<?php
include_once $_SERVER['DOCUMENT_ROOT'] . '/include/shared-manual.inc';
$TOC = array();
$TOC_DEPRECATED = array();
$PARENTS = array();
include_once dirname(__FILE__) ."/toc/class.random-engine-secure.inc";
$setup = array (
  'home' => 
  array (
    0 => 'index.php',
    1 => 'PHP Manual',
  ),
  'head' => 
  array (
    0 => 'UTF-8',
    1 => 'fr',
  ),
  'this' => 
  array (
    0 => 'random-engine-secure.generate.php',
    1 => 'Random\\Engine\\Secure::generate',
    2 => 'G&eacute;n&egrave;re des donn&eacute;es al&eacute;atoires de mani&egrave;re cryptographique s&eacute;curis&eacute;e',
  ),
  'up' => 
  array (
    0 => 'class.random-engine-secure.php',
    1 => 'Random\\Engine\\Secure',
  ),
  'prev' => 
  array (
    0 => 'class.random-engine-secure.php',
    1 => 'Random\\Engine\\Secure',
  ),
  'next' => 
  array (
    0 => 'class.random-engine-mt19937.php',
    1 => 'Random\\Engine\\Mt19937',
  ),
  'alternatives' => 
  array (
  ),
  'source' => 
  array (
    'lang' => 'fr',
    'path' => 'reference/random/random/engine/secure/generate.xml',
  ),
  'history' => 
  array (
  ),
);
$setup["toc"] = $TOC;
$setup["toc_deprecated"] = $TOC_DEPRECATED;
$setup["parents"] = $PARENTS;
manual_setup($setup);

contributors($setup);

?>
<div id="random-engine-secure.generate" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">Random\Engine\Secure::generate</h1>
  <p class="verinfo">(PHP 8 &gt;= 8.2.0)</p><p class="refpurpose"><span class="refname">Random\Engine\Secure::generate</span> &mdash; <span class="dc-title">Génère des données aléatoires de manière cryptographique sécurisée</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-random-engine-secure.generate-description">
  <h3 class="title">Description</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>Random\Engine\Secure::generate</strong></span>(): <span class="type"><a href="language.types.string.php" class="type string">string</a></span></div>

  <p class="para rdfs-comment">
   Renvoie des données aléatoires de manière cryptographique sécurisée.
  </p>

  
<p class="para">
Les sources de hasard par ordre de priorité sont les suivantes :
</p>
<ul class="itemizedlist">
<li class="listitem">
  <p class="para">
   Linux: <a href="http://man7.org/linux/man-pages/man2/getrandom.2.html" class="link external">&raquo;&nbsp;getrandom()</a>, <var class="filename">/dev/urandom</var>
  </p>
</li>
<li class="listitem">
   <p class="para">
   FreeBSD &gt;= 12 (PHP &gt;= 7.3): <a href="http://man7.org/linux/man-pages/man2/getrandom.2.html" class="link external">&raquo;&nbsp;getrandom()</a>, <var class="filename">/dev/urandom</var>
  </p>
 </li>
 <li class="listitem">
  <p class="para">
   Windows (PHP &gt;= 7.2): <a href="https://docs.microsoft.com/en-us/windows/desktop/SecCNG/cng-portal" class="link external">&raquo;&nbsp;CNG-API</a>
  </p>
  <p class="para">
   Windows: <a href="https://msdn.microsoft.com/en-us/library/windows/desktop/aa379942(v=vs.85).aspx" class="link external">&raquo;&nbsp;CryptGenRandom</a>
  </p>
 </li>
 <li class="listitem">
  <p class="para">
   macOS (PHP &gt;= 8.2; &gt;= 8.1.9; &gt;= 8.0.22 si CCRandomGenerateBytes est disponible au moment de la compilation): CCRandomGenerateBytes()
  </p>
  <p class="para">
   macOS (PHP &gt;= 8.1; &gt;= 8.0.2): arc4random_buf(), <var class="filename">/dev/urandom</var>
  </p>
 </li>
 <li class="listitem">
  <p class="para">
   NetBSD &gt;= 7 (PHP &gt;= 7.1; &gt;= 7.0.1): arc4random_buf(), <var class="filename">/dev/urandom</var>
  </p>
 </li>
 <li class="listitem">
  <p class="para">
   OpenBSD &gt;= 5.5 (PHP &gt;= 7.1; &gt;= 7.0.1): arc4random_buf(), <var class="filename">/dev/urandom</var>
  </p>
 </li>
 <li class="listitem">
  <p class="para">
   DragonflyBSD (PHP &gt;= 8.1): <a href="http://man7.org/linux/man-pages/man2/getrandom.2.html" class="link external">&raquo;&nbsp;getrandom()</a>, <var class="filename">/dev/urandom</var>
  </p>
 </li>
 <li class="listitem">
  <p class="para">
   Solaris (PHP &gt;= 8.1): <a href="http://man7.org/linux/man-pages/man2/getrandom.2.html" class="link external">&raquo;&nbsp;getrandom()</a>, <var class="filename">/dev/urandom</var>
  </p>
</li>
<li class="listitem">
    <span class="simpara">
      Toute combinaison d&#039;un système d&#039;exploitation et d&#039;une version de PHP non mentionnée précédemment:
      <var class="filename">/dev/urandom</var>.
    </span>
</li>
<li class="listitem">
    <span class="simpara">
      Si aucune des sources de hasard n&#039;est disponible ou si elles échouent toutes à générer
      de l&#039;aléatoire, une exception de type <span class="classname"><a href="class.random-randomexception.php" class="classname">Random\RandomException</a></span>
      sera levée.
    </span>
</li>
</ul>

 </div>


 <div class="refsect1 parameters" id="refsect1-random-engine-secure.generate-parameters">
  <h3 class="title">Liste de paramètres</h3>
  <p class="para">Cette fonction ne contient aucun paramètre.</p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-random-engine-secure.generate-returnvalues">
  <h3 class="title">Valeurs de retour</h3>
  <p class="para">
   Une chaîne contenant <strong><code><a href="reserved.constants.php#constant.php-int-size">PHP_INT_SIZE</a></code></strong> octets d&#039;aléatoire de manière cryptographique sécurisée.
  </p>
 </div>


 <div class="refsect1 errors" id="refsect1-random-engine-secure.generate-errors">
  <h3 class="title">Erreurs / Exceptions</h3>
  <ul class="itemizedlist">
   
<li class="listitem">
<span class="simpara">
    Si aucune source de données aléatoires n&#039;est trouvée, une
    <span class="classname"><a href="class.random-randomexception.php" class="classname">Random\RandomException</a></span> sera lancée.
</span>
</li>

  </ul>
 </div>



</div><?php manual_footer($setup); ?>