New Perspectives on Computer
Concepts 2018 - Module 7 Section A
encryption - correct answer transforms a message or data file in such a way that its contents are
hidden from unauthorized readers
plaintext - correct answer An original message or file that has not yet been encrypted
ciphertext - correct answer An encrypted message or file
decryption - correct answer converting ciphertext into plaintext
cryptographic algorithm - correct answer a procedure for encryption or decryption
cryptographic key - correct answer a word, number, or phrase that must be known to encrypt or
decrypt data
Advanced Encryption Standard (AES) - correct answer the encryption standard currently used
worldwide
user authentication - correct answer any technique used to verify or confirm a peron's identity
two-factor authentication - correct answer increases security by verifying identity based on two
components
strong password - correct answer difficult to hack
