1996-04-21 - Re: spinner entropy

Header Data

From: Jack Mott <thecrow@iconn.net>
To: Jeremey Barrett <jeremey@forequest.com>
Message Hash: 7c2d76465478697dac5c816ac2d23e4fd2330f97b29282d308fed0b2474cb3d0
Message ID: <3179BFF2.157A@iconn.net>
Reply To: <Pine.BSI.3.91.960420193617.11348A-100000@newton.forequest.com>
UTC Datetime: 1996-04-21 07:33:07 UTC
Raw Date: Sun, 21 Apr 1996 15:33:07 +0800

Raw message

From: Jack Mott <thecrow@iconn.net>
Date: Sun, 21 Apr 1996 15:33:07 +0800
To: Jeremey Barrett <jeremey@forequest.com>
Subject: Re: spinner entropy
In-Reply-To: <Pine.BSI.3.91.960420193617.11348A-100000@newton.forequest.com>
Message-ID: <3179BFF2.157A@iconn.net>
MIME-Version: 1.0
Content-Type: text/plain


Jeremey Barrett wrote:
> 
>  Wei Dai writes:
> > Do we have other candidates for portable software RNGs?
> >
> >
> 
> What is more important, good portable software RNGs or good portable
> seeding mechanisms?  Seems to me there are good RNGs out there, but
> there is virtually no way to portably guarantee a good seed.
> 
> Netscape's RNG was probably good as any, but their seed sucked, so they
> got cracked.

Take an RC4 state box.  grab 30 or so random seeds from a hardware device, use them 
to mix the state box, and use the rest of RC4 to grab random values. Just an idea, 
very fast at least.
-- 
thecrow@iconn.net
"It can't rain all the time"

RSA ENCRYPTION IN 3 LINES OF PERL
---------------------------------------------------------
#!/bin/perl -sp0777i<X+d*lMLa^*lN%0]dsXx++lMlN/dsM0<j]dsj
$/=unpack('H*',$_);$_=`echo 16dio\U$k"SK$/SM$n\EsN0p[lN*1
lK[d2%Sa2/d0$^Ixp"|dc`;s/\W//g;$_=pack('H*',/((..)*)$/)





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