Which of the following is NOT an example of an asymmetric key algorithm?

A.
Elliptic curve cryptosystem (ECC)

B.
Diffie-Hellman

C.
Advanced Encryption Standard (AES)

D.
Merkle-Hellman Knapsack

Explanation:
Advanced Encryption Standard (AES) is a block symmetric cipher that makes use of 128-bit block sizes and
various key lengths.
Incorrect Answers:
A, B, & D: Elliptic curve cryptosystem (ECC), Diffie-Hellman, and Merkle-Hellman Knapsack are asymmetric
key algorithms.

Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, 2013, pp. 811, 815