hello there

decipher.py

@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+
+import sys
+from cipher import proc1
+TEST_ID = "Niklaus Wirth"
+TEST_PWD = "Oberon is as simple as possible"
+
+def decipher(l:list[int])->str:
+    values = []
+    for i, c in enumerate(l):
+        w3 = 1
+        w2 = 0 # There is a small off by one :)
+        while (w3 & 255) != c:
+            w3 *= 3
+            while (w3 > 256):
+                w3 -= 257
+            w2 += 1
+        values.append(chr(w2-i))
+    return "".join(values)
+
+def read_database():
+    with open("database.bin", "br") as db:
+        for i in range(40):
+            db.seek(i*16)
+            chunk = db.read(32)
+            try:
+                print(decipher(chunk))
+            except Exception as e:
+                print(e)
+
+
+def test():
+    print(decipher(proc1(TEST_ID)))
+    print(decipher(proc1(TEST_PWD)))
+
+if __name__ == "__main__":
+    read_database()