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:
Sep. 07, 2021
Filed:
Nov. 18, 2020
Applicant:
Ernest Brickell, Hillsboro, OR (US);
Inventor:
Ernest Brickell, Hillsboro, OR (US);
Assignee:
Other;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/08 (2006.01); G06F 21/71 (2013.01); H04L 29/06 (2006.01);
U.S. Cl.
CPC ...
H04L 9/0894 (2013.01); G06F 21/71 (2013.01); H04L 9/0819 (2013.01); H04L 9/0897 (2013.01); H04L 63/062 (2013.01); G06F 2221/2101 (2013.01);
Abstract
Methods and apparati for auditing uses of cryptographic keys. In a method embodiment of the present invention, a set of audited uses for a cryptographic key is defined; the key is generated inside a protected execution environment of a digital computer; all software and firmware that is usable in the execution environment to access the key is demonstrated to an auditor; and, for each audited use of the key, a non-tamperable audit record describing said use is released.