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?>
<div id="function.gnupg-verify" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">gnupg_verify</h1>
  <p class="verinfo">(PECL gnupg &gt;= 0.1)</p><p class="refpurpose"><span class="refname">gnupg_verify</span> &mdash; <span class="dc-title">Verifica un texto firmado</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.gnupg-verify-description">
  <h3 class="title">Descripción</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>gnupg_verify</strong></span>(<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.resource.php" class="type resource">resource</a></span> <code class="parameter">$identifier</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$signed_text</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$signature</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter reference">&$plaintext</code><span class="initializer"> = ?</span></span><br>): <span class="type"><span class="type"><a href="language.types.array.php" class="type array">array</a></span>|<span class="type"><a href="language.types.singleton.php" class="type false">false</a></span></span></div>

  <p class="simpara">
   Verifica el argumento <code class="parameter">signed_text</code> y devuelve las
   informaciones acerca de la firma.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.gnupg-verify-parameters">
  <h3 class="title">Parámetros</h3>
  <dl>
   
    <dt><code class="parameter">identifier</code></dt>
    <dd>
     <p class="para">El identificador gnupg, generado por una llamada
a la función <span class="function"><a href="function.gnupg-init.php" class="function">gnupg_init()</a></span> o a la función
<span class="classname"><strong class="classname">gnupg</strong></span>.</p>
    </dd>
   
   
    <dt><code class="parameter">signed_text</code></dt>
    <dd>
     <span class="simpara">
      El texto firmado.
     </span>
    </dd>
   
   
    <dt><code class="parameter">signature</code></dt>
    <dd>
     <span class="simpara">
      La firma. Para verificar un texto firmado en claro, se establece la firma
      a <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong>.
     </span>
    </dd>
   
   
    <dt><code class="parameter">plaintext</code></dt>
    <dd>
     <span class="simpara">
      El texto. Si este argumento opcional es pasado, se rellena con el <code class="parameter">plaintext</code>.
     </span>
    </dd>
   
  </dl>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.gnupg-verify-returnvalues">
  <h3 class="title">Valores devueltos</h3>
  <p class="simpara">
   En caso de éxito, esta función devuelve informaciones acerca de la
   firma.
   En caso de fallo, esta función devuelve <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong>.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.gnupg-verify-examples">
  <h3 class="title">Ejemplos</h3>
  <p class="para">
   <div class="example" id="example-1">
    <p><strong>Ejemplo #1 Ejemplo con <span class="function"><strong>gnupg_verify()</strong></span> (Estilo procedimental)</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$plaintext </span><span style="color: #007700">= </span><span style="color: #DD0000">""</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$res </span><span style="color: #007700">= </span><span style="color: #0000BB">gnupg_init</span><span style="color: #007700">();<br /></span><span style="color: #FF8000">// firmado en claro<br /></span><span style="color: #0000BB">$info </span><span style="color: #007700">= </span><span style="color: #0000BB">gnupg_verify</span><span style="color: #007700">(</span><span style="color: #0000BB">$res</span><span style="color: #007700">,</span><span style="color: #0000BB">$signed_text</span><span style="color: #007700">,</span><span style="color: #0000BB">false</span><span style="color: #007700">,</span><span style="color: #0000BB">$plaintext</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$info</span><span style="color: #007700">);<br /></span><span style="color: #FF8000">// firma separada<br /></span><span style="color: #0000BB">$info </span><span style="color: #007700">= </span><span style="color: #0000BB">gnupg_verify</span><span style="color: #007700">(</span><span style="color: #0000BB">$res</span><span style="color: #007700">,</span><span style="color: #0000BB">$signed_text</span><span style="color: #007700">,</span><span style="color: #0000BB">$signature</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$info</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

   </div>
   <div class="example" id="example-2">
    <p><strong>Ejemplo #2 Ejemplo con <span class="function"><strong>gnupg_verify()</strong></span> (Estilo orientado a objetos)</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$plaintext </span><span style="color: #007700">= </span><span style="color: #DD0000">""</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$gpg </span><span style="color: #007700">= new </span><span style="color: #0000BB">gnupg</span><span style="color: #007700">();<br /></span><span style="color: #FF8000">// firmado en claro<br /></span><span style="color: #0000BB">$info </span><span style="color: #007700">= </span><span style="color: #0000BB">$gpg</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">verify</span><span style="color: #007700">(</span><span style="color: #0000BB">$signed_text</span><span style="color: #007700">,</span><span style="color: #0000BB">false</span><span style="color: #007700">,</span><span style="color: #0000BB">$plaintext</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$info</span><span style="color: #007700">);<br /></span><span style="color: #FF8000">// firma separada<br /></span><span style="color: #0000BB">$info </span><span style="color: #007700">= </span><span style="color: #0000BB">$gpg</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">verify</span><span style="color: #007700">(</span><span style="color: #0000BB">$signed_text</span><span style="color: #007700">,</span><span style="color: #0000BB">$signature</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$info</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

   </div>
  </p>
 </div>

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