XYZ is a new cryptographic algorithm based on the Feistel structure, which uses the same algorithm for both encryption and decryption. Which of the following is not a feature of XYZ$?$

Question $6$Answer

a$.$

It is a symmetric key cipher.

b$.$

It creates two keys: one private and the other public.

c$.$

It uses blocks of plaintext as input and produces blocks of ciphertext as output.

d$.$

It rotates two halves of the input data after performing some operations on them