Which of the following type of cryptography is used when both parties use the same key to communicate securely with each other?
Correct Answer: A
Explanation/Reference:
Explanation:
A single secret key is used between entities when using symmetric key cryptography.
Incorrect Answers:
B: Public Key Infrastructure (PKI) is an ISO authentication framework that makes use of public key cryptography and the X.509 standard.
C: Diffie-Hellman is the first asymmetric key agreement algorithm.
D: The Digital Signature Standard (DSS) refers to the U.S. standard that defines the approved algorithms to be used for digital signatures for government authentication activities.
References:
Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, 2013, pp. 782, 812, 833