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Enigma racket encoding for @ltw
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| (define (encode reflector rotor-l rotor-m rotor-r letter) | |
| (list-ref alphabet | |
| (rotor-translate-right (rotate rotor-r 1) | |
| (rotor-translate-right rotor-m | |
| (rotor-translate-right rotor-l | |
| (reflect reflector | |
| (rotor-translate-left rotor-l | |
| (rotor-translate-left rotor-m | |
| (rotor-translate-left (rotate rotor-r 1) | |
| (letter-to-index letter)))))))))) |
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