KEY MANAGEMENT SYSTEM ACCORDING TO UPDATE OF A ROOT PUBLIC KEY AND A METHOD THEREOF, CAPABLE OF INTEGRALLY MANAGING THE ROOT PUBLIC KEY IN A DOWNLOAD MANAGEMENT SERVER

摘要

PURPOSE: A key management system according to update of a root public key and a method thereof are provided to solve root public key inconsistency between a security application download management server and a terminal.;CONSTITUTION: A security application download management server(100) includes a root public key management part(110) and a service loader part(130). The root public key management part manages update information and root public keys by generating a first root public key and a second root public key, and generates a second certificate by encoding the second root public key. The service loader part forms a data communication channel by accessing a security application providing server or a terminal loaded with a security platform. If the service loader part receives a security application added with a first certificate from the security application providing server, the service loader part adds a second certificate and then transmits the security application to the terminal.;COPYRIGHT KIPO 2013;[Reference numerals] (110) Root public key management part; (120) Service loader part