X-Git-Url: https://www.flypig.org.uk/git/?a=blobdiff_plain;f=tools%2Ftest.pl;h=ef8dc4a77672f9da370ad43ceee08aa6d8932e46;hb=161a6eb4bc643d8e636e96eda613f5137d30da59;hp=9ef274bc2d7515a1007a50e2106c676f3240a4af;hpb=d0123e63b1afa3ec0836ee23ba6619201541b75b;p=hashcat.git

diff --git a/tools/test.pl b/tools/test.pl
index 9ef274b..ef8dc4a 100755
--- a/tools/test.pl
+++ b/tools/test.pl
@@ -45,11 +45,11 @@ my $hashcat = "./hashcat";
 
 my $MAX_LEN = 55;
 
-my @modes = (0, 10, 11, 12, 20, 21, 22, 23, 30, 40, 50, 60, 100, 101, 110, 111, 112, 120, 121, 122, 125, 130, 131, 132, 133, 140, 141, 150, 160, 190, 200, 300, 400, 500, 900, 1000, 1100, 1400, 1410, 1420, 1430, 1440, 1441, 1450, 1460, 1500, 1600, 1700, 1710, 1711, 1720, 1730, 1740, 1722, 1731, 1750, 1760, 1800, 2100, 2400, 2410, 2500, 2600, 2611, 2612, 2711, 2811, 3000, 3100, 3200, 3710, 3711, 3300, 3500, 3610, 3720, 3800, 3910, 4010, 4110, 4210, 4300, 4400, 4500, 4600, 4700, 4800, 4900, 5000, 5100, 5300, 5400, 5500, 5600, 5700, 5800, 6000, 6100, 6300, 6400, 6500, 6600, 6700, 6800, 6900, 7100, 7200, 7300, 7400, 7500, 7600, 7700, 7800, 7900, 8000, 8100, 8200, 8300, 8400, 8500, 8600, 8700, 8900, 9100, 9200, 9300, 9400, 9500, 9600, 9700, 9800, 9900, 10000, 10100, 10200, 10300, 10400, 10500, 10600, 10700, 10800, 10900, 11000, 11100, 11200, 11300, 11400, 11500, 11600, 11900, 12000, 12100, 12200, 12300, 12400, 12600, 12700, 12800, 12900, 13000, 13100, 13200, 13300, 13400, 13500, 13600);
+my @modes = (0, 10, 11, 12, 20, 21, 22, 23, 30, 40, 50, 60, 100, 101, 110, 111, 112, 120, 121, 122, 125, 130, 131, 132, 133, 140, 141, 150, 160, 200, 300, 400, 500, 900, 1000, 1100, 1400, 1410, 1420, 1430, 1440, 1441, 1450, 1460, 1500, 1600, 1700, 1710, 1711, 1720, 1730, 1740, 1722, 1731, 1750, 1760, 1800, 2100, 2400, 2410, 2500, 2600, 2611, 2612, 2711, 2811, 3000, 3100, 3200, 3710, 3711, 3300, 3500, 3610, 3720, 3800, 3910, 4010, 4110, 4210, 4300, 4400, 4500, 4600, 4700, 4800, 4900, 5000, 5100, 5300, 5400, 5500, 5600, 5700, 5800, 6000, 6100, 6300, 6400, 6500, 6600, 6700, 6800, 6900, 7100, 7200, 7300, 7400, 7500, 7600, 7700, 7800, 7900, 8000, 8100, 8200, 8300, 8400, 8500, 8600, 8700, 8900, 9100, 9200, 9300, 9400, 9500, 9600, 9700, 9800, 9900, 10000, 10100, 10200, 10300, 10400, 10500, 10600, 10700, 10800, 10900, 11000, 11100, 11200, 11300, 11400, 11500, 11600, 11900, 12000, 12100, 12200, 12300, 12400, 12600, 12700, 12800, 12900, 13000, 13100, 13200, 13300, 13400, 13500, 13600, 13800);
 
