Knowledge check

Choose the best response for each of the questions below.

Check your knowledge

How many keys are required when using symmetric encryption?

Three.

One.

Two.

When using asymmetric encryption, which key shouldn't be shared?

Private key.

Public key.

Key pair.

What is a hashing function?

A hashing function is an algorithm that creates a new ciphertext message from the plaintext.

A hashing function is an algorithm that's used to decrypt ciphertext from the sender.

A hashing function is an algorithm that creates a fixed-length hexadecimal value of the plaintext.

You must answer all questions before checking your work.