Date: Thu, 8 Mar 2001 21:26:34 -0800 From: "Crist J. Clark" <cjclark@reflexnet.net> To: Brad Knowles <brad.knowles@skynet.be> Cc: chat@FreeBSD.ORG Subject: Re: DJBDNS vs. BIND Message-ID: <20010308212634.R1367@cjc-desktop.users.reflexcom.com> In-Reply-To: <v04220800b6cd9fc2cdb6@[194.78.241.123]>; from brad.knowles@skynet.be on Thu, Mar 08, 2001 at 09:46:04PM %2B0100 References: <200103072052.NAA28420@usr05.primenet.com> <v0422080bb6cc664a0cf3@[194.78.241.123]> <200103081825.f28IPXe90645@earth.backplane.com> <v04220800b6cd9fc2cdb6@[194.78.241.123]>
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On Thu, Mar 08, 2001 at 09:46:04PM +0100, Brad Knowles wrote:
[snip]
> --
> Brad Knowles, <brad.knowles@skynet.be>
>
> #!/usr/bin/perl -w
> # 531-byte qrpff-fast, Keith Winstein and Marc Horowitz <sipb-iap-dvd@mit.edu>
> # MPEG 2 PS VOB file on stdin -> descrambled output on stdout
> # arguments: title key bytes in least to most-significant order
> # Usage:
> # qrpff 153 2 8 105 225 /mnt/dvd/VOB_FILE_NAME | extract_mpeg2 | mpeg2_dec -
> $_='while(read+STDIN,$_,2048){$a=29;$b=73;$c=142;$t=255;@t=map{$_%16or$t^=$c^=(
> $m=(11,10,116,100,11,122,20,100)[$_/16%8])&110;$t^=(72,@z=(64,72,$a^=12*($_%16
> -2?0:$m&17)),$b^=$_%64?12:0,@z)[$_%8]}(16..271);if((@a=unx"C*",$_)[20]&48){$h
> =5;$_=unxb24,join"",@b=map{xB8,unxb8,chr($_^$a[--$h+84])}@ARGV;s/...$/1$&/;$
> d=unxV,xb25,$_;$e=256|(ord$b[4])<<9|ord$b[3];$d=$d>>8^($f=$t&($d>>12^$d>>4^
> $d^$d/8))<<17,$e=$e>>8^($t&($g=($q=$e>>14&7^$e)^$q*8^$q<<6))<<9,$_=$t[$_]^
> (($h>>=8)+=$f+(~$g&$t))for@a[128..$#a]}print+x"C*",@a}';s/x/pack+/g;eval
>
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I was wondering how long it would take before I saw that being used as
a .sig in the wild. Not long at all.
--
Crist J. Clark cjclark@alum.mit.edu
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