-my %is_unicode      = map { $_ => 1 } qw(30 40 130 131 132 133 140 141 1000 1100 1430 1440 1441 1730 1740 1731 5500 5600 8000 9400 9500 9600 9700 9800 11600 13500);
+my %is_unicode      = map { $_ => 1 } qw(30 40 130 131 132 133 140 141 1000 1100 1430 1440 1441 1730 1740 1731 5500 5600 8000 9400 9500 9600 9700 9800 11600 13500 13800);
 my %less_fifteen    = map { $_ => 1 } qw(500 1600 1800 2400 2410 3200 6300 7400 10500 10700);
-my %allow_long_salt = map { $_ => 1 } qw(2500 5500 5600 7100 7200 7300 9400 9500 9600 9700 9800 10400 10500 10600 10700 1100 11000 11200 11300 11400 11600 12600 13500);
+my %allow_long_salt = map { $_ => 1 } qw(2500 5500 5600 7100 7200 7300 9400 9500 9600 9700 9800 10400 10500 10600 10700 1100 11000 11200 11300 11400 11600 12600 13500 13800);
 
 my @lotus_magic_table =
 (
@@ -213,7 +213,7 @@ sub verify
     # remember always do "exists ($db->{$hash_in})" checks as soon as possible and don't forget it
 
     # unsalted
-    if ($mode == 0 || $mode == 100 || $mode == 101 || $mode == 133 || $mode == 190 || $mode == 200 || $mode == 300 || $mode == 900 || $mode == 1000 || $mode == 1400 || $mode == 1700 || $mode == 2400 || $mode == 2600 || $mode == 3000 || $mode == 3500 || $mode == 4300 || $mode == 4400 || $mode == 4500 || $mode == 4600 || $mode == 4700 || $mode == 5000 || $mode == 5100 || $mode == 5700 || $mode == 6000 || $mode == 6100 || $mode == 6900 || $mode == 8600 || $mode == 9900 || $mode == 10800 || $mode == 11500)
+    if ($mode == 0 || $mode == 100 || $mode == 101 || $mode == 133 || $mode == 200 || $mode == 300 || $mode == 900 || $mode == 1000 || $mode == 1400 || $mode == 1700 || $mode == 2400 || $mode == 2600 || $mode == 3000 || $mode == 3500 || $mode == 4300 || $mode == 4400 || $mode == 4500 || $mode == 4600 || $mode == 4700 || $mode == 5000 || $mode == 5100 || $mode == 5700 || $mode == 6000 || $mode == 6100 || $mode == 6900 || $mode == 8600 || $mode == 9900 || $mode == 10800 || $mode == 11500)
     {
       my $index = index ($line, ":");
 
@@ -226,7 +226,7 @@ sub verify
       $word = substr ($line, $index + 1);
     }
     # hash:salt
-    elsif ($mode == 10 || $mode == 11 || $mode == 12 || $mode == 20 || $mode == 21 || $mode == 22 || $mode == 23 || $mode == 30 || $mode == 40 || $mode == 50 || $mode == 60 || $mode == 110 || $mode == 112 || $mode == 120 || $mode == 121 || $mode == 130 || $mode == 140 || $mode == 150 || $mode == 160 || $mode == 1100 || $mode == 1410 || $mode == 1420 || $mode == 1430 || $mode == 1440 || $mode == 1450 || $mode == 1460 || $mode == 1710 || $mode == 1720 || $mode == 1730 || $mode == 1740 || $mode == 1750 || $mode == 1760 || $mode == 2410 || $mode == 2611 || $mode == 2711 || $mode == 2811 || $mode == 3100 || $mode == 3610 || $mode == 3710 || $mode == 3720 || $mode == 3800 || $mode == 3910 || $mode == 4010 || $mode == 4110 || $mode == 4210 || $mode == 4900 || $mode == 5800 || $mode == 7600 || $mode == 8400 || $mode == 11000 || $mode == 12600 || $mode == 13500)
+    elsif ($mode == 10 || $mode == 11 || $mode == 12 || $mode == 20 || $mode == 21 || $mode == 22 || $mode == 23 || $mode == 30 || $mode == 40 || $mode == 50 || $mode == 60 || $mode == 110 || $mode == 112 || $mode == 120 || $mode == 121 || $mode == 130 || $mode == 140 || $mode == 150 || $mode == 160 || $mode == 1100 || $mode == 1410 || $mode == 1420 || $mode == 1430 || $mode == 1440 || $mode == 1450 || $mode == 1460 || $mode == 1710 || $mode == 1720 || $mode == 1730 || $mode == 1740 || $mode == 1750 || $mode == 1760 || $mode == 2410 || $mode == 2611 || $mode == 2711 || $mode == 2811 || $mode == 3100 || $mode == 3610 || $mode == 3710 || $mode == 3720 || $mode == 3800 || $mode == 3910 || $mode == 4010 || $mode == 4110 || $mode == 4210 || $mode == 4900 || $mode == 5800 || $mode == 7600 || $mode == 8400 || $mode == 11000 || $mode == 12600 || $mode == 13500 || $mode == 13800)
     {
       # get hash
       my $index1 = index ($line, ":");
@@ -2211,7 +2211,7 @@ sub verify
 
