[Cryptography] deniable symmetric ciphers?
andrew cooke
andrew at acooke.org
Sat Dec 28 12:10:40 EST 2013
you may be looking for "distinguishing attack". so, for example
https://www.google.cl/search?q=distinguishing+attack+aes shows that there is
some relevant resource for AES.
see also http://en.wikipedia.org/wiki/Distinguishing_attack
ideally, ciphers should not have such attacks, but they seem to be fairly
common (perhaps because they are often easier than anything else - you only
need to find some statistical irregularity, not exploit it; also they are
often innocuous and require large amounts of data).
you may be asking "is there any common symmetric cipher with no known
distinguishing attack?" - but i don't know the answer to that.
there are other problems implicit in your question, as others have said.
andrew
On Fri, Dec 27, 2013 at 10:18:24PM -0600, Paul Elliott wrote:
>
> Call a symmetric ciphers deniable if it is computationaly
> difficult to distinguish it's output from random data
> even if it's plaintext is highly ordered or even known.
>
> Are there any strong published deniable ciphers?
>
> Thank You.
>
>
> --
> Paul Elliott 1(512)837-1096
> pelliott at BlackPatchPanel.com PMB 181, 11900 Metric Blvd Suite J
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