T52a/b 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.

Reference: Crypto Museum - T-52 Geheimschreiber

Problems (notes)

1st Problem
(very easy)
G. Lasry
28/07/18
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2nd Problem
(difficult)
G. Lasry
28/07/18
. . . . . . . . . . .
3rd Problem
(difficult)
G. Lasry
28/07/18
. . . . . . . . . . .
4th Problem
(difficult)
G. Lasry
28/07/18
. . . . . . . . . . .
5th Problem
(difficult)
G. Lasry
28/07/18
. . . . . . . . . . .
6th Problem
(Hard)
G. Lasry
28/07/18
. . . . . . . . . . .
7th Problem
(very hard)
G. Lasry
28/07/18
. . . . . . . . . . .
8th Problem
(very hard)
G. Lasry
27/12/18
. . . . . . . . . . .
9th Problem
(very hard)
G. Lasry
24/12/18
. . . . . . . . . . .
10th Problem
(hard)
G. Lasry
24/12/18
. . . . . . . . . . .
11th Problem
(hard)
G. Lasry
05/01/19
. . . . . . . . . . .