What is a cipher? To put it simply, a cipher is the method in which data is converted from plaintext to ciphertext format. In cryptography, there are many different methods. Each method is known as a cipher suite and has its own advantages and disadvantages. In this section, we'll discuss the different types of ciphers used to encode and decode messages.
Types of cipher
Substitution cipher
In a substitution cipher, also known as a Caesar Cipher, the secret key is the replacement of certain or all of the plaintext with another character, thus creating the ciphertext. For example, let's say you are writing the sentence, "the quick brown fox jumps over the lazy dog."
We, as humans, will see it in its natural...