Extendable-output function: Difference between revisions

Revision as of 22:30, 22 June 2023

Revision as of 22:33, 22 June 2023

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{{in use}}

'''Extendable-output function''' ('''XOF''') is an extension{{sfn|Peyrin|Wang|2020|p=7}} of the [[cryptographic hash]] that allows its output to be arbitrarily long. In particular, the nature of the [[sponge construction]] makes any [[sponge hash]] a natural XOF (the regular hash functions with a fixed-size result are obtained from a sponge mechanism by stopping the squeezing phase after obtaining the fixed number of bits).{{sfn | Mittelbach | Fischlin | 2021 | p=526}}