Type: Transposition
> Suppose the rod allows one to write
four letters around in a circle and five
letters down the side of it. To decrypt,
all one must do is wrap the leather
strip around the rod and read across.
(Note: make a table and insert there
your input, table is based on
diameter)
Example message:
Plaintext: Hey i was doing just fine
before i met you
Diameter: 7
H|E|Y| I|W|A|S
D|O| I|N|G|J|U
S|T|F| I|N|E|B
E|F|O|R|E| I|M
E|T|Y|O|U|
Ciphertext: HDSEEEOTFTYIFOY
INIROWGNEUAJEISUBM
