We consider a DHKE protocol over a Galois fields GF(2^m). Up to now, we have been using groups but it is possible (and simple) to use GF for DHKE. Here, the generator is a polynomial (denoted as g(x)) and we have an irreducible polynomial instead of our public prime p (denoted as p(x)). (a) In our example here, all arithmetic is done in GF(2^5) with p(x) = x^5 +x^2 +1 as an irreducible field polynomial. (b) The primitive element for the Diffie–Hellman scheme is g(x) = x^2. The private keys are a = 3 and b = 12. What is the session shared key kAB?

Which of these is most responsible for differences between the twentieth century to the twenty-first century?

Which syntax error in programming is unlikely to be highlighted by a compiler or an interpreter? a variable name misspelling a missing space a comma in place of a period a missing closing quotation mark

The idea that, for each pair of devices v and w, there’s a strict dichotomy between being “in range” or “out of range” is a simplified abstraction. more accurately, there’s a power decay function f (·) that specifies, for a pair of devices at distance δ, the signal strength f(δ) that they’ll be able to achieve on their wireless connection. (we’ll assume that f (δ) decreases with increasing δ.) we might want to build this into our notion of back-up sets as follows: among the k devices in the back-up set of v, there should be at least one that can be reached with very high signal strength, at least one other that can be reached with moderately high signal strength, and so forth. more concretely, we have values p1 ≥ p2 ≥ . . ≥ pk, so that if the back-up set for v consists of devices at distances d1≤d2≤≤dk,thenweshouldhavef(dj)≥pj foreachj. give an algorithm that determines whether it is possible to choose a back-up set for each device subject to this more detailed condition, still requiring that no device should appear in the back-up set of more than b other devices. again, the algorithm should output the back-up sets themselves, provided they can be found.\