス提供システム。
- 前記権利仲裁装置が相異なるウェブサービスサーバから第1の権利トークンを受信する場合に、前記権利仲裁装置はそれぞれのウェブサービスサーバから受信した第1の権利トークンを結合して前記第2の権利トークンを生成し、前記第2の権利トークンには各ウェブサービスサーバ間の関係を示す情報が含まれることを特徴とする請求項1に記載のDRMライセンス提供システム。
- 前記ウェブサービスサーバは、多数のコンテンツ及びそれぞれのコンテンツについてのDRMライセンスを管理し、前記第1の権利トークンを生成することを特徴とする請求項1に記載のDRMライセンス提供システム。
- (a)クライアントが、コンテンツに関するライセンスを要請する段階と、
(b)ウェブサービスサーバが、各々が前記要請に応じて前記ライセンスを提供する前記複数のプリンシパル間の関係を示す経路情報を含むバインディング情報を含む複数の第1の権利トークンを生成して提供する段階と、
(c)権利仲裁装置が、前記複数の第1の権利トークンを結合することにより、前記クライアントが利用可能な第2の権利トークンを生成して前記クライアントに伝送する段階と、
(d)前記クライアントが、前記第2の権利トークンに基づいて前記複数のプリンシパルのトポロジを決定して前記コンテンツについてのライセンスを前記複数のプリンシパルに提供する段階と、
を含み、
前記複数のプリンシパルは、前記コンテンツを使用する使用主体及び前記コンテンツを再生する使用客体を含み、前記トポロジは、前記使用主体と前記使用客体との関係を示すことを特徴とするDRMライセンス提供方法。 - 前記段階(d)は、前記生成した第2の権利トークンに基づいてコンテンツ再生権限を付与するためのトポロジを生成する段階と、
前記生成したトポロジに基づいて各プリンシパルにライセンスを提供する段階とを含むことを特徴とする請求項5に記載のDRMライセンス提供方法。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US72566405P | 2005-10-13 | 2005-10-13 | |
US60/725,664 | 2005-10-13 | ||
KR1020060086972A KR20070041325A (ko) | 2005-10-13 | 2006-09-08 | Drm 라이센스 제공 방법 및 시스템 |
KR10-2006-0086972 | 2006-09-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007109239A JP2007109239A (ja) | 2007-04-26 |
JP4767810B2 true JP4767810B2 (ja) | 2011-09-07 |
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ID=38018753
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006270915A Expired - Fee Related JP5209862B2 (ja) | 2005-10-13 | 2006-10-02 | Drmライセンス提供方法及びシステム |
JP2006278864A Expired - Fee Related JP4755059B2 (ja) | 2005-10-13 | 2006-10-12 | Drmライセンス提供方法及びシステム |
JP2006278860A Expired - Fee Related JP4767810B2 (ja) | 2005-10-13 | 2006-10-12 | Drmライセンス提供方法及びシステム |
JP2011033131A Expired - Fee Related JP5361921B2 (ja) | 2005-10-13 | 2011-02-18 | Drmライセンス提供方法及びシステム |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
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JP2006270915A Expired - Fee Related JP5209862B2 (ja) | 2005-10-13 | 2006-10-02 | Drmライセンス提供方法及びシステム |
JP2006278864A Expired - Fee Related JP4755059B2 (ja) | 2005-10-13 | 2006-10-12 | Drmライセンス提供方法及びシステム |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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JP2011033131A Expired - Fee Related JP5361921B2 (ja) | 2005-10-13 | 2011-02-18 | Drmライセンス提供方法及びシステム |
Country Status (5)
Country | Link |
---|---|
US (4) | US20070100764A1 (ja) |
EP (5) | EP1775670A1 (ja) |
JP (4) | JP5209862B2 (ja) |
KR (5) | KR100763193B1 (ja) |
CN (6) | CN101262336B (ja) |
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