Temperature key and method for protecting security of computing device using the temperature key

摘要

A temperature key includes a temperature sensor, a microprocessor chip, a storage device, a port, a record button and an enter button. When the temperature key is connected to a computing device and the record button is pressed, the temperature sensor is triggered to record a temperature signal input by a user. The microprocessor chip converts the temperature signal into a password, stores the password in the storage device, and sends the password to the computing device to lock the computing device. When the temperature key is connected to the computing device again and the enter button is pressed, the microprocessor chip retrieves the password from the storage device and sends the password to the computing device. The computing device is unlocked in response to determining that the received password matches the password stored in the computing device.

主权项

1. A temperature key, comprising:
a port that connects the temperature key to a computing device; a storage device; and a microprocessor chip that includes one or more programs, when executed by the microprocessor chip, causing the microprocessor chip to perform operations of: in response to receiving a first signal of a record button being pressed by a user, triggering a temperature sensor of the temperature key to record a temperature signal input by a user; converting the temperature signal into a password and storing the password in the storage device; and sending the password to the computing device, locking the computing device by the password, and electronically disconnecting the temperature key from the computing device.