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262 lines
6.6 KiB
HTML
262 lines
6.6 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>返回包含密钥详情的数组</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-get-details" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">openssl_pkey_get_details</h1>
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<p class="verinfo">(PHP 5 >= 5.2.0, PHP 7)</p><p class="refpurpose"><span class="refname">openssl_pkey_get_details</span> — <span class="dc-title">返回包含密钥详情的数组</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.openssl-pkey-get-details-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_get_details</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$key</code></span>
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) : <span class="type">array</span></div>
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<p class="para rdfs-comment">
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该函数返回密钥详情(位长度，密钥，类型).
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.openssl-pkey-get-details-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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持有密钥的资源。
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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-get-details-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，返回包含密钥详情的数组，失败返回 <strong><code>FALSE</code></strong> .
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返回的数组中包含了如下索引： <em>bits</em> (位数),
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<em>key</em> (表示公钥的字符串) 和
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<em>type</em> (如下密钥类型之一：
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<strong><code>OPENSSL_KEYTYPE_RSA</code></strong>,
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<strong><code>OPENSSL_KEYTYPE_DSA</code></strong>,
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<strong><code>OPENSSL_KEYTYPE_DH</code></strong>,
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<strong><code>OPENSSL_KEYTYPE_EC</code></strong> 或者 未知类型返回1).
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</p>
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<p class="para">
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取决于所使用密钥的类型，可能会返回其他额外的信息。请注意，有些元素可能并不总是可用的。
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</p>
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<ul class="itemizedlist">
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<li class="listitem">
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<span class="simpara">
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<strong><code>OPENSSL_KEYTYPE_RSA</code></strong>, 一个额外的键名为 <em>"rsa"</em>的数组，包含了以下密钥数据：
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</span>
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<table class="doctable informaltable">
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<thead>
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<tr>
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<th>Key</th>
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<th>说明</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><em>"n"</em></td>
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<td>modulus</td>
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</tr>
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<tr>
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<td><em>"e"</em></td>
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<td>public exponent</td>
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</tr>
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<tr>
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<td><em>"d"</em></td>
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<td>private exponent</td>
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</tr>
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<tr>
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<td><em>"p"</em></td>
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<td>prime 1</td>
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</tr>
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<tr>
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<td><em>"q"</em></td>
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<td>prime 2</td>
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</tr>
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<tr>
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<td><em>"dmp1"</em></td>
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<td>exponent1, d mod (p-1)</td>
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</tr>
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<tr>
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<td><em>"dmq1"</em></td>
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<td>exponent2, d mod (q-1)</td>
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</tr>
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<tr>
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<td><em>"iqmp"</em></td>
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<td>coefficient, (inverse of q) mod p</td>
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</tr>
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</tbody>
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</table>
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</li>
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<li class="listitem">
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<span class="simpara">
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<strong><code>OPENSSL_KEYTYPE_DSA</code></strong>, 一个额外的键为 <em>"dsa"</em> 的数组，
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包含如下的密钥数据。
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</span>
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<table class="doctable informaltable">
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<thead>
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<tr>
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<th>Key</th>
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<th>说明</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><em>"p"</em></td>
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<td>prime number (public)</td>
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</tr>
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<tr>
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<td><em>"q"</em></td>
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<td>160-bit subprime, q | p-1 (public)</td>
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</tr>
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<tr>
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<td><em>"g"</em></td>
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<td>generator of subgroup (public)</td>
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</tr>
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<tr>
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<td><em>"priv_key"</em></td>
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<td>private key x</td>
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</tr>
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<tr>
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<td><em>"pub_key"</em></td>
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<td>public key y = g^x</td>
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</tr>
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</tbody>
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</table>
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</li>
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<li class="listitem">
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<span class="simpara">
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<strong><code>OPENSSL_KEYTYPE_DH</code></strong>, 一个额外的键为 <em>"dh"</em> 的数组，包含如下的密钥数据。
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</span>
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<table class="doctable informaltable">
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<thead>
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<tr>
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<th>Key</th>
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<th>说明</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><em>"p"</em></td>
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<td>prime number (shared)</td>
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</tr>
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<tr>
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<td><em>"g"</em></td>
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<td>generator of Z_p (shared)</td>
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</tr>
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<tr>
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<td><em>"priv_key"</em></td>
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<td>private DH value x</td>
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</tr>
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<tr>
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<td><em>"pub_key"</em></td>
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<td>public DH value g^x</td>
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</tr>
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</tbody>
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</table>
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</li>
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<li class="listitem">
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<span class="simpara">
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<strong><code>OPENSSL_KEYTYPE_EC</code></strong>, 一个额外的键为 <em>"ec"</em> 的数组,包含如下的密钥数据。
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</span>
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<table class="doctable informaltable">
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<thead>
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<tr>
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<th>Key</th>
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<th>说明</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><em>"curve_name"</em></td>
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<td>name of curve, see <span class="function"><a href="openssl_get_curve_names.html" class="function">openssl_get_curve_names()</a></span></td>
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</tr>
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<tr>
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<td><em>"curve_oid"</em></td>
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<td>ASN1 Object identifier (OID) for EC curve.</td>
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</tr>
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<tr>
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<td><em>"x"</em></td>
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<td>x coordinate (public)</td>
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</tr>
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<tr>
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<td><em>"y"</em></td>
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<td>y coordinate (public)</td>
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</tr>
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<tr>
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<td><em>"d"</em></td>
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<td>private key</td>
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</tr>
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</tbody>
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</table>
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</li>
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</ul>
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</div>
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</div></div></div></body></html> |