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112 lines
3.8 KiB
HTML
112 lines
3.8 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>使用私钥加密数据</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-encrypt" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">openssl_private_encrypt</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_encrypt</span> — <span class="dc-title">使用私钥加密数据</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.openssl-private-encrypt-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_encrypt</strong></span>
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( <span class="methodparam"><span class="type">string</span> <code class="parameter">$data</code></span>
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, <span class="methodparam"><span class="type">string</span> <code class="parameter reference">&$crypted</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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<p class="para rdfs-comment">
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<span class="function"><strong>openssl_private_encrypt()</strong></span> 使用私钥 <code class="parameter">key</code> 加密数据 <code class="parameter">data</code>
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并且将结果保存至变量 <code class="parameter">crypted</code>中。加密后的数据可以通过<span class="function"><a href="openssl_public_decrypt.html" class="function">openssl_public_decrypt()</a></span>函数来解密。
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</p>
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<p class="para">
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该函数用来签名数据（或者哈希）让别人相信数据并不是其他人写的。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.openssl-private-encrypt-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">crypted</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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</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> 可以是如下之一：
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<strong><code>OPENSSL_PKCS1_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-encrypt-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-encrypt-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> |