Which of the following is NOT an encryption algorithm?
A.
Skipjack
B.
SHA-1
C.
Twofish
D.
DEA
Explanation:
SHA-1 is a hashing algorithm.
Incorrect Answers:
A: Skipjack is an algorithm used for encryption.
C: Twofish is a symmetric block cipher that is used for encryption.
D: DEA is the algorithm that fulfills DES, which provides encryption.Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, 2013, p. 800, 831
https://en.wikipedia.org/wiki/Skipjack_(cipher)
Conrad, Eric, Seth Misenar, Joshua Feldman, CISSP Study Guide, 2nd Edition, Syngress, Waltham, 2012, p.
236