Michael E. Locasto Angelos D. Keromytis CamouflageFS: Increasing the Effective Key Length in Cryptographic Filesystems on the Cheap. 1-15 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3089&spage=1 2004 conf/acns/2004 ACNS db/conf/acns/acns2004.html#LocastoK04