problem 1:

Illustrate out the term encryption and name some classical encryption methods.

problem 2:

prepare down about the symmetric cipher model.

problem 3:

Illustrate out the term substitution techniques.

problem 4:

Critically illustrate out the term DES. Provide ex.

problem 5:

Illustrate out the term RSA algorithm.

problem 6:

Why do we require Authentication in networking environment?

problem 7:

Illustrate out the term Message Authentication Codes.