JP2006520500A - デジタル権利管理ドングルからのプロテクトされたリターンパス - Google Patents
デジタル権利管理ドングルからのプロテクトされたリターンパス Download PDFInfo
- Publication number
- JP2006520500A JP2006520500A JP2006506703A JP2006506703A JP2006520500A JP 2006520500 A JP2006520500 A JP 2006520500A JP 2006506703 A JP2006506703 A JP 2006506703A JP 2006506703 A JP2006506703 A JP 2006506703A JP 2006520500 A JP2006520500 A JP 2006520500A
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- Prior art keywords
- key
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- Legal status (The legal status 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 status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 claims abstract description 27
- 238000004891 communication Methods 0.000 claims abstract description 6
- 230000002265 prevention Effects 0.000 abstract description 21
- 230000005540 biological transmission Effects 0.000 description 16
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002360 explosive Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
Images
Classifications
-
- 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
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
-
- 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
- G06F21/60—Protecting data
- G06F21/606—Protecting data by securing the transmission between two devices or processes
-
- 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
-
- 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
- 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
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/82—Protecting input, output or interconnection devices
- G06F21/85—Protecting input, output or interconnection devices interconnection devices, e.g. bus-connected or in-line devices
-
- 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
-
- 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
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
- H04L9/0825—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using asymmetric-key encryption or public key infrastructure [PKI], e.g. key signature or public key certificates
-
- 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
-
- 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
- G06F2221/2153—Using hardware token as a secondary aspect
-
- 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]
Abstract
Description
Claims (12)
- 改ざん防止装置とシンク装置との間の安全な通信を提供する方法であって、
前記改ざん防止装置において第1の鍵を用いて暗号化されたコンテンツをソース装置から受信するステップと、
前記第1の鍵を用いて前記コンテンツを解読するステップと、
前記改ざん防止装置において前記改ざん防止装置の公開鍵を用いて暗号化された第2の鍵を前記シンク装置から受信するステップと、
前記改ざん防止装置の秘密鍵を用いて前記第2の鍵を解読するステップと、
前記第2の鍵を用いて前記コンテンツを再暗号化するステップと、
前記再暗号化されたコンテンツを前記シンク装置に送信するステップと、
を有することを特徴とする方法。 - 請求項1記載の方法であって、
前記暗号化されたコンテンツは符号化されることを特徴とする方法。 - 請求項2記載の方法であって、さらに、
前記シンク装置の第2の鍵を用いて前記暗号化されたコンテンツを解読するステップと、
前記解読されたコンテンツを復号するステップと、
前記コンテンツを表示するステップと、
を有することを特徴とする方法。 - 請求項1記載の方法であって、
前記改ざん防止装置は、スマートカードまたはドングルであることを特徴とする方法。 - 請求項1記載の方法であって、
前記第2の鍵は、第1擬似乱数生成器を準備するのに使用され、前記生成器の出力は前記改ざん防止装置の前記解読されたデータとXOR演算されることを特徴とする方法。 - 請求項5記載の方法であって、
前記シンク装置は、前記第2の鍵により準備された第2擬似乱数生成器の出力と前記受信した暗号化されたコンテンツとをXOR演算することを特徴とする方法。 - 請求項1記載の方法であって、
前記コンテンツはマルチメディアコンテンツであることを特徴とする方法。 - 請求項1記載の方法であって、
前記ソース装置と前記改ざん防止装置のそれぞれは、同一の第1の鍵を生成することを特徴とする方法。 - 請求項1記載の方法であって、
前記第1の鍵は、前記改ざん防止装置に送信されることを特徴とする方法。 - 請求項9記載の方法であって、
前記第1の鍵は、前記改ざん防止装置の公開鍵を用いて暗号化されることを特徴とする方法。 - 改ざん防止装置とシンク装置との間の安全な通信を提供する装置であって、
前記改ざん防止装置において第1の鍵を用いて暗号化されたコンテンツをソース装置から受信する手段と、
前記解読された第1の鍵を用いて前記コンテンツを解読する手段と、
前記改ざん防止装置において前記改ざん防止装置の公開鍵を用いて暗号化された第2の鍵を前記シンク装置から受信する手段と、
前記改ざん防止装置の秘密鍵を用いて前記第2の鍵を解読する手段と、
前記第2の鍵を用いて前記コンテンツを再暗号化する手段と、
前記再暗号化されたコンテンツを前記シンク装置に送信する手段と、
を有することを特徴とする装置。 - 改ざん防止装置とシンク装置との間の安全な通信を提供するシステムであって、
第1の鍵を用いて暗号化されたコンテンツを送信するソース装置と、
前記ソース装置から暗号化されたコンテンツを受信し、前記第1の鍵を用いて前記コンテンツを解読し、前記改ざん防止装置の公開鍵を用いて暗号化された第2の鍵を前記シンク装置から受信し、前記改ざん防止装置の秘密鍵を用いて前記第2の鍵を解読し、前記第2の鍵を用いて前記コンテンツを再暗号化し、前記再暗号化されたコンテンツを前記シンク装置に送信する改ざん防止装置と、
を有することを特徴とするシステム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03100658 | 2003-03-14 | ||
PCT/IB2004/050242 WO2004082201A1 (en) | 2003-03-14 | 2004-03-12 | Protected return path from digital rights management dongle |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2006520500A true JP2006520500A (ja) | 2006-09-07 |
Family
ID=32981932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006506703A Pending JP2006520500A (ja) | 2003-03-14 | 2004-03-12 | デジタル権利管理ドングルからのプロテクトされたリターンパス |
Country Status (8)
Country | Link |
---|---|
US (1) | US7688982B2 (ja) |
EP (1) | EP1606905B1 (ja) |
