95 lines
1.5 KiB
Plaintext
95 lines
1.5 KiB
Plaintext
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#!/usr/local/bin/perl
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@PC2_C=(14,17,11,24, 1, 5,
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3,28,15, 6,21,10,
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23,19,12, 4,26, 8,
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16, 7,27,20,13, 2,
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);
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@PC2_D=(41,52,31,37,47,55,
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30,40,51,45,33,48,
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44,49,39,56,34,53,
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46,42,50,36,29,32,
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);
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$i=0;
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foreach (@PC2_C) {
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$_--;
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# printf "%2d,",$_;
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$C{$_}=$i;
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++$i;
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# print "\n" if ((($i) % 8) == 0);
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}
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$i=0;
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#print "\n";
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foreach (@PC2_D) {
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$_-=28;
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$_--;
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# printf "%2d,",$_;
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$D{$_}=$i;
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$i++;
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# print "\n" if ((($i) % 8) == 0);
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}
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#print "\n";
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foreach $i (0 .. 27)
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{
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$_=$C{$i};
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# printf "%2d,",$_;
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$i++;
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# print "\n" if ((($i) % 8) == 0);
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}
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#print "\n";
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#print "\n";
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foreach $i (0 .. 27)
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{
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$_=$D{$i};
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# printf "%2d,",$_;
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$i++;
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# print "\n" if ((($i) % 8) == 0);
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}
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#print "\n";
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print "static ulong skb[8][64]={\n";
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&doit("C",*C, 0, 1, 2, 3, 4, 5);
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&doit("C",*C, 6, 7, 9,10,11,12);
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&doit("C",*C,13,14,15,16,18,19);
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&doit("C",*C,20,22,23,25,26,27);
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&doit("D",*D, 0, 1, 2, 3, 4, 5);
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&doit("D",*D, 7, 8,10,11,12,13);
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&doit("D",*D,15,16,17,18,19,20);
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&doit("D",*D,21,22,23,24,26,27);
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print "};\n";
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sub doit
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{
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local($l,*A,@b)=@_;
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local(@out);
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printf("/* for $l bits (numbered as per FIPS 46) %d %d %d %d %d %d */\n",
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$b[0]+1, $b[1]+1, $b[2]+1, $b[3]+1, $b[4]+1, $b[5]+1);
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for ($i=0; $i<64; $i++)
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{
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$out[$i]=0;
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$j=1;
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#print "\n";
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for ($k=0; $k<6; $k++)
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{
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$l=$A{$b[$k]};
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#print"$l - ";
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if ((1<<$k) & $i)
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{
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$ll=int($l/6)*8+($l%6);
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$out[$i]|=1<<($ll);
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}
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}
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$pp=$out[$i];
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$pp=($pp&0xff0000ff)| (($pp&0x00ff0000)>>8)|
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(($pp&0x0000ff00)<<8);
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printf("0x%08X,",$pp);
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print "\n" if (($i+1) % 4 == 0);
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}
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}
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