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Securely deleting files from ext4 filesystems

Securely deleting files from ext4 filesystems

Posted Oct 13, 2011 4:29 UTC (Thu) by idupree (guest, #71169)
In reply to: Securely deleting files from ext4 filesystems by idupree
Parent article: Securely deleting files from ext4 filesystems

Actually, perhaps eCryptfs allows encrypting filenames now; that FAQ looks out of date. I am trying to find if there is a current, authoritative or thorough, source of documentation.


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Securely deleting files from ext4 filesystems

Posted Oct 13, 2011 16:58 UTC (Thu) by bronson (subscriber, #4806) [Link]

Maybe the FAQ meant "shared encryption of filenames is a planned feature?"

Filenames are definitely encrypted:

6iunrlZi-dPSMlPILVYHNzf6  hmHIsA,bJvYNyeZHLfsymDqJ  w-n3rfYuKwJ-tzutdvQFHptg
aMZxjk4YBpJ9RduR24WILNZL  JwXaP3iCGg6qnvRy,tACFneM  wyLevtLXq4lPaJ6lQY42TO2b
atquOpNlClvXb-ebMwIN2Unq  ObCNzE4DugID75tRzXh9nw-x  XhpFHg8UPto8c8GbAitAgcnN
dy3BqGdPF,IZxDIZY9Flvg96  WjwZb6kosJEaMepnDYuJKmat  yYAxEsFk-33ftNf5c97exIwU
File sizes and directory structure, however, are not. They can still leak a fair amount of information. For me that's no big deal... I don't mind too much if someone figures out where I store my financial documents as long as they can't read the names and numbers.


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