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Bug#559755: For pity's sake, no.



On Sun, 2010-01-03 at 04:58 -0800, Bart Massey wrote:
> My backup system is built entirely around the cryptoloop module, and I
> have no real interest in re-engineering it.  In my application, the
> weakness referred to in CVE-2004-2135 is largely irrelevant.   I'm not
> sure what "cryptoloop doesn't work with journaling filesystems" is
> supposed to mean; it has seemed to work fine for me for years and
> years.
[...]

Journalling filesystems rely on proper implementation of write barriers,
but I believe cryptoloop doesn't provide that.  (This is not unique to
cryptoloop; several other block translation drivers have the same
problem.)

Ben.

-- 
Ben Hutchings
The obvious mathematical breakthrough [to break modern encryption] would be
development of an easy way to factor large prime numbers. - Bill Gates

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