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<a name="boost_asio.reference.ssl__context.set_verify_callback.overload2"></a><a class="link" href="overload2.html" title="ssl::context::set_verify_callback (2 of 2 overloads)">ssl::context::set_verify_callback

(2 of 2 overloads)</a>

</h5></div></div></div>

<p>

Set the callback used to verify peer certificates.

</p>

<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span>

<span class="keyword">typename</span> <span class="identifier">VerifyCallback</span><span class="special">></span>

<span class="identifier">boost</span><span class="special">::</span><span class="identifier">system</span><span class="special">::</span><span class="identifier">error_code</span> <span class="identifier">set_verify_callback</span><span class="special">(</span>

<span class="identifier">VerifyCallback</span> <span class="identifier">callback</span><span class="special">,</span>

<span class="identifier">boost</span><span class="special">::</span><span class="identifier">system</span><span class="special">::</span><span class="identifier">error_code</span> <span class="special">&</span> <span class="identifier">ec</span><span class="special">);</span>

</pre>

<p>

This function is used to specify a callback function that will be called

by the implementation when it needs to verify a peer certificate.

</p>

<h6>

<span><a name="boost_asio.reference.ssl__context.set_verify_callback.overload2.parameters"></a></span><a class="link" href="overload2.html#boost_asio.reference.ssl__context.set_verify_callback.overload2.parameters">Parameters</a>

</h6>

<dl>

<dt><span class="term">callback</span></dt>

<dd>

<p>

The function object to be used for verifying a certificate. The

function signature of the handler must be:

</p>

<pre class="programlisting"><span class="keyword">bool</span> <span class="identifier">verify_callback</span><span class="special">(</span>

<span class="keyword">bool</span> <span class="identifier">preverified</span><span class="special">,</span> <span class="comment">// True if the certificate passed pre-verification.</span>

<span class="identifier">verify_context</span><span class="special">&</span> <span class="identifier">ctx</span> <span class="comment">// The peer certificate and other context.</span>

</pre>

<p>

The return value of the callback is true if the certificate has

passed verification, false otherwise.

</p>

</dd>

<dd><p>

Set to indicate what error occurred, if any.

</p></dd>

</dl>

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<h6>

<span><a name="boost_asio.reference.ssl__context.set_verify_callback.overload2.remarks"></a></span><a class="link" href="overload2.html#boost_asio.reference.ssl__context.set_verify_callback.overload2.remarks">Remarks</a>

</h6>

<p>

Calls <code class="computeroutput"><span class="identifier">SSL_CTX_set_verify</span></code>.

</p>

</div>

Distributed under the Boost Software License, Version 1.0. (See accompanying

file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)

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