2.3 - Encryption Flashcards
What does encryption help with? [1]
Reducing the risk of the data getting intercepted by hackers
What does encryption do? [2]
Alters data into a form that is unreadable by anybody for whom the data is not intended
What is plaintext? [1]
the original data/message
What is ciphertext? [1]
the encrypted message
What is symmetric encryption? [2]
it uses an encryption key; the same key is used to encrypt and decrypt the encoded message
What is asymmetric encryption? [2]
developed to overcome security problems in symmetric encryption
What does asymmetrical encryption use? [2]
A public key and a private key
What is the main drawback of symmetric encryption? [1]
keeping the encryption key a secret - since it can be intercepted when being sent over email or text so SECURITY.
What is the public key? [1]
made available to everybody
What is the private key? [1]
Only known to the computer user
