AES II - Finite Field ( Galois Field ) Arithmetic for Advanced Encryption Standard - CSE4003

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In this lecture we will be looking at finite field (Galois Field) arithmetic in GF(2^3) and GF(2^8). We will performing polynomial addition, mulitplication and division in GF(2^3) and GF(2^8). These operations will help us understand Advance Encryption Standard.
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How did you consider p(x) sir? (In 13:10 of video)

NathaShiv
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How can we choose the irreducible polynomial sir?

jahnavimandla
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GF(256) 2nd element should be but you said .... I think this is 3rd element.... What do u say?

mdpaponmiah
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How did you consider p(x) sir? (In 13:10 of video)

abhishekkanojia
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How can we choose the irreducible polynomial sir?

dhafert.shihab
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How can we choose the irreducible polynomial sir?

aruledwin