Multiply The Polynomials P1 Xsup5sup Xsup2sup X By P2 Xsup7sup #120
Multiply the polynomials P1 = x<sup>5</sup> +x<sup>2</sup>+ x) by P2 = (x<sup>7</sup> + x<sup>4</sup> +x<sup>3</sup>+x<sup>2</sup> + x) in GF(28) with irreducible polynomial (x<sup>8</sup> + x<sup>4</sup> + x<sup>3</sup> + x + 1). The result is
This multiple choice question (MCQ) is related to the book/course gs gs124 Introduction Cyber Security. It can also be found in gs gs124 Basic Concepts in Number Theory and Finite Fields - Polynomial and Modular Arithmetic - Quiz No.3.
Multiply the polynomials P1 = x5 +x2+ x) by P2 = (x7 + x4 +x3+x2 + x) in GF(28) with irreducible polynomial (x8 + x4 + x3 + x + 1). The result is
x4+ x3+ x+1
x5+ x3+x2+x+1
x5+ x4+ x3+x+1
x5+ x3+x2+x