Patent ID: 8954692
Filing Date: 2015-02-10
Classification: G06F

Abstract:
1. A file protecting method for a memory storage apparatus having a re-writable non-volatile memory module having a plurality of physical blocks, the file protecting method comprising: grouping the plurality of physical blocks into at least a data area and a spare area; configuring a plurality of logical addresses and grouping the plurality of logical addresses into a plurality of logical blocks to be mapped to the plurality of physical blocks of the data area, wherein the plurality of logical addresses is formatted to be a partition having a file allocation document area and a file area, the file allocation document area stores a file allocation document, a file is stored in at least one cluster in the file area, and the file allocation document records at least one entry value corresponding to the at least one cluster; and performing a file protection enabling procedure on the file, wherein the file protection enabling procedure comprises: