Patent ID: 8549594

Claim:
A method of identity authentication by using an identification code of a communication device and a dynamic password, comprising the steps of: (a) for each access to a specific website via Internet, causing a network user to select the communication device and input the identification code of the communication device into a dynamic web-page of the specific website; (b) in response to input of the identification code, a website server in the specific website generating the dynamic password and displaying the dynamic password in a dynamic password field of the dynamic web-page, and storing both the input identification code of the communication device and the displayed dynamic password in an identifying and verifying database of the website server; (c) the network user viewing the dynamic password in the dynamic password field of the dynamic webpage and voluntarily transferring the dynamic password from the communication device to a receiving terminal designated by the specific website by inputting the dynamic password into the communication device for inclusion in a message, and causing the message to be transmitted by the communication device to the receiving terminal; (d) after having received the message from the communication device, the receiving terminal actively detecting the identification code of the communication device and transmitting the identification code together with the dynamic password included in the message to the identifying and verifying database of the specific website for matching comparison with the stored identification code and the stored dynamic password stored in the identifying and verifying database, wherein if no discrepancy is found, successful authentication is indicated on the dynamic web-page of the specific website; while if any discrepancy is found, an failure of the authentication is indicated.