<?php
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    2 => 'Calcula un digest',
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?>
<div id="function.openssl-digest" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">openssl_digest</h1>
  <p class="verinfo">(PHP 5 &gt;= 5.3.0, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">openssl_digest</span> &mdash; <span class="dc-title">Calcula un digest</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.openssl-digest-description">
  <h3 class="title">Descripción</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>openssl_digest</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$data</code></span>, <span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$digest_algo</code></span>, <span class="methodparam"><span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span> <code class="parameter">$binary</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong></span></span>): <span class="type"><span class="type"><a href="language.types.string.php" class="type string">string</a></span>|<span class="type"><a href="language.types.singleton.php" class="type false">false</a></span></span></div>

  <p class="para rdfs-comment">
   Calcula un hash digest para los datos de entrada utilizando el método proporcionado.
   Devuelve un string bruto o hexadecimal.
  </p>

 </div>


 <div class="refsect1 parameters" id="refsect1-function.openssl-digest-parameters">
  <h3 class="title">Parámetros</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">data</code></dt>
     <dd>
      <p class="para">
       Los datos.
      </p>
     </dd>
    
    
     <dt><code class="parameter">digest_algo</code></dt>
     <dd>
      <p class="para">
       El método digest a utilizar, por ejemplo &quot;SHA256&quot;. Consulte
       <span class="function"><a href="function.openssl-get-md-methods.php" class="function">openssl_get_md_methods()</a></span> para obtener la lista de
       métodos de digest disponibles.
      </p>
     </dd>
    
    
     <dt><code class="parameter">binary</code></dt>
     <dd>
      <p class="para">
       Pase a <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong> y se devolverá un dato bruto, de lo contrario el valor devuelto
       será hexadecimal.
      </p>
     </dd>
    
   </dl>
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.openssl-digest-returnvalues">
  <h3 class="title">Valores devueltos</h3>
  <p class="para">
   Devuelve el valor en caso de éxito  o <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> si ocurre un error.
  </p>
 </div>


 <div class="refsect1 errors" id="refsect1-function.openssl-digest-errors">
  <h3 class="title">Errores/Excepciones</h3>
  <p class="para">
   Emite un error de nivel <strong><code><a href="errorfunc.constants.php#constant.e-warning">E_WARNING</a></code></strong> si se pasa un algoritmo desconocido
   al argumento <code class="parameter">digest_algo</code>.
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.openssl-digest-seealso">
  <h3 class="title">Ver también</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="function"><a href="function.openssl-get-md-methods.php" class="function" rel="rdfs-seeAlso">openssl_get_md_methods()</a> - Obtiene la lista de m&eacute;todos digest disponibles</span></li>
   </ul>
  </p>
 </div>


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