--- /dev/null
+#!/usr/pkg/bin/perl
+#
+# $Id$
+
+use strict;
+
+print "/* GENERATE FILE from gen-des.pl, do not edit */\n\n";
+
+my $gen = 1;
+
+sub gen_pattern
+{
+ my $n = shift;
+ my $r = shift;
+ my $a = shift;
+ my $o = shift;
+ my $s = shift;
+ print "/* $n bit pattern ";
+ foreach my $k (@$a) {
+ print "$k ";
+ }
+ print "*/\n";
+ print "static int $n\[", $r + 1, "\] = {\n ";
+ foreach my $i (0..$r) {
+ my $j = 0;
+ my $b = 1;
+ foreach my $k (reverse @$a) {
+ if ($i & $b) {
+ $j |= ($s >>($k - $o - 1));
+ }
+ $b = $b << 1;
+ }
+ printf "0x%08x", $j;
+ print ", " if ($i != $r);
+ if (($i % 4) == 3) {
+ print "\n";
+ print " " if ($i != $r);
+ }
+ }
+ print "};\n";
+}
+
+if ($gen) {
+ gen_pattern("pc1_c_3", 7, [ 5, 13, 21 ], 0, 0x1000000);
+ gen_pattern("pc1_c_4", 15, [ 1, 9, 17, 25 ], 0, 0x1000000);
+ gen_pattern("pc1_d_3", 7, [ 49, 41, 33 ], 32, 0x1000000);
+ gen_pattern("pc1_d_4", 15, [ 57, 53, 45, 37 ], 32, 0x1000000);
+
+ gen_pattern("pc2_c_1", 63, [ 5, 24, 7, 16, 6, 10 ], 0, 0x800000);
+ gen_pattern("pc2_c_2", 63, [ 20, 18, 12, 3, 15, 23 ], 0, 0x800000);
+ gen_pattern("pc2_c_3", 63, [ 1, 9, 19, 2, 14, 22 ], 0, 0x800000);
+ gen_pattern("pc2_c_4", 63, [ 11, 13, 4, 17, 21, 8 ], 0, 0x800000);
+
+ gen_pattern("pc2_d_1", 63, [ 51, 35, 31, 52, 39, 45 ], 28, 0x800000);
+ gen_pattern("pc2_d_2", 63, [ 50, 32, 43, 36, 29, 48 ], 28, 0x800000);
+ gen_pattern("pc2_d_3", 63, [ 41, 38, 47, 33, 40, 42 ], 28, 0x800000);
+ gen_pattern("pc2_d_4", 63, [ 49, 37, 30, 46, 34, 44 ], 28, 0x800000);
+}
+
+sub
+pbox_mutation
+{
+ my $n = shift;
+ my $res = 0;
+
+ my @pbox = (
+ 16, 7, 20, 21,
+ 29, 12, 28, 17,
+ 1, 15, 23, 26,
+ 5, 18, 31, 10,
+ 2, 8, 24, 14,
+ 32, 27, 3, 9,
+ 19, 13, 30, 6,
+ 22, 11, 4, 25
+ );
+
+ foreach my $i (0..31) {
+ if ($n & (1 << ($pbox[$i] - 1))) {
+# print "$i ", ($pbox[$i] - 1), "\n";
+ $res |= 1 << $i;
+ }
+ }
+
+ return $res;
+}
+
+
+my @S1 = (
+ 14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7,
+ 0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8,
+ 4, 1, 14, 8, 13, 6, 2, 11, 15, 12, 9, 7, 3, 10, 5, 0,
+ 15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13,
+ );
+my @S2 = (
+ 15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10,
+ 3, 13, 4, 7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5,
+ 0, 14, 7, 11, 10, 4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15,
+ 13, 8, 10, 1, 3, 15, 4, 2, 11, 6, 7, 12, 0, 5, 14, 9,
+ );
+my @S3 = (
+ 10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8,
+ 13, 7, 0, 9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1,
+ 13, 6, 4, 9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14, 7,
+ 1, 10, 13, 0, 6, 9, 8, 7, 4, 15, 14, 3, 11, 5, 2, 12,
+ );
+my @S4 = (
+ 7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15,
+ 13, 8, 11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9,
+ 10, 6, 9, 0, 12, 11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4,
+ 3, 15, 0, 6, 10, 1, 13, 8, 9, 4, 5, 11, 12, 7, 2, 14,
+ );
+my @S5 = (
+ 2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9,
+ 14, 11, 2, 12, 4, 7, 13, 1, 5, 0, 15, 10, 3, 9, 8, 6,
+ 4, 2, 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14,
+ 11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9, 10, 4, 5, 3,
+ );
+my @S6 = (
+ 12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11,
+ 10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8,
+ 9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6,
+ 4, 3, 2, 12, 9, 5, 15, 10, 11, 14, 1, 7, 6, 0, 8, 13,
+ );
+my @S7 = (
+ 4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1,
+ 13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6,
+ 1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2,
+ 6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14, 2, 3, 12,
+ );
+
+my @S8 = (
+ 13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7,
+ 1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2,
+ 7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8,
+ 2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11,
+ );
+
+my @SBox = ( \@S1, \@S2, \@S3, \@S4, \@S5, \@S6, \@S7, \@S8 );
+
+sub
+one_num_in_one_sbox
+{
+ my $i = shift;
+ my $n = shift;
+ my $r = shift;
+
+ my $index = (($n & 1) << 4) | (($n & 0x20)) |
+ (($n >> 1) & 0x1) << 0 |
+ (($n >> 2) & 0x1) << 1 |
+ (($n >> 3) & 0x1) << 2 |
+ (($n >> 4) & 0x1) << 3;
+
+ die "argh" if ($index > 63 || $index < 0);
+
+ my $S = $SBox[$i - 1];
+ my $val = $$S[$index];
+
+ my $res = $val << (($i - 1) * 4);
+
+ my $p = &pbox_mutation($res);
+
+ print " $r ";
+
+# $p = ($p >> $r) | ($p << (32 - $r - 1));
+
+ printf "0x%08x", $p;
+ print ", " if ($n != 63 or 1);
+ if (($n % 4) == 3) {
+ print " /* $i */" if ($n == 3);
+ print "\n";
+ print "\t" if ($n != 63);
+ }
+}
+
+sub
+one_sbox
+{
+ my $i = shift;
+ my $s = 0;
+
+# print "static uint32_t sbox". $i ."[] = {\n\t";
+ print "\t";
+ foreach my $n (0..63) {
+ one_num_in_one_sbox($i, $n, $s);
+ }
+ print "\n";
+# print "};\n";
+}
+
+if ($gen and 0) {
+ foreach my $sbox (7, 1, 3, 5, 4, 6, 8, 2) {
+ one_sbox($sbox, 1);
+ }
+}
+
+#my $num = 1;
+#printf "pbox: %d -> 0x%08x\n", $num, pbox_mutation($num);
+#$num = 0xc000000;
+#printf "pbox: 0x%08x -> 0x%08x\n", $num, pbox_mutation($num);
+
+print "static unsigned char odd_parity[256] = { \n";
+foreach my $i (0..255) {
+ my $num = 0;
+ foreach my $b (1..7) {
+ $num++ if (($i >> $b) & 1);
+ }
+ my $t;
+ if (($num & 1) == 0) {
+ $t = $i | 1;
+ } else {
+ $t = 0xfe & $i;
+ }
+ printf "%3d,", $t;
+ printf "\n" if (($i % 16) == 15);
+
+};
+print " };\n";
git.samba.org / samba.git / blobdiff