Overview
KB
Technical FAQ
PHP Manual
CSS2 Manual
HTML Manual
JS Guide
JS Reference
PhpDock Manual
Nu-Coder Manual
PhpExpress Manual
PHP Joomla
Development
Learn PHP
 
<sodium_crypto_core_ristretto255_is_valid_pointsodium_crypto_core_ristretto255_scalar_add>
^Sodium FunctionsLast updated: Mon, 26 Oct 2026

sodium_crypto_core_ristretto255_random

(PHP 8 >= 8.1.0)

sodium_crypto_core_ristretto255_random — Generates a random key

Description

function sodium_crypto_core_ristretto255_random(): string

Generates a random key. Available as of libsodium 1.0.18.

Warning

This function is currently not documented; only its argument list is available.

Parameters

This function has no parameters.

Return Values

Returns a 32-byte random string.

Examples

Example #1 sodium_crypto_core_ristretto255_random() example

<?php

$foo = sodium_crypto_core_ristretto255_random();
$bar = sodium_crypto_core_ristretto255_random();

$value = sodium_crypto_core_ristretto255_add($foo, $bar);
$value = sodium_crypto_core_ristretto255_sub($value, $bar);

var_dump(hash_equals($foo, $value));
?>

The above example will output:

bool(true)

See Also


<sodium_crypto_core_ristretto255_is_valid_pointsodium_crypto_core_ristretto255_scalar_add>
^Sodium FunctionsLast updated: Mon, 26 Oct 2026