(a) What is cryptography? Explain the working principle of RSA algorithm. (b) Explain the concept of IPv6 addressing scheme and its advantages over…

(a) What is cryptography? Explain the working principle of RSA algorithm.

(b) Explain the concept of IPv6 addressing scheme and its advantages over IPv4.

(c) What is zero-day attack in cyber security? Draw a diagram to provide an illustration of the window of vulnerability for zero-day attacks.

(d) What is a one-way hash function? Briefly explain how they are used in a digital signature scheme in the area of computer security.