> 2003/03/23 (日) 01:45:04 ◆ ▼ ◇ [mirai]> > DeCCS使ってないんじゃ(;´Д`)
> #!/usr/bin/perl
> # 472-byte qrpff, Keith Winstein and Marc Horowitz <sipb-iap-dvd@mit.edu>
> # MPEG 2 PS VOB file -> descrambled output on stdout.
> # usage: perl -I <k1>:<k2>:<k3>:<k4>:<k5> qrpff
> # where k1..k5 are the title key bytes in least to most-significant order
> s''$/=\2048;while(<>){G=29;R=142;if((@a=unqT="C*",_)[20]&48){D=89;_=unqb24,qT,@
> b=map{ord qB8,unqb8,qT,_^$a[--D]}@INC;s/...$/1$&/;Q=unqV,qb25,_;H=73;O=$b[4]<<9
> |256|$b[3];Q=Q>>8^(P=(E=255)&(Q>>12^Q>>4^Q/8^Q))<<17,O=O>>8^(E&(F=(S=O>>14&7^O)
> ^S*8^S<<6))<<9,_=(map{U=_%16orE^=R^=110&(S=(unqT,"\xb\ntd\xbz\x14d")[_/16%8]);E
> ^=(72,@z=(64,72,G^=12*(U-2?0:S&17)),H^=_%64?12:0,@z)[_%8]}(16..271))[_]^((D>>=8
> )+=P+(~F&E))for@a[128..$#a]}print+qT,@a}';s/[D-HO-U_]/\$$&/g;s/q/pack+/g;eval
遅すぎ(;´Д`)
参考:2003/03/23(日)01時42分18秒