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.
Patent No.:
Date of Patent:
Mar. 23, 2021
Filed:
Jan. 06, 2019
Microsoft Technology Licensing, Llc, Redmond, WA (US);
Niels T. Ferguson, Redmond, WA (US);
Yevgeniy Anatolievich Samsonov, Redmond, WA (US);
Kinshumann, Redmond, WA (US);
Samartha Chandrashekar, Redmond, WA (US);
John Anthony Messec, Bellevue, WA (US);
Mark Fishel Novak, Newcastle, WA (US);
Christopher McCarron, Hartford, CT (US);
Amitabh Prakash Tamhane, Redmond, WA (US);
Qiang Wang, Bellevue, WA (US);
David Matthew Kruse, Kirkland, WA (US);
Nir Ben-Zvi, Bellevue, WA (US);
Anders Bertil Vinberg, Kirkland, WA (US);
MICROSOFT TECHNOLOGY LICENSING, LLC, Redmond, WA (US);
Abstract
A virtual secure mode is enabled for a virtual machine operating in a computing environment that is associated with a plurality of different trust levels. First, a virtual secure mode image is loaded into one or more memory pages of a virtual memory space of the virtual machine. Then, the one or more memory pages of the virtual memory space are made inaccessible to one or more trust levels having a relatively lower trust level than a launching trust level that is used by a virtual secure mode loader to load the virtual secure mode image. A target virtual trust level is also enabled on a launching virtual processor for the virtual machine that is higher than the launching trust level.