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View Thread: Brilliant Code! Got Some?
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    Ion Todirel

    Bass said:
    cheong said:
    *snip*

    /* efdtt.c Author: Charles M. Hannum <root@ihack.net> */
    /* */
    /* Thanks to Phil Carmody <fatphil@asdf.org> for additional tweaks. */
    /* */
    /* DVD-logo shaped version by Alex Bowley <alex@hyperspeed.org> */
    /* */
    /* Usage is: cat title-key scrambled.vob | efdtt >clear.vob */


    #define m(i)(x[i]^s[i+84])<<

    unsigned char x[5] ,y,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=m( 1)17 ^256 +m(0) 8,k =m(2)
    0,j= m(4) 17^ m(3) 9^k* 2-k%8
    ^8,a =0,c =26;for (s[y] -=16;
    --c;j *=2)a= a*2^i& 1,i=i /2^j&1
    <<24;for(j= 127; ++j<n;c=c>
    y)
    c

    +=y=i^i/8^i>>4^i>>12,
    i=i>>8^y<<17,a^=a>>14,y=a^a*8^a<<6,a=a
    >>8^y<<9,k=s[j],k ="7Wo~'G_\216"[k
    &7]+2^"cr3sfw6v;*k+>/n."[k>>4]*2^k*257/
    8,s[j]=k^(k&k*2&34)*6^c+~y
    ;}}
    wow lol that's crazy Smiley lol again