| 摘要 |
PURPOSE: A user authentication method with improved security using two communication terminals is provided to prevent the leakage of personal information due to the hacking of a keyboard, a mouse, and an image by preventing the personal information from being directly inputted through the keyboard of a communication terminal. CONSTITUTION: A temporary ID(IDentification) about a registration ID registered in a access server(400) is transferred to a first communications terminal(100)(S201-S204). Time information and a public key are transferred to a second communication terminal(300)(S205-S208). A registration password and the temporary ID registered in the access server are received(S210). The registration ID corresponding to the temporary ID is searched(S211). The transferred registration ID and an encrypted registration password and the time information transferred from the second communication terminal are transferred to the first communication terminal(S213). |
