W5L3 - Message Digest

Question 1

Collison Attack

Answer 1

An attack on cryptographic hash trying to find two inputs producing the same output

Question 2

Collison Resistance

Answer 2

The number of evaluations of a hash function on a random input that finds two matching outputs

Question 3

One Way Hash

Answer 3

Map an arbitrary length of data to the data of a fixed size

eg. 1 = SAGOAWU8439G8934UGH

Question 4

MAC

Answer 4

Message Authentication Code

Question 5

What is Message Authentication Code (MAC)

Answer 5

A secret key shared between two users used to authenticate a messages

Question 6

An attack on cryptographic hash trying to find two inputs producing the same output

Answer 6

Collison Attack

Question 7

The number of evaluations of a hash function on a random input that finds two matching outputs

Answer 7

Collison Resistance

Question 8

Map an arbitrary length of data to the data of a fixed size

eg. 1 = SAGOAWU8439G8934UGH

Answer 8

One Way Hash

Question 9

A secret key shared between two users used to authenticate a messages

Answer 9

What is Message Authentication Code (MAC)