JP5189764B2 - 次世代メディアプレーヤ向けデュアルバーチャルマシン及びトラステッドプラットフォームモジュールアーキテクチャ - Google Patents
次世代メディアプレーヤ向けデュアルバーチャルマシン及びトラステッドプラットフォームモジュールアーキテクチャ Download PDFInfo
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- JP5189764B2 JP5189764B2 JP2006517804A JP2006517804A JP5189764B2 JP 5189764 B2 JP5189764 B2 JP 5189764B2 JP 2006517804 A JP2006517804 A JP 2006517804A JP 2006517804 A JP2006517804 A JP 2006517804A JP 5189764 B2 JP5189764 B2 JP 5189764B2
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- 230000006870 function Effects 0.000 claims description 21
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- 238000012545 processing Methods 0.000 claims description 8
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- 230000008569 process Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
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- 238000004891 communication Methods 0.000 description 1
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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
- G11B20/10—Digital recording or reproducing
-
- 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
- G06F21/50—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
- G06F21/57—Certifying or maintaining trusted computer platforms, e.g. secure boots or power-downs, version controls, system software checks, secure updates or assessing vulnerabilities
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/14—Protection against unauthorised use of memory or access to memory
-
- 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]
- G06F21/106—Enforcing content protection by specific content processing
- G06F21/1064—Restricting content processing at operating system level
-
- 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
- G06F21/50—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
- G06F21/52—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems during program execution, e.g. stack integrity ; Preventing unwanted data erasure; Buffer overflow
- G06F21/53—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems during program execution, e.g. stack integrity ; Preventing unwanted data erasure; Buffer overflow by executing in a restricted environment, e.g. sandbox or secure virtual machine
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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
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (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)
Description
以下に本発明の実施例を詳細の説明を記載するが、これらの実施例は本発明の模範例にすぎず、種々の形態に具体化することができる。それ故、ここに記載する本発明の特定の構造及び機能の詳細は、本発明を限定するものでなく、単に本発明の特許請求範囲の基礎と考えるべきものであり、且つ本発明は任意の適切な詳細構造で種々に使用することができることを当業者に教えるための代表的な基礎と考えるべきのものである。以下、図面(図1及び図2)を参照して本発明を詳細に説明する。
Claims (12)
- メディアプレーヤのためのセキュリティ暗号解読およびオーディオ/ビデオのデコーディング機能を実行するように構成されるセキュリティバーチャルマシンと、
前記メディアプレーヤのためのアプリケーションレベル機能を実行し、ユーザーインターフェースを提供するように構成されるアプリケーションバーチャルマシンと、
前記セキュリティバーチャルマシンおよび前記アプリケーションバーチャルマシンを実行するように構成される処理ユニットと、
を具え、
前記セキュリティバーチャルマシンは、前記セキュリティ暗号解読および前記デコーディング機能を実行するための命令セットを使用するようにさらに構成され、
前記アプリケーションバーチャルマシンは、前記アプリケーションレベル機能を実行するための命令セットを使用するようにさらに構成され、
前記セキュリティ暗号解読および前記デコーディング機能を実行するための前記命令セットは、前記アプリケーションレベル機能を実行するための命令セットとは異なる、
ことを特徴とするメディアプレーヤ。 - 前記セキュリティバーチャルマシンは第1の命令セットをサポートするようにさらに構成され、
前記アプリケーションバーチャルマシンは第2の命令セットをサポートするようにさらに構成され、
前記第1の命令セットは前記セキュリティバーチャルマシン用であり、
前記第2の命令セットは前記アプリケーションバーチャルマシン用である、
ことを特徴とする請求項1に記載のメディアプレーヤ。 - アプリケーションプログラムインタフェース(API)をさらに具え、前記APIを経て、前記セキュリティバーチャルマシンと前記アプリケーションバーチャルマシンとが互いに通信可能であることを特徴とする請求項1に記載のメディアプレーヤ。
- 前記メディアは暗号解読をするためのセキュリティコードを含み、
前記アプリケーションバーチャルマシンは前記セキュリティコードを前記セキュリティバーチャルマシンに送達する、
