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?>
<div id="function.openssl-csr-sign" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">openssl_csr_sign</h1>
  <p class="verinfo">(PHP 4 &gt;= 4.2.0, PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">openssl_csr_sign</span> &mdash; <span class="dc-title">用另一个证书签署 <abbr title="Certificate Signing Request">CSR</abbr>（或者本身）并且生成一个证书</span></p>

 </div>
 
 <div class="refsect1 description" id="refsect1-function.openssl-csr-sign-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>openssl_csr_sign</strong></span>(<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><span class="type"><a href="class.opensslcertificatesigningrequest.php" class="type OpenSSLCertificateSigningRequest">OpenSSLCertificateSigningRequest</a></span>|<span class="type"><a href="language.types.string.php" class="type string">string</a></span></span> <code class="parameter">$csr</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><span class="type"><a href="class.opensslcertificate.php" class="type OpenSSLCertificate">OpenSSLCertificate</a></span>|<span class="type"><a href="language.types.string.php" class="type string">string</a></span>|<span class="type"><a href="language.types.null.php" class="type null">null</a></span></span> <code class="parameter">$ca_certificate</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">$private_key</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$days</code></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><span class="type"><a href="language.types.null.php" class="type null">?</a></span><span class="type"><a href="language.types.array.php" class="type array">array</a></span></span> <code class="parameter">$options</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong></span></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$serial</code><span class="initializer"> = 0</span></span>,<br>&nbsp;&nbsp;&nbsp;&nbsp;<span class="methodparam"><span class="type"><span class="type"><a href="language.types.null.php" class="type null">?</a></span><span class="type"><a href="language.types.string.php" class="type string">string</a></span></span> <code class="parameter">$serial_hex</code><span class="initializer"> = <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong></span></span><br>): <span class="type"><span class="type"><a href="class.opensslcertificate.php" class="type OpenSSLCertificate">OpenSSLCertificate</a></span>|<span class="type"><a href="language.types.singleton.php" class="type false">false</a></span></span></div>

  <p class="para rdfs-comment">
   <span class="function"><strong>openssl_csr_sign()</strong></span> 从给定的 <abbr title="Certificate Signing Request">CSR</abbr> 生成 x509 证书。
  </p>
  <blockquote class="note"><p><strong class="note">注意</strong>: 
<span class="simpara">
 必须安装有效的 <var class="filename">openssl.cnf</var> 以保证此函数正确运行。参考有关<a href="openssl.installation.php" class="link">安装</a>的说明以获得更多信息。
</span>
</p></blockquote>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.openssl-csr-sign-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">csr</code></dt>
     <dd>
      <p class="para">
       由 <span class="function"><a href="function.openssl-csr-new.php" class="function">openssl_csr_new()</a></span> 函数生成的 <abbr title="Certificate Signing Request">CSR</abbr>。
       也可以是由类似<var class="filename">file://path/to/csr</var>格式指定的指向 <abbr title="Privacy-Enhanced Mail">PEM</abbr> 编码的 <abbr title="Certificate Signing Request">CSR</abbr> 路径，或者是一个由<span class="function"><a href="function.openssl-csr-export.php" class="function">openssl_csr_export()</a></span>函数生成的字符串。
      </p>
     </dd>
    
    
     <dt><code class="parameter">ca_certificate</code></dt>
     <dd>
      <p class="para">
       生成的证书将由<code class="parameter">ca_certificate</code>签名。
       如果<code class="parameter">ca_certificate</code> 为 <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong>, 生成的证书将是自签名证书。
      </p>
     </dd>
    
    
     <dt><code class="parameter">private_key</code></dt>
     <dd>
      <p class="para">
       <code class="parameter">private_key</code> 是 <code class="parameter">ca_certificate</code> 证书对应的私钥。
      </p>
     </dd>
    
    
     <dt><code class="parameter">days</code></dt>
     <dd>
      <p class="para">
       <code class="parameter">days</code> 指定生成的证书在几天内有效的时间长度。
      </p>
     </dd>
    
    
     <dt><code class="parameter">options</code></dt>
     <dd>
      <p class="para">
       可以通过 <code class="parameter">options</code> 确定 <abbr title="Certificate Signing Request">CSR</abbr> 签名。
       查看 <span class="function"><a href="function.openssl-csr-new.php" class="function">openssl_csr_new()</a></span> 方法获取
       <code class="parameter">options</code> 的更多相关信息。
      </p>
     </dd>
    
    
     <dt><code class="parameter">serial</code></dt>
     <dd>
      <p class="para">
       可选的已签发证书的序列号。如果未指定，将默认为 0。
      </p>
     </dd>
    
    
     <dt><code class="parameter">serial_hex</code></dt>
     <dd>
      <p class="para">
       可选的十六进制字符串，表示已签发证书的序列号。
       如果设置，将优先于 <code class="parameter">serial</code> 参数值。
       如果未指定或设置为 <strong><code><a href="reserved.constants.php#constant.null">null</a></code></strong>，则使用 <code class="parameter">serial</code> 参数值。
      </p>
     </dd>
    
   </dl>
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.openssl-csr-sign-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   成功时返回 <span class="classname"><a href="class.opensslcertificate.php" class="classname">OpenSSLCertificate</a></span>，失败则返回 <strong><code><a href="reserved.constants.php#constant.false">false</a></code></strong>。
  </p>
 </div>


