Worksheetscaesar cipher
Total questions: 12
Worksheet time: 37mins
Convert "GJGB" cipher-text back into plain text using the key: 1
FIFA
HKHC
EHEZ
JMER
A cipher is _________________________.
a person who makes up secret codes
an algorithm that is used to scramble text so that it can be passed in secret
a lock that can be used to lock a message in a lock box
any puzzle, such as a crossword or Sudoku puzzle
Encrypt the word alphabet using a Caesar cipher with a shift of 3
DVSDULQV
DOOFOHDU
DOSKDEHW
DORQHBHV
An encryption algorithm transforms plain text into:
Cipher text
Simple Text
Empty Text
Plain Text
A(n) ______ algorithm transforms cipher text to plain text.
Encryption
Decryption
The _______ is a number or a set of numbers on which the cipher operates.
secret
cipher
key
none of the mentioned
The process of converting a ciphertext into plaintext.
encryption
decryption
plaintext
cryptography
What is encryption?
Building tombs
Protecting data by scrambling it
Unscrambling data to read it
Exploring church basements
What do you call the algorithm used to encrypt data?
Flux capacitor
Oscillation overthruster
Cipher
Transmogrifier
What do we call scrambled, encrypted data?
Garbage
Ciphertext
Plaintext
Gibberish
Which protocol should you use if shopping online?
FTP
SMTP
HTTP
HTTPS
Which of these do you need to keep secret?
The cipher algorithm
Your public encryption key
Your private decryption key
Your MAC address
