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.

Date of Patent:
Oct. 14, 2025

Filed:

Jan. 03, 2023
Applicant:

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

Inventors:

Dohoon Kim, Suwon-si, KR;

Sewon Park, Suwon-si, KR;

Jookyoung Park, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/40 (2022.01); H04L 5/00 (2006.01);
U.S. Cl.
CPC ...
H04L 63/065 (2013.01); H04L 5/0055 (2013.01); H04L 63/00 (2013.01); H04L 63/0435 (2013.01);
Abstract

An electronic device is provided. The electronic device includes a communication module, a memory, and a server processor operably connected to the communication module and the memory. The server processor acquires, from the first electronic device, a first message encrypted based on first security information about the second electronic device, so as to transmit the first message to the second electronic device, acquires, from the second electronic device, a decryption failure signal for the first message so as to transmit the decryption failure signal to the first electronic device, acquires, from the second electronic device, second security information about the second electronic device so as to transmit same to the first electronic device, receives, from the first electronic device, a second message encrypted based on the second security information, and can transmit the received second message to the second electronic device.


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