ことを特徴とする請求項1に記載のメディアプレーヤ。 - 前記セキュリティバーチャルマシンは、コピー防止アルゴリズムを処理することを特徴とする請求項1に記載のメディアプレーヤ。
- 前記セキュリティバーチャルマシンは、前記アプリケーションバーチャルマシンより計算が複雑ではないことを特徴とする請求項1に記載のメディアプレーヤ。
- 処理ユニット上で動作しているセキュリティバーチャルマシンを使用して、前記メディアプレーヤのためのセキュリティ暗号解読およびオーディオ/ビデオのデコーディング機能を実行するステップと、
前記処理ユニット上で動作しているアプリケーションバーチャルマシンを使用して、前記メディアプレーヤのためのアプリケーションレベル機能を実行するステップと、
を具え、
前記アプリケーションバーチャルマシンはユーザーインターフェースを提供し、
前記セキュリティバーチャルマシンは、前記セキュリティ暗号解読および前記デコーディング機能を実行するための命令セットを使用するようにさらに構成され、
前記アプリケーションバーチャルマシンは、前記アプリケーションレベル機能を実行するための命令セットを使用するようにさらに構成され、
前記セキュリティ暗号解読および前記デコーディング機能を実行するための前記命令セットは、前記アプリケーションレベル機能を実行するための命令セットとは異なる、
ことを特徴とする方法。 - 前記セキュリティバーチャルマシンを使用して、第1の命令セットをサポートするステップと、
前記アプリケーションバーチャルマシンを使用して、第2の命令セットをサポートするステップと、
をさらに具え、
前記第1の命令セットは前記セキュリティバーチャルマシン用であり、
前記第2の命令セットは前記アプリケーションバーチャルマシン用である、
ことを特徴とする請求項7に記載の方法。 - アプリケーションプログラムインタフェース(API)を経て、前記セキュリティバーチャルマシンおよび前記アプリケーションバーチャルマシンを互いに通信可能とするステップをさらに具えることを特徴とする請求項7に記載の方法。
- 前記メディアは暗号解読をするためのセキュリティコードを含み、
前記セキュリティコードを、前記アプリケーションバーチャルマシンによって前記メディアから前記セキュリティバーチャルマシンに送達するステップをさらに具える、
ことを特徴とする請求項7に記載の方法。 - 前記セキュリティバーチャルマシンは、コピー防止アルゴリズムを処理することを特徴とする請求項7に記載の方法。
- 前記セキュリティバーチャルマシンは、前記アプリケーションバーチャルマシンより計算が複雑ではないことを特徴とする請求項7に記載の方法。
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
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US48103403P | 2003-06-27 | 2003-06-27 | |
US60/481,034 | 2003-06-27 | ||
US48106603P | 2003-07-07 | 2003-07-07 | |
US60/481,066 | 2003-07-07 | ||
US49307203P | 2003-08-05 | 2003-08-05 | |
US60/493,072 | 2003-08-05 | ||
PCT/US2004/021048 WO2005001666A2 (en) | 2003-06-27 | 2004-06-28 | Dual virtual machine and trusted platform module architecture for next generation media players |
Publications (3)
Publication Number | Publication Date |
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JP2007529044A JP2007529044A (ja) | 2007-10-18 |
JP2007529044A5 JP2007529044A5 (ja) | 2012-12-20 |
JP5189764B2 true JP5189764B2 (ja) | 2013-04-24 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2006517804A Expired - Lifetime JP5189764B2 (ja) | 2003-06-27 | 2004-06-28 | 次世代メディアプレーヤ向けデュアルバーチャルマシン及びトラステッドプラットフォームモジュールアーキテクチャ |
Country Status (7)
Country | Link |
---|---|
US (1) | US20050033972A1 (ja) |
EP (1) | EP1644802B1 (ja) |
JP (1) | JP5189764B2 (ja) |
KR (1) | KR100950007B1 (ja) |
AU (1) | AU2004252921B2 (ja) |
CA (1) | CA2530441C (ja) |
WO (1) | WO2005001666A2 (ja) |
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2004
- 2004-06-28 KR KR1020057025111A patent/KR100950007B1/ko active IP Right Grant
- 2004-06-28 WO PCT/US2004/021048 patent/WO2005001666A2/en active Application Filing
- 2004-06-28 CA CA002530441A patent/CA2530441C/en not_active Expired - Lifetime
- 2004-06-28 US US10/880,060 patent/US20050033972A1/en not_active Abandoned
- 2004-06-28 AU AU2004252921A patent/AU2004252921B2/en not_active Expired
- 2004-06-28 EP EP04777324.7A patent/EP1644802B1/en not_active Expired - Lifetime
- 2004-06-28 JP JP2006517804A patent/JP5189764B2/ja not_active Expired - Lifetime
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WO2005001666A3 (en) | 2005-06-23 |
CA2530441C (en) | 2009-08-25 |
EP1644802A2 (en) | 2006-04-12 |
AU2004252921B2 (en) | 2009-07-16 |
EP1644802B1 (en) | 2016-11-23 |
KR20060039405A (ko) | 2006-05-08 |
CA2530441A1 (en) | 2005-01-06 |
US20050033972A1 (en) | 2005-02-10 |
WO2005001666A2 (en) | 2005-01-06 |
KR100950007B1 (ko) | 2010-03-29 |
EP1644802A4 (en) | 2011-03-16 |
JP2007529044A (ja) | 2007-10-18 |
AU2004252921A1 (en) | 2005-01-06 |
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