       next unless (exists ($db->{$hash_line}) and (! defined ($db->{$hash_line})));
     }
-    elsif ($mode == 13100 )
+    elsif ($mode == 13100)
     {
       ($hash_in, $word) = split ":", $line;
 
@@ -2238,7 +2238,10 @@ sub verify
       next unless (length ($checksum) == 32);
       next unless (length ($edata2) >= 64);
 
-      $salt = $user . '$' . $realm . '$' . $spn . '$' . substr ($edata2, 0, 16);
+      $salt = $user . '$' . $realm . '$' . $spn . '$';
+
+      $param  = $checksum;
+      $param2 = $edata2;
 
       next unless (exists ($db->{$hash_in}) and (! defined ($db->{$hash_in})));
     }
@@ -2253,8 +2256,6 @@ sub verify
 
       next unless scalar @data == 5;
 
-      shift @data;
-
       my $signature = shift @data;
       my $version   = shift @data;
       my $iteration = shift @data;
@@ -2265,7 +2266,8 @@ sub verify
       next unless (length ($mysalt) == 32);
       next unless (length ($digest) == 48);
 
-      $salt = $iteration . '*' . $mysalt;
+      $salt  = $iteration . '*' . $mysalt;
+      $param = $digest;
 
       next unless (exists ($db->{$hash_in}) and (! defined ($db->{$hash_in})));
     }
@@ -2365,7 +2367,8 @@ sub verify
         next unless (length ($keyfile) == $keyfile_len);
       }
 
-      $salt = substr ($hash_in, length ("*keepass*") + 1, length ($hash_in));
+      $salt = substr ($hash_in, length ("*keepass*") + 1);
+      $param = 1; # distinguish between encrypting vs decrypting
 
       next unless (exists ($db->{$hash_in}) and (! defined ($db->{$hash_in})));
     }
@@ -2456,19 +2459,6 @@ sub verify
 
       return unless (substr ($line, 0, $len) eq $hash_out);
     }
-    elsif ($mode == 190)
-    {
-      $hash_out = gen_hash ($mode, $word, $salt, $iter, 0);
-
-      $len = length $hash_out; # == length $alternative
-
-      if (substr ($line, 0, $len) ne $hash_out)
-      {
-        my $alternative = gen_hash ($mode, $word, $salt, $iter, 1);
-
-        return unless (substr ($line, 0, $len) eq $alternative);
-      }
-    }
     elsif ($mode == 3300)
     {
       $hash_out = gen_hash ($mode, $word, $salt, $iter, $param);
@@ -2687,7 +2677,7 @@ sub verify
     }
     elsif ($mode == 13100)
     {
-      $hash_out = gen_hash ($mode, $word, $salt);
+      $hash_out = gen_hash ($mode, $word, $salt, $iter, $param, $param2);
 
       $len = length $hash_out;
 
