C A+ U12

This is a method of Cryptography used in Sparta comprised of a rod and a strip of paper for passing secret messages to generals.

The original readable or viewable message before it is encrypted.

The secret unreadable or unviewable message after cryptography.

This is essential for encrypting and decrypting messages.

One of the more primitive forms of a cipher in which a message is encrypted by shifting each letter to the right in the alphabet by a certain number.

The art of breaking codes is known as ____________.

In this type of cipher, plaintext is shuffled to, jumbled, or moved around to make the ciphertext.

In this type of cipher, the plaintext is replaced. Each letter is swapped out for another letter.

Which of the following is the process of checking the integrity of a file by generating a unique code for the data. It is similar to encrypting without a key.

Cryptography that makes use of the same key for encrypting and decrypting a message or data.