DOUBLE COLUMNAR TRANSPOSITION
(c) Oberkommando der Wehrmacht 1941
This software implement the paper and pencil cipher of
the Double columnar transposition used in North Africa
by the Wehrmacht in 1941,1942,1943

You can encrypt a text with option 1

- Enter the first key ( only letters from 4 to 255 letters )
- Enter your text ( letters, numbers and symbols +-.? )
- Enter the second key ( only letters from 4 to 255 letters )

You can decrypt a crypted text with option 2

- Enter the second key first
- Enter your crypted text
- Enter then your first key

The output is written in the 'cryptor.clr' file and on the screen.

When you crypt a text with option 1, the encrypted text is written
in the 'cryptor.cry' file
You can decrypt this file with option 3

- Enter the second key
- Enter the first key

The output is written in the 'cryptor.clr' file and on the screen.