diff --git a/src/authur1.py b/src/authur1.py
new file mode 100755
index 0000000..39296bc
--- /dev/null
+++ b/src/authur1.py
@@ -0,0 +1,31 @@
+#!/usr/bin/env python3
+"""
+A custom authentication hash function aswell as an automated extension attack for it.
+
+Since this (auth) hash did not have a name before, I gave it the name 'authur1'
+
+@author Christoph J. Scherr <software@cscherr.de>
+@license MIT
+@source: https://git.cscherr.de/PlexSheep/python-dhbw/src/branch/master/src/authur1.py
+"""
+import math
+import argparse
+
+DEFINED_INITIAL = bytearray(bytes([0x52, 0x4f, 0x46, 0x4c]))
+
+def Q(input: bytearray) -> bytearray:
+    assert len(input) == 4 # needs to be 32 bit
+
+
+    return input
+
+def H(input: bytearray) -> bytearray:
+
+
+    return input
+
+def main():
+    pass
+
+if __name__ == "__main__":
+    main()