Method for providing a trusted path between a client and a system

1. A method for providing a trusted path between a client and a system using an access control processing technique, comprising the steps of:

determining whether access to resources of the system will be permitted or refused on the basis of access control rules and databased attributes set by a security administrator; and

notifying the client of permission for or refusal of the access in accordance with the result of the determination,

wherein in the step of notifying is implemented in such a way that certain hardware processing means connected to the outside through an external connection port is provided with a visible display function.

2. The method of claim 1 , further comprising the steps of:

determining whether the hardware processing means and the client are each granted the login role if the client logs in and inputs an identification;

determining whether the access to the resources of the system is permitted or refused by authenticating the ID on the basis of the access control rules and the databased attributes if as the result of the determination, the hardware processing means and the client are each granted the login role;

turning on the display function of the hardware processing means if as the result of the determination, the access is permitted; and

performing a password authentication process.

3. The method of claim 2 , wherein if as the result of the determination, the access will be refused, a preset number of trials are allowed.