MOD 6

Question 1

What are good and bad things about Symmetric Encryption?

Answer 1

Good: fast and near-perfect
Bad: Not always random and difficult to share key password

Question 2

How does Symmetric Encryption work?

Answer 2

Two people share one password and encrypt/decrypt using it

Question 3

What encryption is a key pair made using a mathematical process?

Answer 3

Asymmetric Encryption

Question 4

How does Asymmetric Encryption work?

Answer 4

Private and Public key exist, but only one can encrypt and the other key decrypt

Question 5

What is the purpose of asymmetric encryption?

Answer 5

have a shared secret key/password to use with symmetric encryption

Question 6

What is the first public key exchange where private and public keys are sent between sender and recipient?

Answer 6

Diffie-Hellman (D-H) Key Exchange

Question 7

Which public key cryptosystem used the product of large prime numbers to generate encryption and decryption keys?

Answer 7

RSA

Question 8

Is RSA the most-used public key cryptosystem?

Answer 8

Yes

Question 9

In software, RSA can be ______ times slower than DES

Answer 9

100

Question 10

What is used as the U.S. government standard for digital signatures?

Answer 10

ElGamal

Question 11

What works on the basis of elliptic curves?

Answer 11

Elliptic curve cryptography (ECC)

Question 12

What advantages does ECC have over RSA?

Answer 12

requires a smaller key size

Question 13

What is a term used by the NSA for vunerabilites they can exploit? (NObody but US)

Answer 13

NOBUS