From 80e445b094bdc1384a9816471724398f440ef1bf Mon Sep 17 00:00:00 2001
From: Derek Jamison <derekj@outlook.com>
Date: Wed, 19 Apr 2023 15:31:49 -0400
Subject: [PATCH] Fix bug + add commented test code.

---
 marauder/scan.ps1 | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/marauder/scan.ps1 b/marauder/scan.ps1
index 720617d..7224867 100644
--- a/marauder/scan.ps1
+++ b/marauder/scan.ps1
@@ -65,6 +65,9 @@ Function Get-Decoded-SSID {
     $result = $result + $dict[$ch - $index]
     $i = $i + 1
     $index = $ch
+    if ($index -ge $cypherLetters.Count) {
+      $index = $index - $cypherLetters.Count
+    }
     $index = $index + (([int][char]$cypherLetters[$index]) * $i)
     $index = $index % $cypherLetters.Count
   }
@@ -97,6 +100,19 @@ Function Get-SSIDS {
     }
 }
 
+## Test that Get-Decoded-SSID can get back original string that was passed to Get-Encoded-SSID
+# For($i = 0; $i -lt 100000; ++$i) {
+#   $r = (""+(Get-Random -Maximum 1000000 -Minimum 0)+(Get-Random -Maximum 1000000 -Minimum 0))
+#   $r = $r.Substring((Get-Random) % $r.Length)
+#   $p = (""+(Get-Random 9))
+#   $d = Get-Decoded-SSID (Get-Encoded-SSID -Message $r -Prefix $p)
+#   if ($r -ne $d) {
+#     Write-Host ("Fail. r:"+$r+" p:"+$p+" d:"+$d)
+#   } else {
+# #    Write-Host ("Pass. r:"+$r+" p:"+$p+" d:"+$d)
+#   }
+# }
+
 while ($true) {
   Show-Available-Networks-UI
   For( $i = 0; $i -le 6; ++$i ) {