"The Code Book by Simon Singh"

By reading the book "The Code Book" by Simon Singh, I have learned a lot about codes, and how people have hidden messages. This book talks about: the history codes, how the codes were made and broken, and the many types of codes there are. "The Code Book" explains the difference between cryptography and cryptology. I have also learned many terms that are associated with codes and code breaking.
Cryptography has been used as early as the Greek Empire. The main difference between then and now was the cipher or method used to code or hide information. Ancient people used concealment methods a…