@@ -2695,7 +2685,7 @@ sub verify
     }
     elsif ($mode == 13200)
     {
-      $hash_out = gen_hash ($mode, $word, $salt);
+      $hash_out = gen_hash ($mode, $word, $salt, $iter, $param);
 
       $len = length $hash_out;
 
@@ -2703,7 +2693,7 @@ sub verify
     }
     elsif ($mode == 13400)
     {
-      $hash_out = gen_hash ($mode, $word, $salt);
+      $hash_out = gen_hash ($mode, $word, $salt, $iter, $param);
 
       $len = length $hash_out;
 
@@ -2796,7 +2786,7 @@ sub passthrough
 
     my $tmp_hash;
 
-    if ($mode == 0 || $mode == 100 || $mode == 101 || $mode == 133 || $mode == 190 || $mode == 200 || $mode == 300 || $mode == 600 || $mode == 900 || $mode == 1000 || $mode == 1400 || $mode == 1700 || $mode == 2400 || $mode == 2600 || $mode == 3500 || $mode == 4300 || $mode == 4400 || $mode == 4500 || $mode == 4600 || $mode == 4700 || $mode == 5000 || $mode == 5100 || $mode == 6000 || $mode == 6100 || $mode == 6900 || $mode == 5700 || $mode == 9900 || $mode == 10800 || $mode == 11500 || $mode == 13300)
+    if ($mode == 0 || $mode == 100 || $mode == 101 || $mode == 133 || $mode == 200 || $mode == 300 || $mode == 600 || $mode == 900 || $mode == 1000 || $mode == 1400 || $mode == 1700 || $mode == 2400 || $mode == 2600 || $mode == 3500 || $mode == 4300 || $mode == 4400 || $mode == 4500 || $mode == 4600 || $mode == 4700 || $mode == 5000 || $mode == 5100 || $mode == 6000 || $mode == 6100 || $mode == 6900 || $mode == 5700 || $mode == 9900 || $mode == 10800 || $mode == 11500 || $mode == 13300)
     {
       $tmp_hash = gen_hash ($mode, $word_buf, "");
     }
@@ -2836,7 +2826,7 @@ sub passthrough
     }
     elsif ($mode == 125)
     {
-      $tmp_hash = gen_hash ($mode, $word_buf, substr ($salt_buf, 0, 10));
+      $tmp_hash = gen_hash ($mode, $word_buf, substr ($salt_buf, 0, 8));
     }
     elsif ($mode == 141 || $mode == 1441)
     {
@@ -3169,6 +3159,10 @@ sub passthrough
     {
       $tmp_hash = gen_hash ($mode, $word_buf, substr ($salt_buf, 0, 32));
     }
+    elsif ($mode == 13800)
+    {
+      $tmp_hash = gen_hash ($mode, $word_buf, substr ($salt_buf, 0, 256));
+    }
     else
     {
       print "ERROR: Unsupported hash type\n";
@@ -3193,7 +3187,7 @@ sub single
   {
     my $mode = $modes[$j];
 
-    if ($mode == 0 || $mode == 100 || $mode == 101 || $mode == 133 || $mode == 190 || $mode == 200 || $mode == 300 || $mode == 600 || $mode == 900 || $mode == 1000 || $mode == 1400 || $mode == 1700 || $mode == 2400 || $mode == 2600 || $mode == 3500 || $mode == 4300 || $mode == 4400 || $mode == 4500 || $mode == 4600 || $mode == 4700 || $mode == 5000 || $mode == 5100 || $mode == 5300 || $mode == 5400 || $mode == 6000 || $mode == 6100 || $mode == 6600 || $mode == 6900 || $mode == 5700 || $mode == 8200 || $mode == 8300 || $mode == 9900 || $mode == 10800 || $mode == 11500 || $mode == 13300)
+    if ($mode == 0 || $mode == 100 || $mode == 101 || $mode == 133 || $mode == 200 || $mode == 300 || $mode == 600 || $mode == 900 || $mode == 1000 || $mode == 1400 || $mode == 1700 || $mode == 2400 || $mode == 2600 || $mode == 3500 || $mode == 4300 || $mode == 4400 || $mode == 4500 || $mode == 4600 || $mode == 4700 || $mode == 5000 || $mode == 5100 || $mode == 5300 || $mode == 5400 || $mode == 6000 || $mode == 6100 || $mode == 6600 || $mode == 6900 || $mode == 5700 || $mode == 8200 || $mode == 8300 || $mode == 9900 || $mode == 10800 || $mode == 11500 || $mode == 13300)
     {
       for (my $i = 1; $i < 32; $i++)
       {
@@ -3966,6 +3960,20 @@ sub single
         }
       }
     }
+    elsif ($mode == 13800)
+    {
+      for (my $i = 1; $i < 32; $i++)
+      {
+        if ($len != 0)
+        {
+          rnd ($mode, $len, 256);
+        }
+        else
+        {
+          rnd ($mode, $i, 256);
+        }
+      }
+    }
   }
 }
 
