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<?xml version="1.0" encoding="utf-8"?>
<refentry xml:id="function.sodium-crypto-core-ristretto255-scalar-random" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>sodium_crypto_core_ristretto255_scalar_random</refname>
<refpurpose>Generates a random key</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>string</type><methodname>sodium_crypto_core_ristretto255_scalar_random</methodname>
<void/>
</methodsynopsis>
<para>
Generates a random key.
Available as of libsodium 1.0.18.
</para>
&warn.undocumented.func;
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
&no.function.parameters;
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns a 32-byte random &string;.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>sodium_crypto_core_ristretto255_scalar_random</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
$foo = sodium_crypto_core_ristretto255_scalar_random();
$bar = sodium_crypto_core_ristretto255_scalar_random();
$value = sodium_crypto_core_ristretto255_scalar_add($foo, $bar);
$value = sodium_crypto_core_ristretto255_scalar_sub($value, $bar);
var_dump(hash_equals($foo, $value));
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
bool(true)
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>sodium_crypto_core_ristretto255_scalar_add</function></member>
<member><function>sodium_crypto_core_ristretto255_scalar_sub</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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