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:
Nov. 23, 2021
Filed:
Mar. 08, 2019
International Business Machines Corporation, Armonk, NY (US);
Lisa Cranton Heller, Rhinebeck, NY (US);
Fadi Y. Busaba, Poughkeepsie, NY (US);
Jonathan D. Bradbury, Poughkeepsie, NY (US);
INTERNATIONAL BUSINESS MACHINES CORPORATION, Armonk, NY (US);
Abstract
According to one or more embodiments of the present invention, a computer implemented method includes receiving a request from a requestor, to access a page of memory. The requestor is either a secure entity of a computer system or a secure interface control of the computer system. The request is tagged as a secure request from a secure domain of the computer system. It is verified that the request is making an access to a page that is both registered as secure and registered as belonging to the secure domain. The requestor is provided access to the page based at least in part on the page being registered as secure and as belonging to the secure domain. The requestor is prevented from accessing the page, based on one or both of the page not being registered as secure, and the page not being registered as belonging to the secure domain.