Patent ID: 7948360

Claim:
A storage device having a user identification function, comprising: a power supply module, for providing a working power, and the power supply module comprising: a first power unit, for providing a power; a second power unit; and a power controller, coupled to the first power unit and the second power unit, for charging the second power unit according to the power and outputting the working power; a user identification module, coupled to the power controller of the power supply module, for receiving the working power and a user's identity information, and the user identification module generating a comparison information according to the user's identity information; and a control unit, coupled to the user identification module, for determining whether or not the user may access the storage device according to the comparison information; wherein when the storage device is in a standby mode, the first power unit supplies the working power to the user identification module through the power controller, and charges the second power unit; when the user identification module is activated, the second power unit supplies the working power required by an operation of encryption or decryption.