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. 09, 2021
Filed:
Apr. 26, 2019
Applicant:
Arm Limited, Cambridge, GB;
Inventors:
Andreas Lars Sandberg, Cambridge, GB;
Prakash S. Ramrakhyani, Austin, TX (US);
Assignee:
Arm Limited, Cambridge, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 12/0864 (2016.01); G06F 12/0811 (2016.01); H04L 9/06 (2006.01); H04L 9/08 (2006.01);
U.S. Cl.
CPC ...
G06F 12/0864 (2013.01); G06F 12/0811 (2013.01); H04L 9/0643 (2013.01); G06F 2212/1052 (2013.01); H04L 9/0869 (2013.01);
Abstract
A system, apparatus and method for secure functions and manipulating cache line data. The method includes generating cache block addresses from a subset of bits, i.e. tag bits, of a cache address and hashing the cache block addresses with one or more secure functions that use keys to generate secure indexes.