New release of CFS Unix encrypting file system available
Matt Blaze
mab at crypto.com
Fri Oct 27 13:34:56 PDT 1995
> What happens to hard links?
>
> mkdir foo bar
> CFS_set_directory_key -directory ./foo -key foo-key
> CFS_set_directory_key -directory ./bar -key bar-key
This isn't how it works. You "attach" an encrypted directory to a
virtual namespace into which you write (and read) the cleartext. It's
similar to mounting a file system.
> cp /etc/passwd ./foo/test1
> ln ./foo/footest ./bar/bartest
> cmp ./foo/footest ./bar/bartest
Hard links don't work across different "attached" directories (just as
they don't work across different file systems).
-matt
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