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116 lines
4.2 KiB
HTML
116 lines
4.2 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>使用私钥解密数据</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-private-decrypt" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">openssl_private_decrypt</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_private_decrypt</span> — <span class="dc-title"> 使用私钥解密数据 </span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.openssl-private-decrypt-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_private_decrypt</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$data</code></span>
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, <span class="methodparam"><span class="type">string</span> <code class="parameter reference">&$decrypted</code></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">$key</code></span>
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[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$padding</code><span class="initializer"> = OPENSSL_PKCS1_PADDING</span></span>
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] ) : <span class="type">bool</span></div>
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<div class="caution"><strong class="caution">Caution</strong><p class="para">本函数并不会生成安全加密的值，不应用于加密用途。若需要安全加密的值，考虑使用<span class="function"><a href="openssl_random_pseudo_bytes.html" class="function">openssl_random_pseudo_bytes()</a></span>。</p></div>
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<p class="para">
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<span class="function"><strong>openssl_private_decrypt()</strong></span> 解密先前通过 <span class="function"><a href="openssl_public_encrypt.html" class="function">openssl_public_encrypt()</a></span> 函数加密的
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<code class="parameter">data</code> 并将结果保存至<code class="parameter">decrypted</code>变量中。
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</p>
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<p class="para">
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你可以用该函数来解密只对你可用的数据。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.openssl-private-decrypt-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">data</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">decrypted</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">key</code></dt>
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<dd>
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<p class="para">
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<code class="parameter">key</code> 必须是和用来加密数据所用公钥对应的私钥。
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</p>
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</dd>
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<dt>
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<code class="parameter">padding</code></dt>
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<dd>
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<p class="para">
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<code class="parameter">padding</code> 可以是如下值：
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<strong><code>OPENSSL_PKCS1_PADDING</code></strong>,
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<strong><code>OPENSSL_SSLV23_PADDING</code></strong>,
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<strong><code>OPENSSL_PKCS1_OAEP_PADDING</code></strong>,
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<strong><code>OPENSSL_NO_PADDING</code></strong>.
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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-private-decrypt-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 class="refsect1 seealso" id="refsect1-function.openssl-private-decrypt-seealso">
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<h3 class="title">参见</h3>
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<p class="para">
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<ul class="simplelist">
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<li class="member"><span class="function"><a href="openssl_public_encrypt.html" class="function" rel="rdfs-seeAlso">openssl_public_encrypt()</a> - 使用公钥加密数据</span></li>
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<li class="member"><span class="function"><a href="openssl_public_decrypt.html" class="function" rel="rdfs-seeAlso">openssl_public_decrypt()</a> - 使用公钥解密数据</span></li>
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</ul>
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</p>
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</div>
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</div></div></div></body></html> |