The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 10, 2015
Filed:
Jul. 17, 2012
Chien-fu Lee, Yunlin County, TW;
Chien-Fu Lee, Yunlin County, TW;
Phison Electronics Corp., Miaoli, TW;
Abstract
A file protecting method and system and a memory controller and a memory storage apparatus using the same are provided. The file protecting method includes performing a file protection enabling procedure for a file to generate an entry value backup according to at least one entry value corresponding to at least one cluster storing the file, which is recorded in a file allocation document, store the entry value backup in a secure storage area and change the entry value corresponding to the cluster storing the file in the file allocation document, wherein the file cannot be read according to the changed entry value. Accordingly, the file stored in the memory storage apparatus the can be effectively protected from being accessed by an un-authorized person.