Question

Use the 3-column transposition to generate the ciphertext from the plaintext “YOU MAY NOT”

Answer 1

Ciphertext is the result of encryption performed on plaintext using an algorithm known as a cipher. It is mainly encoded information that is impossible to be read by a human or computer without using the decoding key.  

xxxxxxxx for xxxx xxxxx xxxx the xxy is " xxx". 
xx xxxxxxxxxx order xxxxxxxx will xx  " xxx"  columnar xx
xxxxxxxxxxxxx  is: 

x x x Y x U
x x Y N x T

xxx xxxxxxy xx column xxxxx according xx xxx xxxxxxxxxxx order.
xx cipher xxxx xxxx xx OAOUYTYMN.