Question

The __________ cipher is a single-alphabet substitution cipher that is a permutation of the Caesar cipher. All characters are rotated 13 characters through the alphabet.

Answer 1

ROT13 is the correct answer of this question.

Step-by-step explanation:

The ROT13 cipher is a single-alphabet substitution cipher, which is a Caesar cipher permutation. All letters are rotated through the alphabet to 13 characters. ROT13 is a particular case of the Caesar cypher that was created in ancient Rome.

• ROT13 is a direct letter cryptographic hash function, combining a letter in the alphabet with the 13th letter after it.

• ROT13 is used from a casual viewpoint in online forums to cover surprises, punchlines, puzzle solutions and offensive content.