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Date: Fri, 14 Aug 2015 21:37:26 -0700
From: Bill Cox <waywardgeek@...il.com>
To: "discussions@...sword-hashing.net" <discussions@...sword-hashing.net>
Subject: Crypto puzzle

I've attached a 56 line Python program, which I wrote after having three
beers at the live music fest here in Tam Valley.  It is either:

a) Shear stupidity (typical of my dumb ideas)
b) Earth shaking new public key crypto
c) yawn

Most likely, it's both not new and wrong at the same time :)

Hint: Just about any random permutation F(x) can be used to create an
abelian group, using the addition law: Finv(F(x) + F(y)).  I know...
post-quantum right?

I really should not post late after the Friday night party...

Bill

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View attachment "twocats_construction.py" of type "text/x-python" (1429 bytes)

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