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. 17, 2026
Filed:
Jan. 16, 2020
Samsung Electronics Co., Ltd., Suwon-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
The disclosure relates to a method of updating an immobilizer token. A target device according to various embodiments of the disclosure may generate a first temporary encryption key pair for encryption and decryption of an immobilizer token, may transmit, to an immobilizer token issuance device, an immobilizer token issuance request including a first temporary public encryption key of the generated first temporary encryption key pair, may receive, from the immobilizer token issuance device, an encrypted immobilizer token and a second temporary public encryption key generated by the immobilizer token issuance device, may decrypt the encrypted immobilizer token by using the second temporary public encryption key and a first temporary private encryption key of the first temporary encryption key pair, and may store the decrypted immobilizer token in a confidential mailbox of the digital key in a secure element.