@@ -4250,24 +4258,6 @@ sub gen_hash
 
     $tmp_hash = sprintf ("%s:%s", $hash_buf, $salt_buf);
   }
-  elsif ($mode == 190)
-  {
-    $hash_buf = sha1_hex ($word_buf);
-
-    my $variant = int (rand (2));
-
-    if (defined ($additional_param))
-    {
-      $variant = $additional_param;
-    }
-
-    if ($variant == 1)
-    {
-      substr ($hash_buf, 0, 5) = "00000";
-    }
-
-    $tmp_hash = sprintf ("%s", $hash_buf);
-  }
   elsif ($mode == 200)
   {
     my $ppr = Authen::Passphrase::MySQL323->new (passphrase => $word_buf);
@@ -6969,28 +6959,63 @@ END_CODE
 
     my $spn   = $salt_arr[2];
 
-    my $nonce = $salt_arr[3];
+    my $k = md4 (encode ("UTF-16LE", $word_buf));
+
+    my $k1 = hmac_md5 ("\x02\x00\x00\x00", $k);
 
     my $cleartext_ticket = '6381b03081ada00703050050a00000a11b3019a003020117a1'.
-    '12041058e0d77776e8b8e03991f2966939222aa2171b154d594b5242544553542e434f4e5'.
-    '44f534f2e434f4da3133011a003020102a10a30081b067472616e6365a40b3009a0030201'.
-    '01a1020400a511180f32303136303231353134343735305aa611180f32303136303231353'.
-    '134343735305aa711180f32303136303231363030343735305aa811180f32303136303232'.
-    '323134343735305a';
+      '12041058e0d77776e8b8e03991f2966939222aa2171b154d594b5242544553542e434f4e5'.
+      '44f534f2e434f4da3133011a003020102a10a30081b067472616e6365a40b3009a0030201'.
+      '01a1020400a511180f32303136303231353134343735305aa611180f32303136303231353'.
+      '134343735305aa711180f32303136303231363030343735305aa811180f32303136303232'.
+      '323134343735305a';
 
-    $cleartext_ticket = $nonce . $cleartext_ticket;
+    my $checksum = "";
 
-    my $k = md4 (encode ("UTF-16LE", $word_buf));
+    if (defined $additional_param)
+    {
+      $checksum = pack ("H*", $additional_param);
+    }
+    else
+    {
+      my $nonce = $salt_arr[3];
 
-    my $k1 = hmac_md5 ("\x02\x00\x00\x00", $k);
+      $cleartext_ticket = $nonce . $cleartext_ticket;
 
-    my $checksum = hmac_md5 (pack ("H*", $cleartext_ticket), $k1);
+      $checksum = hmac_md5 (pack ("H*", $cleartext_ticket), $k1);
+    }
 
     my $k3 = hmac_md5 ($checksum, $k1);
 
