Section 2.9 Non-Repudiation

Question 1

Non-Repudiation

Section 2: Fundamentals fo security

Answer 1

Providing undeinable proof in digital transactions. Entities involved in digital communication cannot deny their participation or the authentcity of their actions.

Question 2

Digital Signatures

Section 2: Fundamentals fo security

Answer 2

Unique to each user who is operating within the digital domain

Question 3

Digital Signature creation

Section 2: Fundamentals fo security

Answer 3

1. Hashing: The original data is processed to create a unique fixed-size hash value.
2. Encrypting the Hash: This hash value is encrypted using the sender’s private key.
3. Creating the Digital Signature: The encrypted hash becomes the digital signature, which is then attached to the original data.

Question 4

3 main reasons

Why is Non-Repudiation important

Section 2: Fundamentals fo security

Answer 4

1. To confirm the authenticity of digital transactions
2. Ensure integrity of critical communications
3. To provide accountability in digital processes