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?>
<div id="function.openssl-sign" class="refentry"> <div class="refnamediv">
  <h1 class="refname">openssl_sign</h1>
  <p class="verinfo">(PHP 4 &gt;= 4.0.4, PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">openssl_sign</span> &mdash; <span class="dc-title">İmza üretir</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.openssl-sign-description">
  <h3 class="title">Açıklama</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>openssl_sign</strong></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">$veri</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter reference">&$imza</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="attribute"><a href="class.sensitiveparameter.php">#[\SensitiveParameter]</a> </span><span class="type"><span class="type"><a href="class.opensslasymmetrickey.php" class="type OpenSSLAsymmetricKey">OpenSSLAsymmetricKey</a></span>|<span class="type"><a href="class.opensslcertificate.php" class="type OpenSSLCertificate">OpenSSLCertificate</a></span>|<span class="type"><a href="language.types.array.php" class="type array">array</a></span>|<span class="type"><a href="language.types.string.php" class="type string">string</a></span></span> <code class="parameter">$gizli_anahtar</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><span class="type"><a href="language.types.string.php" class="type string">string</a></span>|<span class="type"><a href="language.types.integer.php" class="type int">int</a></span></span> <code class="parameter">$algoritma</code><span class="initializer"> = <strong><code><a href="openssl.signature-algos.php#constant.openssl-algo-sha1">OPENSSL_ALGO_SHA1</a></code></strong></span></span><br>): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>

  <p class="para rdfs-comment">
   <code class="parameter">gizli_anahtar</code>ı kullanarak kriptografik bir imza
   üreterek belirtilen <code class="parameter">veri</code> için bir imza hesaplar.
   Veri şifrelenmez.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.openssl-sign-parameters">
  <h3 class="title">Bağımsız Değişkenler</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">veri</code></dt>
     <dd>
      <p class="para">
       İmzalanacak veri.
      </p>
     </dd>
    
    
     <dt><code class="parameter">imza</code></dt>
     <dd>
      <p class="para">
       İşlem başarılı olursa imza bu bağımsız değişkene konur.
      </p>
     </dd>
    
    
     <dt><code class="parameter">gizli_anahtar</code></dt>
     <dd>
      <p class="para">
       İmza bu anahtar kullanılarak oluşturulur.
       Ya bir <span class="classname"><a href="class.opensslasymmetrickey.php" class="classname">OpenSSLAsymmetricKey</a></span> örneğidir;
       <span class="function"><a href="function.openssl-get-privatekey.php" class="function">openssl_get_privatekey()</a></span> ile üretilir.
      </p>
      <p class="para">
       Ya da <abbr title="Privacy-Enhanced Mail">PEM</abbr> biçemli bir anahtar dizgesidir.
      </p>
     </dd>
    
    
     <dt><code class="parameter">algoritma</code></dt>
     <dd>
      <p class="para">
       <span class="type"><a href="language.types.integer.php" class="type int">int</a></span> türünde, <a href="openssl.signature-algos.php" class="link">İmzalama algoritmaları</a>ndan biri.
      </p>
      <p class="para">
       <span class="type"><a href="language.types.string.php" class="type string">string</a></span> türünde, <span class="function"><a href="function.openssl-get-md-methods.php" class="function">openssl_get_md_methods()</a></span>
       işlevinden döndürülmüş geçerli bir dizge
       (örn: &quot;sha256WithRSAEncryption&quot; veya &quot;sha384&quot;.
      </p>
     </dd>
    
   </dl>
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.openssl-sign-returnvalues">
  <h3 class="title">Dönen Değerler</h3>
  <p class="para">
   Başarı durumunda <strong><code><a href="reserved.constants.php#constant.true">true</a></code></strong>, başarısızlık durumunda <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong> döner.
  </p>
 </div>


 <div class="refsect1 changelog" id="refsect1-function.openssl-sign-changelog">
  <h3 class="title">Sürüm Bilgisi</h3>
  <table class="doctable informaltable">
   
    <thead>
     <tr>
      <th>Sürüm: </th>
      <th>Açıklama</th>
     </tr>

    </thead>

    <tbody class="tbody">
     <tr>
      <td>8.0.0</td>
      <td>
       <code class="parameter">genel_anahtar</code> artık
       <span class="classname"><a href="class.opensslasymmetrickey.php" class="classname">OpenSSLAsymmetricKey</a></span> veya
       <span class="classname"><a href="class.opensslcertificate.php" class="classname">OpenSSLCertificate</a></span> örneği kabul ediyor;
       evvelce, <code class="literal">OpenSSL key</code> veya <code class="literal">OpenSSL
       X.509</code> özkaynağı kabul edilirdi.
      </td>
     </tr>

