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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.:

US 12238515 B1

PDFFull Text
Date of Patent:
Feb. 25, 2025

Filed:

Dec. 18, 2023

Apparatus and method for ssp device and server to negotiate digital certificates

Applicant:

Samsung Electronics Co., Ltd., Suwon-si, KR;

Inventors:

Kangjin Yoon, Suwon-si, KR;

Duckey Lee, Suwon-si, KR;

Hyewon Lee, Suwon-si, KR;

Jonghoe Koo, Suwon-si, KR;

Assignee:

Samsung Electronics Co., Ltd., Suwon-si, KR;

Attorney:
Primary Examiner:

Mahfuzur Rahman

Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04L 9/08 (2006.01); H04L 9/32 (2006.01); H04L 9/40 (2022.01); H04W 12/0431 (2021.01); H04W 12/06 (2021.01); H04W 28/18 (2009.01); H04W 72/56 (2023.01); H04L 9/00 (2022.01); H04L 67/01 (2022.01);
U.S. Cl.
CPC ...
H04W 12/0431 (2021.01); H04L 9/0844 (2013.01); H04L 9/3265 (2013.01); H04L 9/3268 (2013.01); H04L 63/166 (2013.01); H04W 12/06 (2013.01); H04W 28/18 (2013.01); H04W 72/56 (2023.01); H04L 9/50 (2022.05); H04L 67/01 (2022.05);
Abstract

A method of a local bundle assistant (LBA) negotiating a certificate with a secondary platform bundle manager (SPBM) in a wireless communication system including: transmitting a request message requesting information of certificates supported by a secondary secure platform (SSP) to a secondary platform bundle loader (SPBL) of the SSP; receiving the information of certificates supported by the SSP including information of certificate issuers corresponding to a family identifier from the SPBL; transmitting the information of certificates supported by the SSP to the SPBM; and receiving a certificate of the SPBM for key agreement, information of public key identifiers of certificate issuers to be used by the SSP, and information of the family identifier from the SPBM.

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