Move into secret_ssid + README file.

marauder/secret_ssid/encode.ps1

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+# https://www.github.com/jamisonderek/flipper-zero-tutorials
+#
+# Pass short 'secret' messages using SSIDs!
+# For example, burner phone number or YouTube link.
+#
+# Who you gonna call? "5552368" is: AL6fvOPr, BOI5O5Ag, CRU3Cjn7 or DUgPtAbN 
+#
+# In PowerShell script, run the ./encode.ps1.
+# - Enter the message to encode
+# - It will display 8 different SSID values that you can use.
+#
+# On your Flipper Zero, start Marauder:
+#  - Clear List, SSID.
+#  - SSID, add name.
+#  - Enter the SSID name after the "ssid -a -n " prompt.  (For example:  AL6fvOPr)
+#  - do List, SSID.  It should show you the SSID that you added.
+#  - Beacon Spam, SSID List.
+#
+# On the PC, Open a PowerShell window and run ./scan.ps1
+
+# This is the list of allowed characters in the message.
+$dict = "0123456789ABCDEF-"
+
+# This is the list of allowed characters in the SSID.
+$cypherLetters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789".ToCharArray()
+
+Function Get-Encoded-SSID {
+  Param(
+    [Parameter(Mandatory=$true)]
+    [String]$Message,
+    [Parameter(Mandatory=$false)]
+    [String]$Prefix="0"
+  )
+  $letters = ($Prefix + $Message).ToCharArray()
+  $index = 0
+  $i = 1
+  $result = ""
+  foreach($letter in $letters) {
+    $ch = $dict.IndexOf($letter)
+    if ($ch -eq -1) {
+      Write-Host "Invalid character: $letter"
+      return
+    }
+Write-Host "ch is $ch"
+    $index = $index + $ch
+Write-Host "index is $index"
+    if ($index -ge $cypherLetters.Count) {
+      $index = $index - $cypherLetters.Count
+    }
+    $result = $result + $cypherLetters[$index]
+Write-Host "Result is $result"
+    $i = $i + 1
+Write-Host "i is $i with index at $index"
+    $index = $index + (([int][char]$cypherLetters[$index]) * $i)
+Write-Host "index is $index"
+    $index = $index % $cypherLetters.Count
+Write-Host "index is $index"
+  }
+  return $result
+}
+
+$message = Read-Host "Enter the message to encode"
+$hex = [System.BitConverter]::ToString([System.Text.Encoding]::ASCII.GetBytes($message)).Replace("-", "")
+if ($message -cmatch "[^0-9A-F-]") {
+  Write-Host "Using Hex: $hex"
+  $message = $hex
+}
+for ($i = 1; $i -le 8; $i++) {
+  $ssid = Get-Encoded-SSID -Message $message -Prefix $i
+  Write-Host ("SSID " + $i +": $ssid")
+}