Caesar cipher is a very simple encryption method and is easily cracked if one studies the frequency of repeating letters. To improve the strength of the encryption method a more complex key could ...

A simple method of encryption requires the use of a technique known as the Caesar cipher. The cipher works by giving a number value to a key. Each plaintext letter is replaced by a new letter ...

Future Generation Computer Systems, Vol. 74, Issue. , p. 444. Originally published in the New Mathematical Library almost half a century ago, this charming book explains how to solve cryptograms based ...