Usbkey of mobile phone identity identification terminal

The utility model relates to a Usbkey of a mobile phone identity identification terminal. The Usbkey of the mobile phone identity identification terminal includes a hardware system and an earphone plug which is connected with the hardware system. The hardware system is provided with a confirmation button; the earphone plug comprises an audio interface; the audio interface comprises a microphone terminal, a ground terminal, a right channel terminal and a left channel terminal; the hardware system is provided with a circuit board; and the circuit board is provided with a password calculation chip, a communication chip and a battery. The beneficial effects of the utility model are that: the Usbkey of the mobile phone identity identification terminal is simple in structure, convenient in operation, and highly practical, can realize the one-time password function, can realize the mobile payment function through the symmetric and asymmetric encryption algorithms, and can store the personal key, certificate, paramet