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<title>Checks if a private key corresponds to a certificate</title>
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<h1 class="refname">openssl_x509_check_private_key</h1>
<p class="verinfo">(PHP 4 >= 4.2.0, PHP 5)</p><p class="refpurpose"><span class="refname">openssl_x509_check_private_key</span> — <span class="dc-title">Checks if a private key corresponds to a certificate</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.openssl-x509-check-private-key-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">bool</span> <span class="methodname"><strong>openssl_x509_check_private_key</strong></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">$cert</code></span>
, <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$key</code></span>
)</div>
<p class="para rdfs-comment">
Checks whether the given <em><code class="parameter">key</code></em> is the private key
that corresponds to <em><code class="parameter">cert</code></em>.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.openssl-x509-check-private-key-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">cert</code></em></span>
<dd>
<p class="para">
The certificate.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">key</code></em></span>
<dd>
<p class="para">
The private key.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.openssl-x509-check-private-key-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns <strong><code>TRUE</code></strong> if <em><code class="parameter">key</code></em> is the private key that
corresponds to <em><code class="parameter">cert</code></em>, or <strong><code>FALSE</code></strong> otherwise.
</p>
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