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Date: Tue, 3 Sep 2013 22:51:52 +0200
From: Krisztián Pintér <>
Subject: Re: Fwd: [crypt-dev] Password Scrambling

i thank you for that method for two reasons.

reason 1: it is neat and simple, does not branch on secret, and a nice concept overall.

reason 2: the math used for the proof is the exact same math i need to analyise my earlier proposal. i can't believe that i might be able to actually come up with a proof on my own, based on this. that said, if someone is willing to help me out, drop be a mail.

bonus reason: i used the same bit-reversal in my first attempt, but then opted for a simpler go-backwards pattern.

Monday, September 2, 2013, 7:03:56 PM, Patrick Mylund Nielsen <> wrote:

>  password scrambler based on the bit reversal function. A detailed
>  description of our scheme is available on eprint
>  (

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