Using a cipher is the definition of encryption: In cryptography, ciphertext or cyphertext is the result of encryption performed on plaintext using an algorithm

Using a cipher is the definition of encryption: In cryptography, ciphertext or cyphertext is the result of encryption performed on plaintext using an algorithm, called a cipher. https://en.m.wikipedia.org/wiki/Ciphertext https://en.m.wikipedia.org/wiki/Ciphertext