The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 13, 2015

Filed:

Jul. 09, 2012
Applicants:

Shalom Shimoni, Lezion, IL;

Nir Barak, Yosef, IL;

Amir Jerbi, Givatayim, IL;

Yaron Holland, Hod Hasharon, IL;

Inventors:

Shalom Shimoni, Lezion, IL;

Nir Barak, Yosef, IL;

Amir Jerbi, Givatayim, IL;

Yaron Holland, Hod Hasharon, IL;

Assignee:

CA, Inc., New York, NY (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 9/455 (2006.01); G06F 21/52 (2013.01); G06F 21/57 (2013.01);
U.S. Cl.
CPC ...
G06F 21/52 (2013.01); G06F 9/45558 (2013.01); G06F 21/575 (2013.01); G06F 2009/45587 (2013.01);
Abstract

A computer system is disclosed that includes a host operating system and a virtual hypervisor that operates under management of the host operating system to control operations of virtual machines operating under management of the virtual hypervisor. The virtual hypervisor provides an interface between the virtual machines and the host operating system. A signing component generates digital signatures which identify owners of the virtual machines and associates the digital signatures with the virtual machines. A signature validation component determines the owners of the virtual machines using the digital signatures and responsive to occurrence of defined events. Related methods and computer program products for operating computer systems are also disclosed.


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