Advanced Encryption Standard in Cryptography- Session 2

  
    Exercise
 
    Consider the given two polynomials that are members of GF(256). 
    
    P1 = X7+X5+X3+X2+X+1
    P2 = X + 1
    
    Perform the following operations on the polynomials. Consider the irreducible polynomial p(x) = X8+X4+ X3+X+1
    
    •	Add the two polynomials 
    •	Multiply the two polynomials 
    •	Divide the two polynomials 
    
    Exercise 2
    Consider the two polynomials that are members of GF(256). 
    
    P1 = X6+X5+ X3+X2+X+1
    P2 = X2+X+1
    
    Perform the following operations on the polynomials. Consider the irreducible polynomial p(x) = X8+X4+ X3+X+1
    
    •	Add the two polynomials 
    •	Multiply the two polynomials 
    •	Divide the two polynomials