openssl-pkey-export-to-file.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- EN-Revision: e50e79746736dbdfbabe9bd3566793b3ddf38f58 Maintainer: duanxiaoqiang Status: ready -->
<!-- CREDITS: mowangjuanzi, Luffy -->
<refentry xml:id="function.openssl-pkey-export-to-file" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>openssl_pkey_export_to_file</refname>
  <refpurpose>将密钥导出到文件中</refpurpose>
 </refnamediv>
 
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>bool</type><methodname>openssl_pkey_export_to_file</methodname>
   <methodparam><modifier role="attribute">#[\SensitiveParameter]</modifier><type class="union"><type>OpenSSLAsymmetricKey</type><type>OpenSSLCertificate</type><type>array</type><type>string</type></type><parameter>key</parameter></methodparam>
   <methodparam><type>string</type><parameter>output_filename</parameter></methodparam>
   <methodparam choice="opt"><modifier role="attribute">#[\SensitiveParameter]</modifier><type class="union"><type>string</type><type>null</type></type><parameter>passphrase</parameter><initializer>&null;</initializer></methodparam>
   <methodparam choice="opt"><type class="union"><type>array</type><type>null</type></type><parameter>options</parameter><initializer>&null;</initializer></methodparam>
  </methodsynopsis>
  <para>
   <function>openssl_pkey_export_to_file</function> 将 ascii 格式（<acronym>PEM</acronym> 编码）的
   <parameter>key</parameter> 保存到名为 <parameter>output_filename</parameter> 文件中。  
  </para>
  &note.openssl.cnf;
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>key</parameter></term>
     <listitem>
      <para>
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>output_filename</parameter></term>
     <listitem>
      <para>
       输出文件的路径。
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>passphrase</parameter></term>
     <listitem>
      <para>
       密钥可以通过值为<parameter>passphrase</parameter>的密码来保护。
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>options</parameter></term>
     <listitem>
      <para>
       <parameter>options</parameter> 可以用来调整导出流程，通过指定或者覆盖openssl配置文件选项。参见 <function>openssl_csr_new</function> 获取更多关于 <parameter>options</parameter> 的信息。
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   &return.success;
  </para>
 </refsect1>

 <refsect1 role="changelog">
  &reftitle.changelog;
  <informaltable>
   <tgroup cols="2">
    <thead>
     <row>
      <entry>&Version;</entry>
      <entry>&Description;</entry>
     </row>
    </thead>
    <tbody>
     <row>
      <entry>8.0.0</entry>
      <entry>
       <parameter>key</parameter> 现在接受 <classname>OpenSSLAsymmetricKey</classname>
       或 <classname>OpenSSLCertificate</classname> 实例；之前接受类型 <literal>OpenSSL key</literal>
       或 <literal>OpenSSL X.509</literal> 的 &resource;。
      </entry>
     </row>
    </tbody>
   </tgroup>
  </informaltable>
 </refsect1>
</refentry>
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