KERALA UNIVERSITY Class 8 cryptography and networks security Question Paper 2021

Practice authentic previous year questions for better exam preparation.

Sample Questions

Explain the difference between a unconditionally secure cipher and computationally secure cipher.
Explain the parameters and design choices that determine the actual algorithm of Fiestel cipher.
What is the difference between confusion and diffusion?
Prove that $[(\mathrm{a} \bmod \mathrm{n})-(\mathrm{b} \operatorname{modn})] \bmod \mathrm{n}=(\mathrm{a}-\mathrm{b}) \bmod \mathrm{n}$.
What is a trapdoor one way function?