Engineering, 21.02.2020 20:38, alejandra340
The InvMixColumns transformation of AES consists of a matrix–vector multiplication in the field GF(2^8) with irreducible polynomial P(x) = x^8+x^4+x^3+x+1 as well during the decryption of AES. Let b = (b7x7+. . .+b0) be one of the (four) input bytes to the vector– matrix multiplication. Each input byte is multiplied with the constants 0E, 0B, 0D and 09. Your task is to provide exact equations for computing those three constant multiplications after reductions. We denote the result by d = (d7x7+. . .+d0).
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Engineering, 04.07.2019 19:10, ultimateapes
When subject to a steady load (within elastic range) over a long period of time, what is the major difference in material behavoir between steel and plastic?
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Engineering, 04.07.2019 19:10, shayshay7874
An electric kettle is made out of stainless steel, weighs two pounds (when empty) and is equipped with a heating element that consumes 2 kw of electricity. assuming that the water and the kettle are at the same uniform temperature at any moment of time, calculate the shortest possible time to bring 2 quarts of water from room temperature to the onset of boiling
Answers: 2
The InvMixColumns transformation of AES consists of a matrix–vector multiplication in the field GF(2...
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