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102 lines
3.5 KiB
HTML
102 lines
3.5 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>将一个密钥的可输出表示转换为字符串</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.openssl-pkey-export" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">openssl_pkey_export</h1>
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<p class="verinfo">(PHP 4 >= 4.2.0, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">openssl_pkey_export</span> — <span class="dc-title">将一个密钥的可输出表示转换为字符串</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.openssl-pkey-export-description">
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<h3 class="title">说明</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>openssl_pkey_export</strong></span>
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( <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$key</code></span>
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, <span class="methodparam"><span class="type">string</span> <code class="parameter reference">&$out</code></span>
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[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$passphrase</code></span>
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[, <span class="methodparam"><span class="type">array</span> <code class="parameter">$configargs</code></span>
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]] ) : <span class="type">bool</span></div>
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<p class="para rdfs-comment">
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<span class="function"><strong>openssl_pkey_export()</strong></span> 将
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<code class="parameter">key</code> 当作 PEM 编码字符串导出并且将之保存到<code class="parameter">out</code> (通过引用传递的)中。
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</p>
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<blockquote class="note"><p><strong class="note">Note</strong>:
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<span class="simpara">
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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.html" class="link">安装</a>的说明以获得更多信息。
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</span>
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</p></blockquote>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.openssl-pkey-export-parameters">
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<h3 class="title">参数</h3>
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<p class="para">
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<dl>
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<dt>
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<code class="parameter">key</code></dt>
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<dd>
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<p class="para">
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</p>
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</dd>
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<dt>
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<code class="parameter">out</code></dt>
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<dd>
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<p class="para">
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</p>
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</dd>
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<dt>
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<code class="parameter">passphrase</code></dt>
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<dd>
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<p class="para">
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密钥可以通过 <code class="parameter">passphrase</code> 来保护。
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</p>
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</dd>
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<dt>
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<code class="parameter">configargs</code></dt>
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<dd>
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<p class="para">
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<code class="parameter">configargs</code> 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 <span class="function"><a href="openssl_csr_new.html" class="function">openssl_csr_new()</a></span> 获取更多关于 <code class="parameter">configargs</code> 的信息。
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</p>
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</dd>
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</dl>
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.openssl-pkey-export-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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成功时返回 <strong><code>TRUE</code></strong>， 或者在失败时返回 <strong><code>FALSE</code></strong>。
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</p>
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</div>
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</div></div></div></body></html> |