Re: Making the Ciphertext String Itself Truly Random – The Conjecture.
- From: Mark Murray <w.h.oami@xxxxxxxxxxx>
- Date: Sun, 12 Feb 2012 18:42:35 +0000
On 12/02/2012 12:50, adacrypt wrote:
In essence the cipher is a perfect random number generator wherein the
numbers are the ciphertext - even MM noticed this and is to be
commended for it - pity he has'nt a bit more brains - he's not a bad
lad for all that ! - adacrypt
You are misquoting me again - badly. I never said that it was a perfect
RNG, in fact I was pointing out that you simply had a polyalphabetic
cipher, and I showed how to recofer the dictionaries.
Encipher a big file, then plot the vector components against each other
(X vs y), (y vs z) and (z vs x). Notice that there is strong structure
Then note that all the A's encipher to ciphertext_A, all B's to ciphertext_B where there is no intersection between these sets
at all. Thus, a dictionary is formed, and your cipher is busted.
Mark "No Nickname" Murray
Notable nebbish, extreme generalist.
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