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<title>SSL_session_reused</title>
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<ul id="index">
<li><a href="#NAME">NAME</a></li>
<li><a href="#SYNOPSIS">SYNOPSIS</a></li>
<li><a href="#DESCRIPTION">DESCRIPTION</a></li>
<li><a href="#NOTES">NOTES</a></li>
<li><a href="#RETURN-VALUES">RETURN VALUES</a></li>
<li><a href="#SEE-ALSO">SEE ALSO</a></li>
<li><a href="#COPYRIGHT">COPYRIGHT</a></li>
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<h1 id="NAME">NAME</h1>
<p>SSL_session_reused - query whether a reused session was negotiated during handshake</p>
<h1 id="SYNOPSIS">SYNOPSIS</h1>
<pre><code> #include <openssl/ssl.h>
int SSL_session_reused(const SSL *ssl);</code></pre>
<h1 id="DESCRIPTION">DESCRIPTION</h1>
<p>Query, whether a reused session was negotiated during the handshake.</p>
<h1 id="NOTES">NOTES</h1>
<p>During the negotiation, a client can propose to reuse a session. The server then looks up the session in its cache. If both client and server agree on the session, it will be reused and a flag is being set that can be queried by the application.</p>
<h1 id="RETURN-VALUES">RETURN VALUES</h1>
<p>The following return values can occur:</p>
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<dt id="pod0">0</dt>
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<p>A new session was negotiated.</p>
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<dt id="pod1">1</dt>
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<p>A session was reused.</p>
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<h1 id="SEE-ALSO">SEE ALSO</h1>
<p><a href="../man7/ssl.html">ssl(7)</a>, <a href="../man3/SSL_set_session.html">SSL_set_session(3)</a>, <a href="../man3/SSL_CTX_set_session_cache_mode.html">SSL_CTX_set_session_cache_mode(3)</a></p>
<h1 id="COPYRIGHT">COPYRIGHT</h1>
<p>Copyright 2001-2019 The OpenSSL Project Authors. All Rights Reserved.</p>
<p>Licensed under the OpenSSL license (the "License"). You may not use this file except in compliance with the License. You can obtain a copy in the file LICENSE in the source distribution or at <a href="https://www.openssl.org/source/license.html">https://www.openssl.org/source/license.html</a>.</p>
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