Question Bank

What is the primary purpose of cryptography?

What is Public Key Infrastructure (PKI)?

What is the main difference between symmetric and asymmetric cryptography?

Decryption converts ciphertext back into plaintext.

What does RSA stand for?

RSA is a symmetric encryption algorithm.

What is a digital signature?

What is the output of a hash function commonly called?

A nonce should be used multiple times to ensure consistent encryption results.

AES is an asymmetric encryption algorithm.

Cryptography combines techniques from mathematics, computer science, and electrical engineering.

Which of the following are main goals of cryptography? (Select all that apply)

In symmetric cryptography, the same key is used for both encryption and decryption.

Which of the following are symmetric encryption algorithms? (Select all that apply)

What is a cryptographic hash function?

Cryptographic algorithms must be kept secret to ensure security.

Which of the following are asymmetric encryption algorithms? (Select all that apply)

Hash functions are reversible, allowing you to retrieve the original input from the hash.

What is a nonce in cryptography?

Encryption converts plaintext into ciphertext.