Secure Science issues preview of their upcoming block cipher
David Wagner
daw at cs.berkeley.edu
Fri Mar 25 12:02:40 EST 2005
Jerrold Leichter writes:
>They don't claim that:
>
> This cipher is ... provably just as secure as AES-128.
>
>I can come up with a cipher provably just as secure as AES-128 very quickly....
Actually, I think Adam is totally right.
Have you looked at their scheme?
http://www.securescience.net/ciphers/csc2/
The way to come up with a cipher provably as secure as AES-128 is to use
AES-128 as part of your cipher -- but their scheme does not do anything
like that.
I am very skeptical about claims that they have a mathematical proof that
CS2-128 is as secure as AES-128. I want to see the proof.
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