METHOD AND USB FLASH DRIVE FOR PROTECTING PRIVATE CONTENT STORED IN THE USB FLASH DRIVE

摘要

A method and a USB flash drive for protecting private content stored in the USB flash drive. Wherein the USB flash drive comprises a micro-controller unit, a USB connector, a flash memory array, a decoder and a storage for storing various application programs, characterized in that a backup power supply is provided in the USB flash drive, whereby the micro-controller unit controls the entire USB flash drive according to the application programs, the controlling processes comprising configuring protectable mode of the USB flash drive; initiating the protection of the USB flash drive based on a configured protectable mode; generating a signal in response to the initiating and transmitting the signal to the micro-controller unit; and recoverably deleting original file systems from the flash memory array of the USB flash drive in response to the received protection signal.