JP5679951B2 - メディアファイルを記憶する方法 - Google Patents
メディアファイルを記憶する方法 Download PDFInfo
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- JP5679951B2 JP5679951B2 JP2011249003A JP2011249003A JP5679951B2 JP 5679951 B2 JP5679951 B2 JP 5679951B2 JP 2011249003 A JP2011249003 A JP 2011249003A JP 2011249003 A JP2011249003 A JP 2011249003A JP 5679951 B2 JP5679951 B2 JP 5679951B2
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- 238000000034 method Methods 0.000 claims abstract description 36
- 230000005055 memory storage Effects 0.000 abstract description 3
- 238000004590 computer program Methods 0.000 description 49
- 230000008569 process Effects 0.000 description 23
- 238000010586 diagram Methods 0.000 description 12
- 238000012545 processing Methods 0.000 description 12
- 238000013500 data storage Methods 0.000 description 10
- 230000008901 benefit Effects 0.000 description 9
- 238000013459 approach Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 108010062580 Concanavalin A Proteins 0.000 description 1
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- 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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
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- Software Systems (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
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- Multimedia (AREA)
- Technology Law (AREA)
- Computer Security & Cryptography (AREA)
- Storage Device Security (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Telephonic Communication Services (AREA)
- Information Transfer Between Computers (AREA)
Description
本発明は、添付の図面と併せて以下の詳細な説明によって容易に理解されよう。図面において同様の参照番号は同様の構成要素を表す。
Claims (1)
- メディアファイルを、それらがダウンロードの準備ができているようにメディア記憶に記憶する方法であって、メディアサーバとしてのコンピュータによって実現される方法であり、
メディアアイテムに関するメディアファイルであって、メディアソース内のメディアファイルを、複数の異なるメディアソースを含むメディアソース群から受け取ることであって、前記メディアファイルのそれぞれが、少なくとも、暗号化されるメディアコンテンツデータと、関連付けられたメディアアイテムの特性を記述し、前記メディアコンテンツデータとは異なる暗号化キーで暗号化されるメタデータと、を有する、受け取ること、
前記メディアファイルのそれぞれについてダウンロードキーを生成することであって、前記ダウンロードキーは前記メディアファイルのそれぞれについて異なる、生成すること、
前記メディアファイルのそれぞれの前記メタデータを、前記メディアファイルが受け取られる前記メディアサーバに固有であって、前記各メディアファイルのメタデータに共通のグローバルキーで、暗号化すること、その後、
前記メディアファイルのそれぞれの前記メディアコンテンツデータを、前記ダウンロードキーのうち対応するもので暗号化することによって暗号化されたメディアファイルを作ること、および
前記暗号化されたメディアファイルを前記メディア記憶に記憶すること
を含む方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US42370003A | 2003-04-25 | 2003-04-25 | |
US10/423,700 | 2003-04-25 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006513343A Division JP4921966B2 (ja) | 2003-04-25 | 2004-04-26 | セキュアなネットワークベースのコンテンツ配信のための方法およびシステム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012075152A JP2012075152A (ja) | 2012-04-12 |
JP5679951B2 true JP5679951B2 (ja) | 2015-03-04 |
Family
ID=33415882
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006513343A Expired - Fee Related JP4921966B2 (ja) | 2003-04-25 | 2004-04-26 | セキュアなネットワークベースのコンテンツ配信のための方法およびシステム |
JP2011249003A Expired - Fee Related JP5679951B2 (ja) | 2003-04-25 | 2011-11-14 | メディアファイルを記憶する方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006513343A Expired - Fee Related JP4921966B2 (ja) | 2003-04-25 | 2004-04-26 | セキュアなネットワークベースのコンテンツ配信のための方法およびシステム |
Country Status (8)
Country | Link |
---|---|
US (4) | US7895661B2 (ja) |
EP (4) | EP3032446B1 (ja) |
JP (2) | JP4921966B2 (ja) |
KR (6) | KR101001048B1 (ja) |
AT (1) | ATE445194T1 (ja) |
DE (1) | DE602004023496D1 (ja) |
HK (1) | HK1080187A1 (ja) |
WO (1) | WO2004097609A1 (ja) |
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KR101001048B1 (ko) | 2010-12-14 |
EP1883031A2 (en) | 2008-01-30 |
KR20070044489A (ko) | 2007-04-27 |
US20110125650A1 (en) | 2011-05-26 |
EP1618453B1 (en) | 2009-10-07 |
EP3032446B1 (en) | 2019-10-23 |
JP4921966B2 (ja) | 2012-04-25 |
EP2116948A3 (en) | 2010-09-01 |
KR20090132647A (ko) | 2009-12-30 |
US10628557B2 (en) | 2020-04-21 |
JP2012075152A (ja) | 2012-04-12 |
WO2004097609A1 (en) | 2004-11-11 |
US20190163878A1 (en) | 2019-05-30 |
EP3032446A1 (en) | 2016-06-15 |
KR100732590B1 (ko) | 2007-06-27 |
US20050050345A1 (en) | 2005-03-03 |
US7895661B2 (en) | 2011-02-22 |
KR101037838B1 (ko) | 2011-05-31 |
DE602004023496D1 (de) | 2009-11-19 |
KR20070046170A (ko) | 2007-05-02 |
EP2116948A2 (en) | 2009-11-11 |
KR20060052670A (ko) | 2006-05-19 |
KR100869630B1 (ko) | 2008-11-21 |
KR20100093142A (ko) | 2010-08-24 |
EP1618453A1 (en) | 2006-01-25 |
HK1080187A1 (en) | 2006-04-21 |
EP1883031A3 (en) | 2008-03-05 |
JP2006524972A (ja) | 2006-11-02 |
ATE445194T1 (de) | 2009-10-15 |
US20110126006A1 (en) | 2011-05-26 |
US8788423B2 (en) | 2014-07-22 |
KR20070046171A (ko) | 2007-05-02 |
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