T52ca cipher machine challenge

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The T-52 is a cipher machine for teleprinter signals. It was one of the main cipher machines of the German Army during WWII, being used alongside the Enigma and the Lorenz SZ-40.

The T52ca model is more complex than T52a/b one and it has a better security than the T52c.

Reference: Crypto Museum - T-52 Geheimschreiber

Problems (notes)

1st Problem (easy)

G. Lasry 09/03/19

García Larragan 05/07/21

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2nd Problem (difficult)

G. Lasry 09/03/19

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3rd Problem (difficult)

G. Lasry 09/03/19

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4th Problem (difficult)

G. Lasry 11/03/19

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5th Problem (difficult)

G. Lasry 09/03/19

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6th Problem (difficult)

G. Lasry 12/03/19

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