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:
Feb. 11, 2025
Filed:
Apr. 28, 2022
Applicant:
Carrier Fire & Security Emea Bv, Diegem, BE;
Inventors:
Piotr Wolnowski, Gdansk, PL;
Pawel Raasz, Gdansk, PL;
Assignee:
CARRIER FIRE & SECURITY EMEA BV, Diegem, BE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 8/65 (2018.01); G06F 21/44 (2013.01); G06F 21/57 (2013.01);
U.S. Cl.
CPC ...
G06F 8/65 (2013.01); G06F 21/44 (2013.01); G06F 21/572 (2013.01); G06F 2221/033 (2013.01);
Abstract
A method and system for updating firmware of a device. A method includes receiving a decryption engine for decrypting encrypted firmware, loading the decryption engine into a first memory of a device, and receiving the encrypted firmware. The method may include obtaining a pre-stored encryption key from a second memory of the device, wherein the second memory is a different type of memory than the first memory, and decrypting the encrypted firmware using the encryption key and the decryption engine, wherein the decryption of the encrypted firmware occurs in the first memory.