    </tbody>
   
  </table>

 </div>


 <div class="refsect1 examples" id="refsect1-function.openssl-sign-examples">
  <h3 class="title">Örnekler</h3>
  <p class="para">
   <div class="example" id="example-1">
    <p><strong>Örnek 1 - <span class="function"><strong>openssl_sign()</strong></span> örneği</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /></span><span style="color: #FF8000">// $veri'nin imzalanacak veriyi içerdiği varsayılıyor<br /><br />// Gizli anahtarı dosyadan alıp hazırla<br /></span><span style="color: #0000BB">$pkeyid </span><span style="color: #007700">= </span><span style="color: #0000BB">openssl_pkey_get_private</span><span style="color: #007700">(</span><span style="color: #DD0000">"file://src/openssl-0.9.6/demos/sign/key.pem"</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// İmzayı hesapla<br /></span><span style="color: #0000BB">openssl_sign</span><span style="color: #007700">(</span><span style="color: #0000BB">$veri</span><span style="color: #007700">, </span><span style="color: #0000BB">$imza</span><span style="color: #007700">, </span><span style="color: #0000BB">$genankim</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Anahtar belleğini serbest bırak<br /></span><span style="color: #0000BB">openssl_free_key</span><span style="color: #007700">(</span><span style="color: #0000BB">$genankim</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>Örnek 2 - <span class="function"><strong>openssl_sign()</strong></span> örneği</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /></span><span style="color: #FF8000">// imzalanacak veri<br /></span><span style="color: #0000BB">$data </span><span style="color: #007700">= </span><span style="color: #DD0000">'my data'</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">// genel ve gizli anahtarları üret<br /></span><span style="color: #0000BB">$new_key_pair </span><span style="color: #007700">= </span><span style="color: #0000BB">openssl_pkey_new</span><span style="color: #007700">(array(<br />    </span><span style="color: #DD0000">"private_key_bits" </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">2048</span><span style="color: #007700">,<br />    </span><span style="color: #DD0000">"private_key_type" </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">OPENSSL_KEYTYPE_RSA</span><span style="color: #007700">,<br />));<br /></span><span style="color: #0000BB">openssl_pkey_export</span><span style="color: #007700">(</span><span style="color: #0000BB">$new_key_pair</span><span style="color: #007700">, </span><span style="color: #0000BB">$private_key_pem</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$details </span><span style="color: #007700">= </span><span style="color: #0000BB">openssl_pkey_get_details</span><span style="color: #007700">(</span><span style="color: #0000BB">$new_key_pair</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$public_key_pem </span><span style="color: #007700">= </span><span style="color: #0000BB">$details</span><span style="color: #007700">[</span><span style="color: #DD0000">'key'</span><span style="color: #007700">];<br /><br /></span><span style="color: #FF8000">// imzayı üret<br /></span><span style="color: #0000BB">openssl_sign</span><span style="color: #007700">(</span><span style="color: #0000BB">$data</span><span style="color: #007700">, </span><span style="color: #0000BB">$signature</span><span style="color: #007700">, </span><span style="color: #0000BB">$private_key_pem</span><span style="color: #007700">, </span><span style="color: #0000BB">OPENSSL_ALGO_SHA256</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// kullanmak üzere kaydet<br /></span><span style="color: #0000BB">file_put_contents</span><span style="color: #007700">(</span><span style="color: #DD0000">'private_key.pem'</span><span style="color: #007700">, </span><span style="color: #0000BB">$private_key_pem</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">file_put_contents</span><span style="color: #007700">(</span><span style="color: #DD0000">'public_key.pem'</span><span style="color: #007700">, </span><span style="color: #0000BB">$public_key_pem</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">file_put_contents</span><span style="color: #007700">(</span><span style="color: #DD0000">'signature.dat'</span><span style="color: #007700">, </span><span style="color: #0000BB">$signature</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// imzayı doğrula<br /></span><span style="color: #0000BB">$r </span><span style="color: #007700">= </span><span style="color: #0000BB">openssl_verify</span><span style="color: #007700">(</span><span style="color: #0000BB">$data</span><span style="color: #007700">, </span><span style="color: #0000BB">$signature</span><span style="color: #007700">, </span><span style="color: #0000BB">$public_key_pem</span><span style="color: #007700">, </span><span style="color: #DD0000">"sha256WithRSAEncryption"</span><span style="color: #007700">);<br /></span><span style="color: #FF8000">// göster<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$r</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

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


 <div class="refsect1 seealso" id="refsect1-function.openssl-sign-seealso">
  <h3 class="title">Ayrıca Bakınız</h3>
  <p class="para">
   <ul class="simplelist">
    <li><span class="function"><a href="function.openssl-verify.php" class="function" rel="rdfs-seeAlso">openssl_verify()</a> - İmzayı doğrular</span></li>
   </ul>
  </p>
 </div>


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