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<http://www2.clinet.fi/~msihvo/files/crossbows.html>

"If you don't learn how to beat your plowshares into swords
before they outlaw swords, then you sure as HELL ought to learn 
before they outlaw plowshares too. "

--Chuck Hammill 


#!/usr/local/bin/perl -0777-- -export-a-crypto-system-sig -RC4-3-lines-PERL
@k=unpack('C*',pack('H*',shift));for(@[email protected]=0..255){$y=($k[$_%@k]+$s[$x=$_
]+$y)%256;&S}$x=$y=0;for(unpack('C*',<>)){$x++;$y=($s[$x%=256]+$y)%256;
&S;print pack(C,$_^=$s[($s[$x]+$s[$y])%256])}sub S{@s[$x,$y][email protected][$y,$x]}