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How to caculate the inverse of function $x^3$ in $\mathbb{F}_{2^n}$

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1 answer
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How to calculate the inversion fuction S:S:\mathbb{F}_{2^n}\rightarrow \mathbb{F}_{2^n},with S(x)=x^{-1}

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About two sequence conversion methods in NIST 800-90B

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Is what I have come up with terrible? Or is it ok-ish?

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2 answers
73 views

Skipping first outputs of the stream cipher

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19 views

Is there a discrete log challenge?

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2 answers
98 views

Elliptic Curve - distinguish between two points after multiplication

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Bilinear map and homomorphic inner product

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How is there a $\frac{1}{poly(n)}$ bias in a multiple-round coin tossing protocol with commitment?

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3 answers
768 views

Is If/else vulnerable to timing side-channel attacks?

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52 views

Ensure that ciphertext satisfies a fixed secret polynomial

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Generalizing AES s-box circular shifts in bigger GF

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Differential Privacy: Gaussian Mechanism when $\epsilon >1$, Laplace Mechanism when $\epsilon = 0$

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Secuirty definion of a ad hoc multi-input functional encryption scheme

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