phc-discussions - Re: Crypto puzzle

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Message-ID: <CAOLP8p6ei3FuaPxHdR2JW-gG0dhQNymFLV7gwQt=iYCq2tXVfA@mail.gmail.com>
Date: Fri, 14 Aug 2015 22:35:32 -0700
From: Bill Cox <waywardgeek@...il.com>
To: "discussions@...sword-hashing.net" <discussions@...sword-hashing.net>
Subject: Re: Crypto puzzle

By the way, I managed to map Edwards curves to the form Finv(F(x) + F(y)).
It required line integrals over the points on the Edwards curve projected
up onto a unit sphere, but it worked out.

Bill

On Fri, Aug 14, 2015 at 9:37 PM, Bill Cox <waywardgeek@...il.com> wrote:

> 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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