Information security — Winter 2022

List and explain various types of attacks?

What is Hill Cipher? Generate a Cipher text for plain text “hi” using key “jefh” using hill cipher.

List various mode of cryptographic operation. Explain any one with the help of diagram.

List advantages of asymmetric cryptography over symmetric key cryptography.

Explain encryption and decryption of RSA algorithm

Explain avalanche effect in DES algorithm.

Does DES algorithm Secure? Discuss security of DES.

List the requirements of public key cryptography.

List application of RSA algorithm.

Discuss security of Diffie Hellman Key exchange algorithm with the help of example.

Using diagram explain how RSA algorithm can be used to digitally sign the message.

Compute public key and private key of RSA with p-11, q=17 and e = 7.

Compute Inverse of b=550 mod m=1759 using Euclid algorithm

Explain cryptanalysis attack on cryptographic hash function.

Explain pre-image resistance and second pre-image resistance.

Write a note on birthday attack.

What is collision resistance property of hash function?

Explain a simple hash function and its limitation.

What is block size and message digest size in SHA 512? With the help of diagram explain a round of SHA-512 algorithm

Explain mutual authentication using symmetric key cryptography

Compare authentication and authorization.

Explain Schnorr algorithm for digital signature.

Explain one way authentication using symmetric key cryptography

Compare link encryption and end to end encryption

Explain NIST Digital signature algorithm