JP (1) | JP2006520500A (ja) |
KR (1) | KR101094857B1 (ja) |
CN (1) | CN100592683C (ja) |
AT (1) | ATE365406T1 (ja) |
DE (1) | DE602004007116T2 (ja) |
WO (1) | WO2004082201A1 (ja) |
Families Citing this family (43)
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JP4738785B2 (ja) * | 2004-09-30 | 2011-08-03 | フェリカネットワークス株式会社 | 情報処理システム、情報処理装置 |
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US8621540B2 (en) | 2007-01-24 | 2013-12-31 | Time Warner Cable Enterprises Llc | Apparatus and methods for provisioning in a download-enabled system |
US7485007B1 (en) | 2007-05-16 | 2009-02-03 | Pericom Semiconductor Corp. | Swiveling offset adapter dongle for reducing blockage of closely-spaced video connectors |
US8655785B2 (en) * | 2008-02-10 | 2014-02-18 | Safenet Data Security (Israel) Ltd. | Computer data product license installation / update confirmation |
US9602864B2 (en) | 2009-06-08 | 2017-03-21 | Time Warner Cable Enterprises Llc | Media bridge apparatus and methods |
US9866609B2 (en) | 2009-06-08 | 2018-01-09 | Time Warner Cable Enterprises Llc | Methods and apparatus for premises content distribution |
US9906838B2 (en) | 2010-07-12 | 2018-02-27 | Time Warner Cable Enterprises Llc | Apparatus and methods for content delivery and message exchange across multiple content delivery networks |
WO2012072772A1 (en) * | 2010-12-02 | 2012-06-07 | Nagravision S.A. | System and method to record encrypted content with access conditions |
US9262760B2 (en) | 2010-12-22 | 2016-02-16 | Gilbarco Inc. | Fuel dispensing payment system for secure evaluation of cardholder data |
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US9565472B2 (en) | 2012-12-10 | 2017-02-07 | Time Warner Cable Enterprises Llc | Apparatus and methods for content transfer protection |
US20140282786A1 (en) | 2013-03-12 | 2014-09-18 | Time Warner Cable Enterprises Llc | Methods and apparatus for providing and uploading content to personalized network storage |
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US9066153B2 (en) | 2013-03-15 | 2015-06-23 | Time Warner Cable Enterprises Llc | Apparatus and methods for multicast delivery of content in a content delivery network |
US9313568B2 (en) | 2013-07-23 | 2016-04-12 | Chicago Custom Acoustics, Inc. | Custom earphone with dome in the canal |
US11228427B2 (en) * | 2014-02-11 | 2022-01-18 | Ericsson Ab | System and method for securing content keys delivered in manifest files |
US9621940B2 (en) | 2014-05-29 | 2017-04-11 | Time Warner Cable Enterprises Llc | Apparatus and methods for recording, accessing, and delivering packetized content |
US11540148B2 (en) | 2014-06-11 | 2022-12-27 | Time Warner Cable Enterprises Llc | Methods and apparatus for access point location |
US10008057B2 (en) | 2014-08-08 | 2018-06-26 | Live Nation Entertainment, Inc. | Short-range device communications for secured resource access |
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CN105471832A (zh) * | 2014-10-22 | 2016-04-06 | 航天恒星科技有限公司 | 卫星通信中ip报文的处理方法及装置 |
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CN105207991B (zh) * | 2015-08-14 | 2019-01-25 | 上海银赛计算机科技有限公司 | 数据加密方法及系统 |
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- 2004-03-12 JP JP2006506703A patent/JP2006520500A/ja active Pending
- 2004-03-12 DE DE602004007116T patent/DE602004007116T2/de not_active Expired - Lifetime
- 2004-03-12 KR KR1020057017124A patent/KR101094857B1/ko active IP Right Grant
- 2004-03-12 US US10/548,744 patent/US7688982B2/en active Active
- 2004-03-12 CN CN200480006804A patent/CN100592683C/zh not_active Expired - Lifetime
- 2004-03-12 EP EP04720121A patent/EP1606905B1/en not_active Expired - Lifetime
- 2004-03-12 AT AT04720121T patent/ATE365406T1/de not_active IP Right Cessation
- 2004-03-12 WO PCT/IB2004/050242 patent/WO2004082201A1/en active IP Right Grant
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Also Published As
Publication number | Publication date |
---|---|
WO2004082201A8 (en) | 2005-03-17 |
ATE365406T1 (de) | 2007-07-15 |
DE602004007116D1 (de) | 2007-08-02 |
CN1759560A (zh) | 2006-04-12 |
KR20050115282A (ko) | 2005-12-07 |
EP1606905B1 (en) | 2007-06-20 |
DE602004007116T2 (de) | 2008-02-28 |
CN100592683C (zh) | 2010-02-24 |
EP1606905A1 (en) | 2005-12-21 |
KR101094857B1 (ko) | 2011-12-16 |
WO2004082201A1 (en) | 2004-09-23 |
US20060236131A1 (en) | 2006-10-19 |
US7688982B2 (en) | 2010-03-30 |
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