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150 lines
4.6 KiB
HTML
150 lines
4.6 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>验证是否可以为特定目的使用证书</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-x509-checkpurpose" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">openssl_x509_checkpurpose</h1>
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<p class="verinfo">(PHP 4 >= 4.0.6, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">openssl_x509_checkpurpose</span> — <span class="dc-title">验证是否可以为特定目的使用证书</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.openssl-x509-checkpurpose-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_x509_checkpurpose</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">$x509cert</code></span>
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, <span class="methodparam"><span class="type">int</span> <code class="parameter">$purpose</code></span>
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[, <span class="methodparam"><span class="type">array</span> <code class="parameter">$cainfo</code><span class="initializer"> = array()</span></span>
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[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$untrustedfile</code></span>
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]] ) : <span class="type">int</span></div>
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<p class="para rdfs-comment">
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<span class="function"><strong>openssl_x509_checkpurpose()</strong></span> 检查证书以查看它是否可用于指定目的 <code class="parameter">purpose</code>.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.openssl-x509-checkpurpose-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">x509cert</code></dt>
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<dd>
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<p class="para">
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被检查的证书。
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</p>
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</dd>
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<dt>
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<code class="parameter">purpose</code></dt>
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<dd>
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<p class="para">
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<table class="doctable table">
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<caption><strong><span class="function"><strong>openssl_x509_checkpurpose()</strong></span> 目的</strong></caption>
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<thead>
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<tr>
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<th>常量名</th>
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<th>描述</th>
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</tr>
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</thead>
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<tbody class="tbody">
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<tr>
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<td>X509_PURPOSE_SSL_CLIENT</td>
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<td>证书是否可以用于SSL连接的客户端?</td>
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</tr>
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<tr>
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<td>X509_PURPOSE_SSL_SERVER</td>
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<td>证书是否可以用于SSL连接的服务器端?</td>
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</tr>
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<tr>
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<td>X509_PURPOSE_NS_SSL_SERVER</td>
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<td>证书是否可以用于Netscape SSL服务器?</td>
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</tr>
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<tr>
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<td>X509_PURPOSE_SMIME_SIGN</td>
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<td>证书是否可以用来签名 S/MIME 邮件?</td>
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</tr>
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<tr>
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<td>X509_PURPOSE_SMIME_ENCRYPT</td>
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<td>正式是否可用用来加密 S/MIME 邮件?</td>
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</tr>
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<tr>
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<td>X509_PURPOSE_CRL_SIGN</td>
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<td>证书是否可以用来签名证书撤销列表(CRL)?</td>
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</tr>
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<tr>
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<td>X509_PURPOSE_ANY</td>
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<td>证书是否可以用于任何目的?</td>
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</tr>
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</tbody>
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</table>
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这些选项不是位字段——您只能指定一个字段!
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</p>
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</dd>
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<dt>
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<code class="parameter">cainfo</code></dt>
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<dd>
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<p class="para">
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<code class="parameter">cainfo</code> 应该是一个受信任的 CA 文件/文件夹组成的数组，如<a href="openssl.cert.verification.html" class="link">Certificate
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Verification</a>所描述的一样。
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</p>
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</dd>
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<dt>
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<code class="parameter">untrustedfile</code></dt>
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<dd>
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<p class="para">
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如果指定，这应该是PEM编码文件的名称，该文件持有证书，可以用来帮助验证证书,尽管从该文件中获得的证书不受信任。
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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-x509-checkpurpose-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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如果证书可以用于预期目的，返回 <strong><code>TRUE</code></strong>,如果不行，则返回 <strong><code>FALSE</code></strong> 错误便会返回 -1。
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</p>
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</div>
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</div></div></div></body></html> |