Question: Intro to Cryptography Please show the steps clearly. 2. Compute the inverse of the element of F256 corresponding to the bit string 00001011 (i.e., corresponding

Intro to Cryptography

Intro to Cryptography Please show the steps clearly. 2. Compute the inverse

Please show the steps clearly.

2. Compute the inverse of the element of F256 corresponding to the bit string 00001011 (i.e., corresponding to r42+1) in F256, as used in AES. (So the irreducible polynomial that we use to define F256 is 4+r3+x+1.) Note that the most obvious approach based on what we have studied is to use the extended Euclidean algorithm

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