Caesar cipher

What is Caesar cipher?
A Caesar cipher is one of the simplest and most popular encryption techniques.

Named after Julius Caesar, it is one of the oldest types of ciphers and is based on the simplest monoalphabetic cipher. It is considered to be a weak method of cryptography as it is easy to decrypt the message due to its minimal security techniques.

For the same reason, a Caesar cipher is often only used in parts of other complex encryption schemes.

In cryptography, a Caesar cipher is categorized as a substitution cipher in which the alphabet in plain text is shifted down by a fixed number in the alphabet.

Advantages of a Caesar cipher are:

One of the easiest methods to use in cryptography and provides minimal security for the information

Use only a short key in the whole process

One of the best methods when the system can't use complicated coding techniques

Requires few computer resources

Disadvantages of using a Caesar cipher include:

Simple use of the structure

May only provide minimal security for the information

The frequency of the letter pattern provides a great clue in deciphering the entire message

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