Hebern cipher machine with one rotor challenge

Crypto Homepage --> Cipher Machines Challenge

The Hebern machine is the first cipher device to introduce an electrical circuitry and rotors. Unfortunately, its inventor, Edward Hebern, would never be rewarded to this in his lifetime.

The key to the Hebern design was a disk with electrical contacts on either side, known today as a rotor. Linking the contacts on either side of the rotor were wires, with each letter on one side being wired to another on the far side in a random fashion. The wiring encoded a single substitution alphabet.

Note: I wrote a web page regarding Hebern's cipher machines. I describe their history, their functioning and even their cryptanalysis (link).

Problems (notes)

1st Problem (very easy)

G. Lasry 26/06/20

Rafael Pascual 21/09/20

García Larragan 08/01/22

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2nd Problem (easy)

G. Lasry 26/06/20

Rafael Pascual 11/02/21

García Larragan 09/01/22

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3rd Problem (easy)

G. Lasry 26/06/20

Rafael Pascual 12/02/21

García Larragan 17/01/22

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4th Problem (easy)

G. Lasry 29/06/20

Rafael Pascual 12/02/21

García Larragan 18/01/22

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5th Problem (easy)

G. Lasry 27/06/20

Rafael Pascual 12/02/21

García Larragan 19/01/22

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6th Problem (medium)

G. Lasry 29/06/20

Rafael Pascual 12/02/21

García Larragan 20/01/22

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7th Problem (medium)

G. Lasry 26/06/20

Rafael Pascual 12/02/21

García Larragan 27/01/22

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8th Problem (medium)

G. Lasry 29/06/20

Rafael Pascual 13/02/21

García Larragan 04/02/22

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9th Problem (medium)

G. Lasry 29/06/20

Rafael Pascual 16/02/21

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10th Problem (medium)

Rafael Pascual 22/02/21

García Larragan 04/02/22

G. Lasry 14/06/25

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11th Problem (medium)

García Larragan 10/02/22

Rafael Pascual 25/03/22

G. Lasry 16/06/25

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12th Problem (medium)

Rafael Pascual 14/02/21

García Larragan 01/02/22

G. Lasry 16/06/25

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13th Problem (medium)

Rafael Pascual 17/02/21

G. Lasry 16/06/25

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14th Problem (difficult)

Rafael Pascual 26/03/22

G. Lasry 16/06/25

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15th Problem (hard)

Rafael Pascual 06/10/23

G. Lasry 18/06/25

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16th Problem (hard)

Rafael Pascual 01/07/23

G. Lasry 17/06/25

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