NSC INTRODUCTION

The ________is the original message before transformation

• ciphertext

• plaintext

• secret-text

• none of the above

The message after transformation

• secret text

• encrypted text

• cipher text

• all of the above

In symmetric-key cryptography, the key locks and unlocks the box is

• same

• shared

• private

• .public

The keys used in cryptography are

• secret key

• private key

• public key

• .All of them

Cryptography, a word with Greek origins, means

• Corrupting Data

• Secret Writing

• Open Writing

• Closed Writing

The process of transforming plain text to unreadable text

• Decryption

• Encryption

• Network Security

• Information Hiding

An algorithm used in encryption is referred to as cipher

• True

• False

• May be

• Can't say

A process of making the encrypted text readable again

• Decryption

• Encryption

• Network Security

• Information Hiding

A unique piece of information that is used in encryption

• Cipher

• Plain Text

• Key

• Cipher

In public key cryptography, a key that decrypts the message

• public key

• unique key

• private key

• security key