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Cryptography
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lyrically wicked

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 1 year, 5 months
  • 249 profile views
  • Last seen Feb 13 at 6:33

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Top Posts (24) All Questions Answers | Votes Newest

8 Security difference between $\mathrm{Keccak}(k\mathbin\|x)$ and $\mathrm{Keccak}(x\mathbin\|k)$ Jul 31 '18
6 What is the size of codomain of a function $G(x) = F^A(x) \oplus F^B(x)$, where $F(x) = \text{Keccak-}f[1600](x)$? Jun 14 '18
5 What is the collision resistance of a 2048-bit hash based on SHA-3? Apr 25 '18
4 Is it theoretically possible for the output of SHAKE to be an infinite concatenation of the same 512-bit block? Sep 23 '17
4 Is it reasonable to assume that $\text{Keccak-}f[25n]$ block permutation is defined for any value of $n$? Dec 18 '18
3 What are the values of $w$ such that the corresponding $\text{Keccak-}f[25w]$ function is invertible (bijective)? Feb 1
3 What does the term “nontrivial rotation” mean? Nov 20 '18
3 What is the expected number of different sequences of bits in the collection that contains $2^{800}$ elements? Oct 18 '17
3 What are the consequences if someone finds the accessible 1600-bit block $X$ and $R$-bit block $V$ such that $\text{Keccak-}f[1600](X \oplus V) = X$? May 25 '18
3 Does there exist an “almost-ideal” compression function to compress an arbitrarily long bitstring into a single pseudo-random (unbiased) byte? Jun 6 '18
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