公开(公告)号：US20240333494A1

公开(公告)日：2024-10-03

申请号：US18623153

申请日：2024-04-01

Applicant: Electronics and Telecommunications Research Institute

Inventor： Kisung PARK

IPC: H04L9/08

CPC classification number: H04L9/088

Abstract: Provided is a data management method of user-centric data management through authentication and key agreement based on a single aggregate key. The method includes adding a keyword to data and encrypting the data according to a predetermined encryption technique; storing the encrypted data in a personal storage; receiving a data request from a data user terminal; and transmitting a single aggregate key required for the encrypted data to the data user terminal in response to the data request.