caesur cipher

what is cryptography?

• writing codes

• solving codes

• using numbers to solve

Who create caesar cipher?

• Julius caesure

• Julius caesar

• July caesar

• Julius zainab

what is ciphertext?

• Describe the plain language

• Ciphertext is the same as plain text

• The encrypted message

• All of the above

what is the key?

• A letter which represent the number of place for the shift.

• The ciphertext

• The plain text

Cipher text is not very secure. Is this true or false?

• True

• False

What does "CAESAR" become with a shift of F.

• hjfxnfw

• hslteyw

• htuvsw

• htdbndw

What key do we need to make “CAESAR” become “MKOCKB”?

• The key is k

• The key is l

• The key is r

How can we find the decryption key from the encryption key?

• The encryption and decryption keys occur in pairs

• Not sure

• you could work backwords