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<sodium_crypto_stream_xchacha20sodium_crypto_stream_xchacha20_xor>
^Sodium FunctionsLast updated: Mon, 26 Oct 2026

sodium_crypto_stream_xchacha20_keygen

(PHP 8 >= 8.1.0)

sodium_crypto_stream_xchacha20_keygen — Returns a secure random key

Description

function sodium_crypto_stream_xchacha20_keygen(): string

Returns a secure random key for use with sodium_crypto_stream_xchacha20().

Parameters

This function has no parameters.

Return Values

Returns a 32-byte secure random key for use with sodium_crypto_stream_xchacha20().


<sodium_crypto_stream_xchacha20sodium_crypto_stream_xchacha20_xor>
^Sodium FunctionsLast updated: Mon, 26 Oct 2026