WO2008077628A3 - System for enabling multiple execution environments to share a device - Google Patents

System for enabling multiple execution environments to share a device Download PDF

Info

Publication number
WO2008077628A3
WO2008077628A3 PCT/EP2007/011383 EP2007011383W WO2008077628A3 WO 2008077628 A3 WO2008077628 A3 WO 2008077628A3 EP 2007011383 W EP2007011383 W EP 2007011383W WO 2008077628 A3 WO2008077628 A3 WO 2008077628A3
Authority
WO
WIPO (PCT)
Prior art keywords
physical device
partition
accessing
type
driver
Prior art date
Application number
PCT/EP2007/011383
Other languages
French (fr)
Other versions
WO2008077628A2 (en
Inventor
Gilles Maigne
Vladimir Grouzdev
Michel Gien
Christian Jacquemot
Original Assignee
Virtuallogix Sa
Gilles Maigne
Vladimir Grouzdev
Michel Gien
Christian Jacquemot
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Virtuallogix Sa, Gilles Maigne, Vladimir Grouzdev, Michel Gien, Christian Jacquemot filed Critical Virtuallogix Sa
Priority to JP2009541918A priority Critical patent/JP2010514028A/en
Priority to US12/520,301 priority patent/US8996864B2/en
Priority to EP07857090A priority patent/EP2126694A2/en
Publication of WO2008077628A2 publication Critical patent/WO2008077628A2/en
Publication of WO2008077628A3 publication Critical patent/WO2008077628A3/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45533—Hypervisors; Virtual machine monitors
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45533—Hypervisors; Virtual machine monitors
    • G06F9/45558—Hypervisor-specific management and integration aspects
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45533—Hypervisors; Virtual machine monitors
    • G06F9/45558—Hypervisor-specific management and integration aspects
    • G06F2009/45579—I/O management, e.g. providing access to device drivers or storage
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45533—Hypervisors; Virtual machine monitors
    • G06F9/45558—Hypervisor-specific management and integration aspects
    • G06F2009/45587—Isolation or security of virtual machine instances
    • 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]
    • G06F21/12—Protecting executable software
    • G06F21/121—Restricting unauthorised execution of programs
    • 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
    • H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Hardware Design (AREA)
  • Storage Device Security (AREA)
  • Stored Programmes (AREA)

Abstract

According to the present invention, there is provided a data processing system comprising: a dedicated physical device for access by a single client only; a shared physical device for shared access by multiple clients; a partition of a first type associated with the dedicated physical device, the first type partition comprising said single client and a first device driver for accessing the dedicated physical device; a partition of a second type associated with the shared physical device, the second type partition comprising a second device driver for accessing the shared physical device, and a back end driver for accessing the second device driver; and multiple partitions of the third type each comprising a respective one of said multiple clients and a front end driver for accessing the shared physical device via the second type partition. There is also provided a method of operating the data processing system comprising: executing a user application in the standard domain; and executing in the trusted domain, one or more predetermined operations, services and/or functions relating to the user application.
PCT/EP2007/011383 2006-12-22 2007-12-21 System for enabling multiple execution environments to share a device WO2008077628A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009541918A JP2010514028A (en) 2006-12-22 2007-12-21 A system that enables multiple execution environments to share a single data process
US12/520,301 US8996864B2 (en) 2006-12-22 2007-12-21 System for enabling multiple execution environments to share a device
EP07857090A EP2126694A2 (en) 2006-12-22 2007-12-21 System for enabling multiple execution environments to share a device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06292042.6 2006-12-22
EP06292042 2006-12-22

Publications (2)

Publication Number Publication Date
WO2008077628A2 WO2008077628A2 (en) 2008-07-03
WO2008077628A3 true WO2008077628A3 (en) 2009-01-15

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/011383 WO2008077628A2 (en) 2006-12-22 2007-12-21 System for enabling multiple execution environments to share a device

Country Status (4)

Country Link
US (1) US8996864B2 (en)
EP (1) EP2126694A2 (en)
JP (1) JP2010514028A (en)
WO (1) WO2008077628A2 (en)

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