There are a number of different ways to protect data during transformation, such as substitution, character for character replacement, the spartan scytale, transposition ciphering, rail-fence ciphering, paper and pen ciphering, and finally the most recent algorithmic encryption.

Cryptography has been traced back thousands of years ago. The spartan scytale is a historical method to send a secret messa

The historical methods of encryption are easy to break if an interceptor is given a short period of time. In most cases, they protect the message from wondering eyes. A brief glance at an encrypted message would still be secret. One important element in the encryption process is a secret key. Every method uses a secret key that makes difficult for someone without the key to understand (Beutelspacher, p.14).

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