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  5.   <title>Decrypts and verifies a given text</title>
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  11.  <div class="up"><a href="ref.gnupg.html">GnuPG 函数</a></div>
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  12.  <div class="home"><a href="index.html">PHP Manual</a></div>
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  13. </div><hr /><div id="function.gnupg-decryptverify" class="refentry">
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  14.  <div class="refnamediv">
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  15.   <h1 class="refname">gnupg_decryptverify</h1>
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  16.   <p class="verinfo">(PECL gnupg &gt;= 0.2)</p><p class="refpurpose"><span class="refname">gnupg_decryptverify</span> &mdash; <span class="dc-title">Decrypts and verifies a given text</span></p>
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  18.  </div>
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  20.  <div class="refsect1 description" id="refsect1-function.gnupg-decryptverify-description">
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  21.   <h3 class="title">说明</h3>
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  22.   <div class="methodsynopsis dc-description">
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  23.    <span class="type">array</span> <span class="methodname"><strong>gnupg_decryptverify</strong></span>
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  24.     ( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$identifier</code></span>
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  25.    , <span class="methodparam"><span class="type">string</span> <code class="parameter">$text</code></span>
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  26.    , <span class="methodparam"><span class="type">string</span> <code class="parameter reference">&$plaintext</code></span>
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  27.    )</div>
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  28. 

  29.   <p class="para rdfs-comment">
    30. 

  30.    Decrypts and verifies a given text and returns information about the
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  31.    signature.
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  32.   </p>
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  33.  </div>
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  34. 

  35. 

  36.  <div class="refsect1 parameters" id="refsect1-function.gnupg-decryptverify-parameters">
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  37.   <h3 class="title">参数</h3>
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  38.   <p class="para">
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  39.    <dl>
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  40. 

  41.     <dt>
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  42. 

  43.      <span class="term"><em><code class="parameter">identifier</code></em></span>
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  44.      <dd>
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  45. 

  46.       <p class="para">gnupg 标识符，由对
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  47.  <span class="function"><a href="function.gnupg-init.html" class="function">gnupg_init()</a></span> 或 <strong class="classname">gnupg</strong> 的调用生成。</p>
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  48.      </dd>
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  49. 

  50.     </dt>
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  51. 

  52.     <dt>
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  53. 

  54.      <span class="term"><em><code class="parameter">text</code></em></span>
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  55.      <dd>
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  56. 

  57.       <p class="para">
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  58.        The text being decrypted.
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  59.       </p>
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  60.      </dd>
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  61. 

  62.     </dt>
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  63. 

  64.     <dt>
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  65. 

  66.      <span class="term"><em><code class="parameter">plaintext</code></em></span>
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  67.      <dd>
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  68. 

  69.       <p class="para">
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  70.        The parameter <em><code class="parameter">plaintext</code></em> gets filled with the decrypted
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  71.        text.
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  72.       </p>
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  73.      </dd>
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  74. 

  75.     </dt>
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  77.    </dl>
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  79.   </p>
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  80.  </div>
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  81. 

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  83.  <div class="refsect1 returnvalues" id="refsect1-function.gnupg-decryptverify-returnvalues">
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  84.   <h3 class="title">返回值</h3>
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  85.   <p class="para">
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  86.    On success, this function returns information about the signature and
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  87.    fills the <em><code class="parameter">plaintext</code></em> parameter with the decrypted text.
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  88.    On failure, this function returns <strong><code>FALSE</code></strong>.
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  89.   </p>
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  90.  </div>
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  93.  <div class="refsect1 examples" id="refsect1-function.gnupg-decryptverify-examples">
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  94.   <h3 class="title">范例</h3>
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  95.   <p class="para">
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  96.    <div class="example" id="example-3304">
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  97.     <p><strong>Example #1 Procedural  <span class="function"><strong>gnupg_decryptverify()</strong></span> example</strong></p>
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  98.     <div class="example-contents">
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  99. <div class="phpcode"><code><span style="color: #000000">
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  100. <span style="color: #0000BB">&lt;?php<br />$plaintext&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">""</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$res&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">gnupg_init</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">gnupg_adddecryptkey</span><span style="color: #007700">(</span><span style="color: #0000BB">$res</span><span style="color: #007700">,</span><span style="color: #DD0000">"8660281B6051D071D94B5B230549F9DC851566DC"</span><span style="color: #007700">,</span><span style="color: #DD0000">"test"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$info&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">gnupg_decryptverify</span><span style="color: #007700">(</span><span style="color: #0000BB">$res</span><span style="color: #007700">,</span><span style="color: #0000BB">$text</span><span style="color: #007700">,</span><span style="color: #0000BB">$plaintext</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$info</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
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  101. </span>
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  102. </code></div>
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  103.     </div>
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  105.    </div>
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  106.    <div class="example" id="example-3305">
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  107.     <p><strong>Example #2 OO  <span class="function"><strong>gnupg_decryptverify()</strong></span> example</strong></p>
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  108.     <div class="example-contents">
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  109. <div class="phpcode"><code><span style="color: #000000">
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  110. <span style="color: #0000BB">&lt;?php<br />$plaintext&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">""</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$gpg&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">gnupg</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$gpg&nbsp;</span><span style="color: #007700">-&gt;&nbsp;</span><span style="color: #0000BB">adddecryptkey</span><span style="color: #007700">(</span><span style="color: #DD0000">"8660281B6051D071D94B5B230549F9DC851566DC"</span><span style="color: #007700">,</span><span style="color: #DD0000">"test"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$info&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">$gpg&nbsp;</span><span style="color: #007700">-&gt;&nbsp;</span><span style="color: #0000BB">decryptverify</span><span style="color: #007700">(</span><span style="color: #0000BB">$text</span><span style="color: #007700">,</span><span style="color: #0000BB">$plaintext</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$info</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
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  111. </span>
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  112. </code></div>
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  113.     </div>
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  114. 

  115.    </div>
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  116.   </p>
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  122.  <div class="up"><a href="ref.gnupg.html">GnuPG 函数</a></div>
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