FUNDAMENTALS OF CYBERSECURITY

Question 1

EXPLAIN HOW DIGITAL SIGNATURE WORKS

Answer 1

IT IS CREATED BY FIRST HASHING A MESSAGE OR COMMUNICATION AND ENCRYPTING IT HASH DIGEST WITH THE USER’S PRIVATE KEY USING ASYMETRIC ENCRYPTION

Question 2

WHY NON-REPUDIATION IS IMPORTANT?

Answer 2

1 TO CONFIRM THE AUTHENTICITY OF DIGITAL TRANSACTIONS
2 ENSURING THE INTEGRITY OF CRITICAL COMMUNICATIONS
3 PROVIDING ACCOUNTABILITY

NON REPUDIATION -> DIGITAL SIGNATURE