DES 205 – Message Integrity Cryptographic Functions

Course Overview

This course explains how encrypting and signing a message works, how message authentication codes work, and why a digital signature is superior to a cryptographic hash for validating software integrity.

Topics include:

• Message integrity function is its value
• The difference between a message authentication code and a digital signature
• How a digital signature works
• Encrypting and signing messages
• Message authentication codes
• Digital signature vs. a cryptographic hash for validating software integrity

This course aligns with the National Initiative for Cybersecurity Education (NICE) requirement(s):

• K0018: Knowledge of encryption algorithms
• K0019: Knowledge of cryptography and cryptographic key management concepts