[Cryptography] AES Broken?

[Julien Bringer]

2015-08-28 4:59 GMT+02:00 Ray Dillinger <bear at sonic.net>:

> Is this guy blowing smoke, or did he find a real attack on AES?
>
> https://mjos.fi/doc/gavekort_kale.pdf
>
> The fact that he proposes a self-invented cipher in the same paper
> makes me very suspicious that his attack on AES is imaginary.  It
> matches too much past 'crackpot' behavior.
>

well, he says something true, that the AES S-box (SubBytes) is based on the
inverse transformation in GF(2^8) (which is known since Rinjdael
submission...).

For the other claims in the document, this is another story... Your first
guess is the right one!

Julien
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