+    my $edata2 = "";
+
+    if (defined $additional_param2)
+    {
+      $edata2 = $additional_param2;
+
+      my $cipher_decrypt = Crypt::RC4->new ($k3);
+
+      my $ticket_decrypt = unpack ("H*", $cipher_decrypt->RC4 (pack ("H*", $edata2)));
+
+      my $check_correct  = ((substr ($ticket_decrypt, 16, 4) eq "6381" && substr ($ticket_decrypt, 22, 2) eq "30") ||
+                            (substr ($ticket_decrypt, 16, 4) eq "6382")) &&
+                           ((substr ($ticket_decrypt, 32, 6) eq "030500") ||
+                            (substr ($ticket_decrypt, 32, 8) eq "050307A0"));
+
+      if ($check_correct == 1)
+      {
+        $cleartext_ticket = $ticket_decrypt;
+      }
+      else # validation failed
+      {
+        # fake/wrong ticket (otherwise if we just decrypt/encrypt we end up with false positives all the time)
+        $cleartext_ticket = "0" x (length ($cleartext_ticket) + 16);
+      }
+    }
+
     my $cipher = Crypt::RC4->new ($k3);
 
-    my $edata2 = $cipher->RC4 (pack ("H*", $cleartext_ticket));
+    $edata2 = $cipher->RC4 (pack ("H*", $cleartext_ticket));
 
     $tmp_hash = sprintf ('$krb5tgs$23$*%s$%s$%s*$%s$%s', $user, $realm, $spn, unpack ("H*", $checksum), unpack ("H*", $edata2));
   }
@@ -6998,27 +7023,73 @@ END_CODE
   {
     my @salt_arr = split ('\*', $salt_buf);
 
-    my $iteration  = $salt_arr[0];
+    my $iteration = $salt_arr[0];
 
     my $mysalt = $salt_arr[1];
 
     $mysalt = pack ("H*", $mysalt);
 
-    my $DEK = randbytes (16);
-
     my $iv = "a6a6a6a6a6a6a6a6";
 
-    my $KEK = sha1($word_buf);
+    my $KEK = sha1 ($word_buf);
 
     $KEK = substr ($KEK ^ $mysalt, 0, 16);
 
     my $aes = Crypt::Mode::ECB->new ('AES');
 
-    my @R = ('', substr(pack ("H*",$DEK),0,8), substr(pack ("H*",$DEK),8,16));
-
     my $B;
 
-    my $A = pack ("H*", $iv);
+    my $A;
+
+    my @R = ();
+
+    if (defined $additional_param)
+    {
+      $additional_param = pack ("H*", $additional_param);
+
+      $A = substr ($additional_param,  0, 8);
+      $B = 0x00 x 8;
+
+      $R[1] = substr ($additional_param,  8, 8);
+      $R[2] = substr ($additional_param, 16, 8);
+
+      for (my $j = $iteration - 1; $j >= 0; $j--)
+      {
+        $A = substr ($A, 0, 8) ^ pack ("l", (2 * $j + 2));
+
+        $B = $R[2];
+
+        $A = $aes->decrypt ($A . $B . "\x00" x 16, $KEK);
+
+        $R[2] = substr ($A, 8, 16);
+
+        $A = substr ($A, 0, 8) ^ pack ("l", (2 * $j + 1));
+
+        $B = $R[1];
+
+        $A = $aes->decrypt ($A . $B . "\x00" x 16, $KEK);
+
+        $R[1] = substr ($A, 8, 16);
+      }
+
+      # check if valid
+      if (index ($A, "\xa6\xa6\xa6\xa6\xa6\xa6\xa6\xa6") != 0)
+      {
+        # fake wrong @R and $A values
+
+        @R = ('', "\x00" x 8, "\x00" x 8);
+
+        $A = "\x00" x 16;
+      }
+    }
+    else
+    {
+      my $DEK = randbytes (16);
+
+      @R = ('', substr (pack ("H*", $DEK), 0, 8), substr (pack ("H*", $DEK), 8, 16));
+
+      $A = pack ("H*", $iv);
+    }
 
     for (my $j = 0; $j < $iteration; $j++)
     {
@@ -7051,11 +7122,11 @@ END_CODE
   {
     my @salt_arr = split ('\*', $salt_buf);
 
