enigma machine bruteforce

Author: n4t3m

enigma_machine_bruteforce.py

@@ -0,0 +1,21 @@
+import sys
+from enigma import *
+
+text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
+
+def brute_ring_settings(ciphertext):
+    for a in range(1, 26):
+        for b in range(1, 26):
+            for c in range(1, 26):
+                machine = EnigmaMachine.from_key_sheet(
+                   rotors='I II III',
+                   reflector='B',
+                   ring_settings=[a, b, c],
+                   plugboard_settings='AQ BJ')
+                plaintext = machine.process_text(ciphertext)
+                if "ICECTF" in plaintext:
+                    print('[+] Ring settings: {}, {}, {}'.format(a, b, c))
+                    return a, b, c
+    return -1, -1, -1
+
+a, b, c = brute_ring_settings(text)