ENIGMA I

CHIFFRIERMASCHINE

WALZEN  ·  ROTORS

UKW
B

GLÜHLAMPENFELD  ·  LAMPS

TASTATUR  ·  KEYBOARD

STECKERBRETT  ·  PLUGBOARD

Tap a socket, then another, to patch a cable · tap a wired socket to remove it

KLARTEXT · INPUT
 
GEHEIMTEXT · OUTPUT
 

A faithful Enigma I (Wehrmacht/Luftwaffe). Encryption is reciprocal — set the same rotors, ring settings, positions and plugboard, then type the ciphertext to decode it. Type on your physical keyboard or tap the keys. Only A–Z are enciphered.