3ZHANG ZONGFU. Design and implementation of dual-factor au- thentication file encryption system based on smart-phone[C]. 2012 IEEE Symposium on Electrical. Electronics Engineering, 2012.. 678-681.
6HALCROW M A.eCryptfs:An enterprise-class cryptagraphic filesystem for Linux[EB/OL].[2009-08-22].http://www.dubeyko.com/development/FileSystems/eCryptfs/ecryptfs.pdf.
7IEEE/ANSI Draft Std.1003.1e.Draft standard for information technology-POSIX Part 1:System API:Protection,audit and control interface[S].IEEE,1997.
9Mell P,Grance T.The NIST Definition of Cloud Computing[M].[S.l.]:NIST Special Publication,2011.
10Motina H G,Polyzois C A.Issues in Disaster Recovery[C]//Proc.of the 35th IEEE International Conference on Computer Society.San Francisco,USA:IEEE Press,1990:573-577.