MICROPROCESSOR AND MICROCONTROLLER

Detailed explanation-1: -Note that the Caesar cipher is monoalphabetic, so the same plaintext letters are encrypted as the same letters. Like, “HELLO” has “L", encrypted by “A". The encrypted message of this plain text is “WTAAD". We apply decryption formulas by character, based on alphabetical order.

Detailed explanation-2: -The Caesar cipher is named after Julius Caesar, who, according to Suetonius, used it with a shift of three (A becoming D when encrypting, and D becoming A when decrypting) to protect messages of military significance.

Detailed explanation-3: -What is a Triliteral cipher? (Definition) A triliteral cipher is, as its name suggests, a cipher that uses 3 letters (it is also called ternary, or trifid, for 3 elements). It is a cipher by substitution, a plain letter being replaced by a triplet of 3 letters.