Questions tagged [sha-3-competition]

SHA-3 Competition (2007-2012) was a competition initiated by NIST as a call for a new cryptographic hash algorithm for standardization purposes.

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Preimage resistance of sponge-based hashes and XOFs

In the sponge construction for hash functions, including SHA3 and SHAKE, its used a permutation $$f:\{0,1\}^r\times\{0,1\}^c\to\{0,1\}^r\times\{0,1\}^c\\ \;\quad(R,C)\quad\quad\mapsto\quad\;(R',C')$$ ...
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