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:
Jan. 04, 2022
Filed:
Feb. 04, 2020
Applicant:
Trustonic Limited, Cambridge, GB;
Inventors:
Assignee:
Trustonic Limited, Cambridge, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/08 (2006.01); G06F 8/65 (2018.01); H04L 9/32 (2006.01); H04L 29/06 (2006.01); G06F 21/57 (2013.01); G06F 21/53 (2013.01); G06F 21/60 (2013.01); G06F 21/74 (2013.01);
U.S. Cl.
CPC ...
H04L 9/085 (2013.01); G06F 8/65 (2013.01); H04L 9/083 (2013.01); H04L 9/0894 (2013.01); H04L 9/3247 (2013.01); G06F 2221/2149 (2013.01);
Abstract
A software decryption key is injected into a computing devicehaving a secure execution environmentand a less secure execution environment. The keyis for decryption of software to be run on the computing device. A key injection software componentexecuted within the secure execution environmentis used to control storage of the software decryption keyin a protected state in which the software decryption key is unreadable in the clear from the key storage location by an external device or by program code executed in the less secure execution environmentof the computing device. Software provided to the device is decrypted based on the injected software decryption key