A secure message service using the secure domain of a mobile security solution

The various services using smart mobile devices including smartphones have increased and personal smart mobile devices have utilized for the business use in many cases. There are the technologies for using smart mobile devices safely by separating the personal area and the business area such as TEE. This paper describes a MSS(Mobile Security Solution) system which is designed based on the TEE system architecture of Global Platform. The Secure Domain of the MSS System allows the secure preservation of sensitive data and the secure execution of sensitive functions. In this paper, we describe the architecture of the MSS System and the procedure for providing a secure message service by using the Secure Domain of the MSS system.