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<title>SSL_SESSION_get0_id_context</title>
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<li><a href="#NAME">NAME</a></li>
<li><a href="#SYNOPSIS">SYNOPSIS</a></li>
<li><a href="#DESCRIPTION">DESCRIPTION</a></li>
<li><a href="#RETURN-VALUES">RETURN VALUES</a></li>
<li><a href="#SEE-ALSO">SEE ALSO</a></li>
<li><a href="#HISTORY">HISTORY</a></li>
<li><a href="#COPYRIGHT">COPYRIGHT</a></li>
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<h1 id="NAME">NAME</h1>
<p>SSL_SESSION_get0_id_context, SSL_SESSION_set1_id_context - get and set the SSL ID context associated with a session</p>
<h1 id="SYNOPSIS">SYNOPSIS</h1>
<pre><code> #include <openssl/ssl.h>
const unsigned char *SSL_SESSION_get0_id_context(const SSL_SESSION *s,
unsigned int *len)
int SSL_SESSION_set1_id_context(SSL_SESSION *s, const unsigned char *sid_ctx,
unsigned int sid_ctx_len);</code></pre>
<h1 id="DESCRIPTION">DESCRIPTION</h1>
<p>See <a href="../man3/SSL_CTX_set_session_id_context.html">SSL_CTX_set_session_id_context(3)</a> for further details on session ID contexts.</p>
<p>SSL_SESSION_get0_id_context() returns the ID context associated with the SSL/TLS session <b>s</b>. The length of the ID context is written to <b>*len</b> if <b>len</b> is not NULL.</p>
<p>The value returned is a pointer to an object maintained within <b>s</b> and should not be released.</p>
<p>SSL_SESSION_set1_id_context() takes a copy of the provided ID context given in <b>sid_ctx</b> and associates it with the session <b>s</b>. The length of the ID context is given by <b>sid_ctx_len</b> which must not exceed SSL_MAX_SID_CTX_LENGTH bytes.</p>
<h1 id="RETURN-VALUES">RETURN VALUES</h1>
<p>SSL_SESSION_set1_id_context() returns 1 on success or 0 on error.</p>
<h1 id="SEE-ALSO">SEE ALSO</h1>
<p><a href="../man7/ssl.html">ssl(7)</a>, <a href="../man3/SSL_set_session_id_context.html">SSL_set_session_id_context(3)</a></p>
<h1 id="HISTORY">HISTORY</h1>
<p>The SSL_SESSION_get0_id_context() function was added in OpenSSL 1.1.0.</p>
<h1 id="COPYRIGHT">COPYRIGHT</h1>
<p>Copyright 2015-2016 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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