uTools-Manuals/docs/php/openssl_public_decrypt.html
2019-04-28 19:00:34 +08:00

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<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>使用公钥解密数据</title>
</head>
<body class="docs"><div id="layout">
<div id="layout-content"><div id="function.openssl-public-decrypt" class="refentry">
<div class="refnamediv">
<h1 class="refname">openssl_public_decrypt</h1>
<p class="verinfo">(PHP 4 &gt;= 4.0.6, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">openssl_public_decrypt</span> &mdash; <span class="dc-title">使用公钥解密数据</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.openssl-public-decrypt-description">
<h3 class="title">说明</h3>
<div class="methodsynopsis dc-description">
<span class="methodname"><strong>openssl_public_decrypt</strong></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$data</code></span>
, <span class="methodparam"><span class="type">string</span> <code class="parameter reference">&$decrypted</code></span>
, <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$key</code></span>
[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$padding</code><span class="initializer"> = OPENSSL_PKCS1_PADDING</span></span>
] ) : <span class="type">bool</span></div>
<p class="para rdfs-comment">
<span class="function"><strong>openssl_public_decrypt()</strong></span> 解密先前由 <span class="function"><a href="openssl_private_encrypt.html" class="function">openssl_private_encrypt()</a></span> 加密的数据 <code class="parameter">data</code> 并且将结果保存至变量 <code class="parameter">decrypted</code>中。
</p>
<p class="para">
你可以用该函数来校验消息是否是私钥拥有者写的。
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.openssl-public-decrypt-parameters">
<h3 class="title">参数</h3>
<p class="para">
<dl>
<dt>
<code class="parameter">data</code></dt>
<dd>
<p class="para">
</p>
</dd>
<dt>
<code class="parameter">decrypted</code></dt>
<dd>
<p class="para">
</p>
</dd>
<dt>
<code class="parameter">key</code></dt>
<dd>
<p class="para">
<code class="parameter">key</code> 必须是和用来加密数据的私钥配对的公钥。
</p>
</dd>
<dt>
<code class="parameter">padding</code></dt>
<dd>
<p class="para">
<code class="parameter">padding</code> 可以是如下至
<strong><code>OPENSSL_PKCS1_PADDING</code></strong>,
<strong><code>OPENSSL_NO_PADDING</code></strong>.
</p>
</dd>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.openssl-public-decrypt-returnvalues">
<h3 class="title">返回值</h3>
<p class="para">
成功时返回 <strong><code>TRUE</code></strong> 或者在失败时返回 <strong><code>FALSE</code></strong>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.openssl-public-decrypt-seealso">
<h3 class="title">参见</h3>
<p class="para">
<ul class="simplelist">
<li class="member"><span class="function"><a href="openssl_private_encrypt.html" class="function" rel="rdfs-seeAlso">openssl_private_encrypt()</a> - 使用私钥加密数据</span></li>
<li class="member"><span class="function"><a href="openssl_private_decrypt.html" class="function" rel="rdfs-seeAlso">openssl_private_decrypt()</a> - 使用私钥解密数据</span></li>
</ul>
</p>
</div>
</div></div></div></body></html>