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:
Jul. 02, 2019
Filed:
Nov. 23, 2016
Huawei Technologies Co., Ltd., Shenzhen, Guangdong, CN;
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
A virtual trusted platform module function implementation method is provided, the method is executed at an exception level EL3 of a processor that uses an ARM V8 architecture, and the method includes: generating, according to requirements of one or more VMs, one or more vTPM instances corresponding to each VM, and storing the generated one or more vTPM instances in preset secure space, where each vTPM instance has a dedicated instance communication queue for a VM corresponding to itself to use, and a physical address is allocated to each instance communication queue; and interacting with a VMM and the VM, so that the VM acquires a VM communication queue virtual address, in VM virtual address space, corresponding to a communication queue physical address of the vTPM instance, and the VM communicates with a vTPM instance communication queue by using the VM communication queue virtual address.