Questions

Now it's time to check your knowledge. Select the best response, then check the answers in the Assessment section at the end of the book:

1. When generating a hash, we create a message _____, which is used to ensure data integrity.

   a. chain

   b. digest

   c. key

   d. collision

2. During the digital signature process, the message digest is then encrypted using the sender's private key, which then becomes a(n) _____.

   a. key

   b. collision

   c. smart card

   d. HMAC

3. Today, there are billions of devices on the Internet of Things (IoT). The data generated by IoT devices is called _____ data.

   a. big

   b. key

   c. Rivest

   d. collision

4. A hash algorithm should be _____; this means that the algorithm will produce the same hash each and every time the algorithm is run on a given block of data.

   a. ElGamal

   b. round

   c. deterministic

   d. Galois

5. Ronald _____ designed the aptly named message digest algorithm, which had several versions in the early 1990s.

   a. Rivest

   b. Enigma

   c. ElGamal

   d. Rijndael...