spinner entropy

Jack Mott thecrow at iconn.net
Sun Apr 21 00:33:07 PDT 1996


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 at 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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