METHOD AND APPARATUS FOR AUTHENTICATING PUBLIC KEY WITHOUT AUTHENTICATION SERVER

摘要

PURPOSE: A method for authenticating a public key without an authentication server and an apparatus thereof are provided to increase security by authenticating a public key based on a password displayed on the screen of a device. CONSTITUTION: A password, a first value, and a public key of a second device are received from a second device(310). The password is displayed on the screen of the second device. The first value is generated based on the public key of the second device. A second value is generated based on the public key of the second device and the password inputted in a first device(320). The public key of the second device is authenticated based on the first value and the second value.