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<sodium_crypto_streamsodium_crypto_stream_xchacha20>
^Sodium FunctionsLast updated: Mon, 26 Oct 2026

sodium_crypto_stream_keygen

(PHP 7 >= 7.2.0, PHP 8)

sodium_crypto_stream_keygen — Generate a random sodium_crypto_stream key.

Description

function sodium_crypto_stream_keygen(): string

Generate a key for use with sodium_crypto_stream() and sodium_crypto_stream_xor().

Parameters

This function has no parameters.

Return Values

Encryption key (256-bit).


<sodium_crypto_streamsodium_crypto_stream_xchacha20>
^Sodium FunctionsLast updated: Mon, 26 Oct 2026