Just correcting spelling and logic. It really blew my mind when Erik de Castro Lopo <[EMAIL PROTECTED]> said:
> If someone hs access to a Logic Analyser with a PCI bus probe (I have seen > one) then this becomes possible reverse engineering task. > > You run the card under Linux and watch the Logic Analyser trace. Then you > start peeking an poking registers under Linux. If someone has access to a Logic Analyser with a PCI bus probe (I have seen one) then this becomes a possible reverse engineering task. You run the card under Windows and watch the Logic Analyser trace. Then you start peeking and poking registers under Linux. Erik -- +-----------------------------------------------------------+ Erik de Castro Lopo [EMAIL PROTECTED] (Yes it's valid) +-----------------------------------------------------------+ /* efdtt.c Author: Charles M. Hannum <[EMAIL PROTECTED]> */ /* */ /* Usage is: cat title-key scrambled.vob | efdtt >clear.vob */ #define K(i)(x[i]^s[i+84])<< unsigned char x[5],y,z,s[2048];main(n){for(read(0,x,5);read(0,s,n=2048);write(1 ,s,n))if(s[y=s[13]%8+20]/16%4==1){int i=K(1)17^256+K(0)8,k=K(2)0,j=K(4)17^K(3)9 ^k*2-k%8^8,a=0,b=0,c=26;for(s[y]-=16;--c;i/=2,j/=2)a=a*2^i&1,b=b*2^j&1;for(j= 127;++j<n;c=z+c>y)a^=a>>14,a=a>>8^(y=a^a*8^a<<6)<<9,b=b>>8^(z=b^b/8^b>>4^b>>12) <<17,i=s[j],i="7Wo~'G_\216"[i&7]+2^"cr3sfw6v;*k+>/n."[i>>4]*2^i*257/8,s[j]=i^(i &i*2&34)*6^z+c+~y;}}