公开(公告)号：US20230155990A1

公开(公告)日：2023-05-18

申请号：US18149460

申请日：2023-01-03

Applicant: Samsung Electronics Co., Ltd.

Inventor： Dohoon KIM ,  Sewon PARK ,  Jookyoung PARK

IPC: H04L9/40 ,  H04L5/00

CPC classification number: H04L63/065 ,  H04L5/0055 ,  H04L63/0435

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.