Title:
METHODS AND SYSTEMS FOR COMMUNICATING BETWEEN TRUSTED AND NON-TRUSTED VIRTUAL MACHINES
Document Type and Number:
WIPO Patent Application WO/2011/081935
Kind Code:
A3
Abstract:
The methods and systems described herein provide for establishing a secure communication channel between a non-trusted virtual machine and a trusted virtual machine, in a computing device executing a hypervisor hosting the trusted virtual machine, the non-trusted virtual machine, and a third virtual machine. The method includes writing, by a non-trusted virtual machine, a first string of data to a region of memory of the computing device. The method also includes detecting, by a trusted virtual machine, the first string of data written to the region of memory. The method further includes establishing a communication channel between the trusted virtual machine and the non-trusted virtual machine by locking, by the trusted virtual machine and responsive to the detection, the region of memory for the duration of the communication to prevent a third virtual machine from accessing the region of memory.
Inventors:
PRATT IAN (US)
GUYADER JEAN (US)
HANQUEZ VINCENT (US)
MCKENZIE JAMES (US)
PHILIPSON ROSS (US)
SMITH STEVEN (US)
NARASIMHAN KAMALA (US)
HALLS DAVID (US)
VAN DER LINDEN ROB (US)
GUYADER JEAN (US)
HANQUEZ VINCENT (US)
MCKENZIE JAMES (US)
PHILIPSON ROSS (US)
SMITH STEVEN (US)
NARASIMHAN KAMALA (US)
HALLS DAVID (US)
VAN DER LINDEN ROB (US)
Application Number:
PCT/US2010/060309
Publication Date:
October 20, 2011
Filing Date:
December 14, 2010
Export Citation:
Assignee:
CITRIX SYSTEMS INC (US)
PRATT IAN (US)
GUYADER JEAN (US)
HANQUEZ VINCENT (US)
MCKENZIE JAMES (US)
PHILIPSON ROSS (US)
SMITH STEVEN (US)
NARASIMHAN KAMALA (US)
HALLS DAVID (US)
VAN DER LINDEN ROB (US)
PRATT IAN (US)
GUYADER JEAN (US)
HANQUEZ VINCENT (US)
MCKENZIE JAMES (US)
PHILIPSON ROSS (US)
SMITH STEVEN (US)
NARASIMHAN KAMALA (US)
HALLS DAVID (US)
VAN DER LINDEN ROB (US)
International Classes:
G06F13/14; G06F15/16
Foreign References:
| US20050102671A1 | 2005-05-12 | |||
| US20050216920A1 | 2005-09-29 | |||
| US20090089879A1 | 2009-04-02 | |||
| US20050228921A1 | 2005-10-13 | |||
| US20060200616A1 | 2006-09-07 | |||
| US20090222814A1 | 2009-09-03 | |||
| US6453392B1 | 2002-09-17 | |||
| US20090102838A1 | 2009-04-23 | |||
| US20060146057A1 | 2006-07-06 | |||
| US20050210158A1 | 2005-09-22 |
Other References:
DUBNICKI, D. ET AL.: "Design and implementation of virtual memory-mapped commu nication on Myrinet", THE 11TH INTERNATIONAL PARALLEL PROCESSING SYMPOSIU M, 1-5 APRIL 1997, pages 388 - 396, XP010216811
Attorney, Agent or Firm:
LANZA, John D. et al. (111 Huntington AvenueBoston, Massachusetts, US)
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