 <div class="refsect1 changelog" id="refsect1-function.openssl-csr-sign-changelog">
  <h3 class="title">更新日志</h3>
  <table class="doctable informaltable">
   
    <thead>
     <tr>
      <th>版本</th>
      <th>说明</th>
     </tr>

    </thead>

    <tbody class="tbody">
     <tr>
      <td>8.4.0</td>
      <td>
       添加了 <code class="parameter">serial_hex</code> 参数。
      </td>
     </tr>

     <tr>
      <td>8.0.0</td>
      <td>
       成功时，此函数现在返回 <span class="classname"><a href="class.opensslcertificate.php" class="classname">OpenSSLCertificate</a></span>
       实例；之前返回类型 <code class="literal">OpenSSL X.509</code> 的 <span class="type"><a href="language.types.resource.php" class="type resource">resource</a></span>。
      </td>
     </tr>

     <tr>
      <td>8.0.0</td>
      <td>
       <code class="parameter">csr</code> 现在接受 <span class="classname"><a href="class.opensslcertificatesigningrequest.php" class="classname">OpenSSLCertificateSigningRequest</a></span>
       实例；之前接受类型 <code class="literal">OpenSSL X.509 CSR</code> 的 <span class="type"><a href="language.types.resource.php" class="type resource">resource</a></span>。
      </td>
     </tr>

     <tr>
      <td>8.0.0</td>
      <td>
       <code class="parameter">ca_certificate</code> 现在接受 <span class="classname"><a href="class.opensslcertificate.php" class="classname">OpenSSLCertificate</a></span>
       实例；之前接受类型 <code class="literal">OpenSSL X.509</code> 的 <span class="type"><a href="language.types.resource.php" class="type resource">resource</a></span>。
      </td>
     </tr>

     <tr>
      <td>8.0.0</td>
      <td>
       <code class="parameter">private_key</code> 现在接受 <span class="classname"><a href="class.opensslasymmetrickey.php" class="classname">OpenSSLAsymmetricKey</a></span>
       或 <span class="classname"><a href="class.opensslcertificate.php" class="classname">OpenSSLCertificate</a></span> 实例；之前接受类型 <code class="literal">OpenSSL key</code> 或
       <code class="literal">OpenSSL X.509</code> 的 <span class="type"><a href="language.types.resource.php" class="type resource">resource</a></span>。
      </td>
     </tr>

    </tbody>
   
  </table>

 </div>


 <div class="refsect1 examples" id="refsect1-function.openssl-csr-sign-examples">
  <h3 class="title">示例</h3>
  <p class="para">
   <div class="example" id="example-1">
    <p><strong>示例 #1 <span class="function"><strong>openssl_csr_sign()</strong></span> 示例——签署 <abbr title="Certificate Signing Request">CSR</abbr>（如何实现自己的 CA）</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">// Let's assume that this script is set to receive a CSR that has<br />// been pasted into a textarea from another page<br /></span><span style="color: #0000BB">$csrdata </span><span style="color: #007700">= </span><span style="color: #0000BB">$_POST</span><span style="color: #007700">[</span><span style="color: #DD0000">"CSR"</span><span style="color: #007700">];<br /><br /></span><span style="color: #FF8000">// We will sign the request using our own "certificate authority"<br />// certificate.  You can use any certificate to sign another, but<br />// the process is worthless unless the signing certificate is trusted<br />// by the software/users that will deal with the newly signed certificate<br /><br />// We need our CA cert and its private key<br /></span><span style="color: #0000BB">$cacert </span><span style="color: #007700">= </span><span style="color: #DD0000">"file://path/to/ca.crt"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$privkey </span><span style="color: #007700">= array(</span><span style="color: #DD0000">"file://path/to/ca.key"</span><span style="color: #007700">, </span><span style="color: #DD0000">"your_ca_key_passphrase"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$usercert </span><span style="color: #007700">= </span><span style="color: #0000BB">openssl_csr_sign</span><span style="color: #007700">(</span><span style="color: #0000BB">$csrdata</span><span style="color: #007700">, </span><span style="color: #0000BB">$cacert</span><span style="color: #007700">, </span><span style="color: #0000BB">$privkey</span><span style="color: #007700">, </span><span style="color: #0000BB">365</span><span style="color: #007700">, array(</span><span style="color: #DD0000">'digest_alg'</span><span style="color: #007700">=&gt;</span><span style="color: #DD0000">'sha256'</span><span style="color: #007700">) );<br /><br /></span><span style="color: #FF8000">// Now display the generated certificate so that the user can<br />// copy and paste it into their local configuration (such as a file<br />// to hold the certificate for their SSL server)<br /></span><span style="color: #0000BB">openssl_x509_export</span><span style="color: #007700">(</span><span style="color: #0000BB">$usercert</span><span style="color: #007700">, </span><span style="color: #0000BB">$certout</span><span style="color: #007700">);<br />echo </span><span style="color: #0000BB">$certout</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">// Show any errors that occurred here<br /></span><span style="color: #007700">while ((</span><span style="color: #0000BB">$e </span><span style="color: #007700">= </span><span style="color: #0000BB">openssl_error_string</span><span style="color: #007700">()) !== </span><span style="color: #0000BB">false</span><span style="color: #007700">) {<br />    echo </span><span style="color: #0000BB">$e </span><span style="color: #007700">. </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />}<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
    </div>

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


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