Anyone using cfs (crypto filesystem)? - Linux
This is a discussion on Anyone using cfs (crypto filesystem)? - Linux ; I recently acquired the 1.4.0b cfs code originally written at AT&T
but it doesn't seem to work on modern linux. The GNU compiler no
longer recognizes the old k&r style so I dropped the -traditional
flag and it does compile...but
...
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Anyone using cfs (crypto filesystem)?
I recently acquired the 1.4.0b cfs code originally written at AT&T
but it doesn't seem to work on modern linux. The GNU compiler no
longer recognizes the old k&r style so I dropped the -traditional
flag and it does compile...but
when trying to create an encrypted directory with
cfsd
mount -o port=3049,intr localhost:/crypt /crypt
then
cmkdir -3 /image/secret
the cmkdir program hangs in a cpu bound infinite loop after I enter my chosen
passphrase.
the machine is a 2.8Ghz Xeon and machines that fast weren't common when
the code was written so even if the DES code is cpu intensive I shouldn't
be waiting for TEN PLUS minutes for the program to finish.
clues?
I don't build the RSA stuff becuase I don't have the RSAREF code.
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Re: Anyone using cfs (crypto filesystem)?
noone@uber.usachoice.net (Wiseguy) scribbled on the stall wall:
> the cmkdir program hangs in a cpu bound infinite loop after I enter my chosen
> passphrase.
>
anyway, I think I know why it is hanging now. seems the old code uses
a very antiquated method of generating randomness that doesn't work on
modern PC architecture. the code was originally imlemented on a vax 11/780:
quite a bit different hardware.
next step: make it work with the supplied DES, 3DES, and blowfish
ciphers, then see about putting in some stronger ciphers.
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