From 888dab0e06cbf9a9976669dd4baf548a088c54f3 Mon Sep 17 00:00:00 2001
From: Timo <60073321+FrissBrot@users.noreply.github.com>
Date: Tue, 22 Apr 2025 15:22:52 +0200
Subject: [PATCH] Create generate-key.ps1

---
 arduino/generate-key.ps1 | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 arduino/generate-key.ps1

diff --git a/arduino/generate-key.ps1 b/arduino/generate-key.ps1
new file mode 100644
index 0000000..f927012
--- /dev/null
+++ b/arduino/generate-key.ps1
@@ -0,0 +1,25 @@
+# AES-128: 16 Byte Key
+$keyBytes = New-Object byte[] 16
+[System.Security.Cryptography.RandomNumberGenerator]::Create().GetBytes($keyBytes)
+
+# ───── Arduino Format ─────
+$arduinoFormat = ( $keyBytes | ForEach-Object { "0x{0:X2}" -f $_ } ) -join ", "
+$arduinoLine = "byte aes_key[] = { $arduinoFormat };"
+
+# ───── Python Format ─────
+$pythonFormat = ( $keyBytes | ForEach-Object { "\x{0:X2}" -f $_ } ) -join ""
+$pythonLine = "aes_key = b'" + $pythonFormat + "'"
+
+# ───── Klartext-Hex (ohne 0x oder \x) ─────
+$hexPlain = ($keyBytes | ForEach-Object { "{0:X2}" -f $_ }) -join ""
+$plainLine = "Plain Hex: " + $hexPlain
+
+# ───── Ausgabe ─────
+Write-Host "🔐 AES-128 Schlüssel für Arduino:"
+Write-Host $arduinoLine
+Write-Host ""
+Write-Host "🐍 AES-128 Schlüssel für Python:"
+Write-Host $pythonLine
+Write-Host ""
+Write-Host "🧾 AES-128 Schlüssel im Klartext (Hex):"
+Write-Host $plainLine