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<sodium_crypto_generichash_initsodium_crypto_generichash_update>
^Sodium FunctionsLast updated: Mon, 26 Oct 2026

sodium_crypto_generichash_keygen

(PHP 7 >= 7.2.0, PHP 8)

sodium_crypto_generichash_keygen — Generate a random generichash key

Description

function sodium_crypto_generichash_keygen(): string

Generate a random key for use with the generichash API.

Parameters

This function has no parameters.

Return Values

A random 256-bit key.


<sodium_crypto_generichash_initsodium_crypto_generichash_update>
^Sodium FunctionsLast updated: Mon, 26 Oct 2026