Method and portable storage device for allocating secure area in insecure area

摘要

A storage device for allocating a secure area in an insecure area is disclosed. The storage device comprises a storage section comprising an insecure area and a secure area; a transmitter which sends position information regarding the secure area of the storage section to a host device; a receiver which receives the position information and data to be stored in the secure area from the host device; and a secure application which encrypts and stores the data in the storage section based on the position information. Also disclosed is a storage device for allocating a secure area in an insecure area device comprising a storage section comprising an insecure area and a secure area; a receiver which receives data to be stored in the secure area of the storage section from a host device; a secure application which secures a space for the secure area needed to store the data within the storage section, and encrypts and stores the data in the secure area; and a transmitter which sends a result of the storing the data within the storage section to the host device.