Cryptography 1

In cryptography, original message, before being transformed is called?

• Simple text

• Plain text

• Cipher text

• Filled text

An encryption algorithm transforms plain text into_________

• Cipher text

• Simple text

• Empty text

• Plain text

_______ is the science and art of transforming messages to make them secure and immune to attacks.

• Cryptography

• Cryptoanalysis

• neither Cryptography nor Cryptoanalysis

• either Cryptography or Cryptoanalysis

A ______ algorithm transforms cipher text to plain text.

• Encryption

• Decryption

What is encryption?

• When you put data into code making it difficult to read or understand

• A secret or disguised way of writing; a code.

• A formal language designed to communicate instructions to a machine

• What is put in, taken in, or operated on by any process or system.

Cipher text is _________________________.

• a person who makes up secret codes

• a lock that can be used to lock a message in a lock box

• any puzzle, such as a crossword or Sudoku puzzle

• Used to scramble text so that it can be passed in secret

The process of converting a ciphertext into plaintext.

• encryption

• decryption

• Plain text

• Cryptography

What does the word cryptography mean?

• The art of cooking or baking secret codes

• The art of drawing or painting secret codes

• The art of writing or solving secret codes

• The art of throwing or catching secret codes

(a)  

Which country do hieroglyphics come from?

• Greece

• Spain

• Egypt

• South Africa