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Could someone explain the difference between the tags sha-3 and keccak with one example?

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    $\begingroup$ Keccak is pre-SHA-3 and it was evolving during the process and finalized by NIST 1 and 2 $\endgroup$
    – kelalaka
    Jun 15 '21 at 18:26
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Keccak is an algorithm (a public permutation). SHA-3 is a set of standardizations for Keccak parameters and determines how it can form a sponge function which makes the core of SHA-3.

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    $\begingroup$ Agreed. I would probably still tag something keccak and sponge when talking about a specific construct that uses the Keccak sponge and is not SHA-3-224/256/384/512. $\endgroup$
    – Maarten Bodewes Mod
    Jun 15 '21 at 22:39

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