Essays on Caesar Cipher

Part 1

Cipher Definition Cipher refers to an algorithm that assists in executing encryption or decryption. It allows one to change a plain text to unreadable form or changing unreadable text to readable text by human beings (Stinson 134).

Difference between cipher and code

There are several differences that exist between a cipher and a code. Firstly, codes are easily computable thus are very fast. On the other hand, ciphers take much time to compute or rather they are non-computable hence end up being slower that the codes. Secondly, ciphers depend on a key since they are generated using a given key. However, codes do not ...

Cryptography is an art that is involved in writing and interpreting secret messages. It involves encrypting messages into symbols, numbers, and letters that form a different meaning to conceal the message. In other words, it is the use of codes to conceal a message. In the past, cryptography was very common, especially during epochs of combat where it was deployed to communicate coded messages (Bauer 34). It was an important tool that a particular community would use to conceal messages from their enemies. Today, this mode of communication is rarely used. However, codes are commonly used in technology, especially ...

The History of Cryptology

The concept of "security" covers a wide range of interests of both individuals and entire nations. In present days, a prominent place is given to the issue of information security, the protection of confidential business information from various rival groups. The importance of keeping information in secret was already known since ancient times. With the advent of writing, there was the danger of reading it by undesirable persons. There were three main ways to protect information. One of them is supposed to protect it by forceful methods: The secret information (documents) was protected by the responsible persons. The second ...