Flash memory device having secure file deletion function and method for securely deleting flash file

摘要: Disclosed is a flash memory device having secure file deletion function and method for securely deleting file. Data object headers as actual contents of the are separately stored in data blocks header blocks. At this time, encrypted stored, decryption key included an block. When deleted, deleted by searching block where including stored. In order to search block, binary tree structure used which terminal node indicates LSB ID. may be applied embedded system storage medium. particular, disclosed suitable NAND device.