2.3 encryption

Question 1

need for encryption when transmitting data

Answer 1

• turning data into unreadable form
• so doesnt make sense to hackers and other attackers

Question 2

what is plaintext

Answer 2

original data being sent

Question 3

what is ciphertext

Answer 3

text produced after encryption

Question 4

how does symmetric encryption work

Answer 4

• use encryption key for encryption process
• same key used for encrypting/decrypting data

Question 5

how does asymmetric encryption work

Answer 5

• use public/private key
• public avail to evr, priv only avail to user
• receiver have private key, send public key to sender
• sender encrypt msg w public key, data decrypted w priv