[Cryptography] Dan Bernstein has a new blog entry on key breaking

[Perry E. Metzger]

On Sat, 21 Nov 2015 22:05:05 -0500 Phillip Hallam-Baker
<phill at hallambaker.com> wrote:
> There are a couple of ways to defeat this type of attack. One would
> be to effectively randomize the plaintext by pre-encrypting with
> something like RC4. This would make it much harder to use the
> 'guessable plaintext' attack.

That vaguely reminds of DES-X

https://en.wikipedia.org/wiki/DES-X

The DES-X trick always struck me as cheesy -- it should not work,
since what it does is incredibly lame. And yet it seemed to be very
hard to attack.

Perry
-- 
Perry E. Metzger		perry at piermont.com