-    my $version    = $salt_arr[0];
+    my $version   = $salt_arr[0];
 
-    my $iteration  = $salt_arr[1];
+    my $iteration = $salt_arr[1];
 
-    my $algorithm  = $salt_arr[2];
+    my $algorithm = $salt_arr[2];
 
     my $final_random_seed  = $salt_arr[3];
 
@@ -7090,13 +7161,17 @@ END_CODE
     if ($version == 1)
     {
       $contents_hash = $salt_arr[6];
+
       $contents_hash = pack ("H*", $contents_hash);
 
       $inline_flag   = $salt_arr[7];
 
+
       $contents_len  = $salt_arr[8];
 
+
       $contents      = $salt_arr[9];
+
       $contents      = pack ("H*", $contents);
 
       # keyfile handling
@@ -7114,6 +7189,7 @@ END_CODE
                             . "*" . $keyfile_content;
 
         $intermediate_hash = $intermediate_hash . pack ("H*", $keyfile_content);
+
         $intermediate_hash = sha256 ($intermediate_hash);
       }
     }
@@ -7136,6 +7212,7 @@ END_CODE
                     . "*" . $keyfile_content;
 
       }
+
       $intermediate_hash = sha256 ($intermediate_hash);
     }
 
@@ -7174,9 +7251,30 @@ END_CODE
 
     if ($version == 1)
     {
-      $contents_hash = sha256 ($contents);
+      if (defined $additional_param)
+      {
+        # if we try to verify the crack, we need to decrypt the contents instead of only encrypting it:
+
+        $contents = $cipher->decrypt ($contents);
+
+        # and check the output
+
+        my $contents_hash_old = $contents_hash;
 
-      $contents = $cipher->encrypt($contents);
+        $contents_hash = sha256 ($contents);
+
+        if ($contents_hash_old ne $contents_hash)
+        {
+          # fake content
+          $contents = "\x00" x length ($contents);
+        }
+      }
+      else
+      {
+        $contents_hash = sha256 ($contents);
+      }
+
+      $contents = $cipher->encrypt ($contents);
 
       $tmp_hash = sprintf ('$keepass$*%d*%d*%d*%s*%s*%s*%s*%d*%d*%s%s',
             $version,
@@ -7193,12 +7291,12 @@ END_CODE
     }
     if ($version == 2)
     {
-      $expected_bytes =  $salt_arr[6];
+      $expected_bytes = $salt_arr[6];
 
       $contents_hash = $salt_arr[7];
       $contents_hash = pack ("H*", $contents_hash);
 
-      $expected_bytes = $cipher->decrypt($contents_hash);
+      $expected_bytes = $cipher->decrypt ($contents_hash);
 
       $tmp_hash = sprintf ('$keepass$*%d*%d*%d*%s*%s*%s*%s*%s%s',
             $version,
@@ -7291,6 +7389,16 @@ END_CODE
 
     $tmp_hash = sprintf ('$zip2$*%u*%u*%u*%s*%s*%u*%s*%s*$/zip2$', $type, $mode, $magic, $salt_buf, $verify_bytes, $compress_length, $data, substr ($auth, 0, 20));
   }
+  elsif ($mode == 13800)
+  {
+    my $word_buf_unicode = encode ("UTF-16LE", $word_buf);
+
+    my $salt_buf_bin = pack ("H*", $salt_buf);
+
+    $hash_buf = sha256_hex ($word_buf_unicode . $salt_buf_bin);
+
+    $tmp_hash = sprintf ("%s:%s", $hash_buf, $salt_buf);
+  }
 
   return ($tmp_hash);
 }
@@ -8676,7 +8784,7 @@ sub get_random_kerberos5_tgs_salt
   my $realm = "realm";
   my $spn   = "test/spn";
 
-  my $salt_buf = $user . "\$" . $realm . "\$" . $spn . "\$" . unpack ("H*",$nonce);
+  my $salt_buf = $user . "\$" . $realm . "\$" . $spn . "\$" . unpack ("H*", $nonce);
 
   return $salt_buf;
 }