222 lines
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<div id="projectname">SSLClient
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 <span id="projectnumber">v1.6.9</span>
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<a href="#pub-methods">Public Member Functions</a> |
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<div class="title">SSLSession Class Reference</div> </div>
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<p>This class stores values which allow <a class="el" href="class_s_s_l_client.html" title="The main SSLClient class. Check out README.md for more info.">SSLClient</a> to save and resume SSL sessions.
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<a href="class_s_s_l_session.html#details">More...</a></p>
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<p><code>#include <<a class="el" href="_s_s_l_session_8h_source.html">SSLSession.h</a>></code></p>
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Inheritance diagram for SSLSession:</div>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:a0c8e01b0944c1f4b0ec6d4c423c95b74"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_s_s_l_session.html#a0c8e01b0944c1f4b0ec6d4c423c95b74">SSLSession</a> (const char *hostname)</td></tr>
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<tr class="memdesc:a0c8e01b0944c1f4b0ec6d4c423c95b74"><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="class_s_s_l_session.html" title="This class stores values which allow SSLClient to save and resume SSL sessions.">SSLSession</a> constructor. <a href="class_s_s_l_session.html#a0c8e01b0944c1f4b0ec6d4c423c95b74">More...</a><br /></td></tr>
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<tr class="memitem:a825373c5ba1aa6c45e74dc8a72b21820"><td class="memItemLeft" align="right" valign="top">const String & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_s_s_l_session.html#a825373c5ba1aa6c45e74dc8a72b21820">get_hostname</a> () const</td></tr>
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<tr class="memdesc:a825373c5ba1aa6c45e74dc8a72b21820"><td class="mdescLeft"> </td><td class="mdescRight">Get the hostname string associated with this session. <a href="class_s_s_l_session.html#a825373c5ba1aa6c45e74dc8a72b21820">More...</a><br /></td></tr>
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<tr class="separator:a825373c5ba1aa6c45e74dc8a72b21820"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:acbe6549b55d50541d09a16f770e65afc"><td class="memItemLeft" align="right" valign="top">br_ssl_session_parameters * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_s_s_l_session.html#acbe6549b55d50541d09a16f770e65afc">to_br_session</a> ()</td></tr>
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<tr class="memdesc:acbe6549b55d50541d09a16f770e65afc"><td class="mdescLeft"> </td><td class="mdescRight">Returns a pointer to the ::br_ssl_session_parameters component of this class. <a href="class_s_s_l_session.html#acbe6549b55d50541d09a16f770e65afc">More...</a><br /></td></tr>
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<tr class="separator:acbe6549b55d50541d09a16f770e65afc"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>This class stores values which allow <a class="el" href="class_s_s_l_client.html" title="The main SSLClient class. Check out README.md for more info.">SSLClient</a> to save and resume SSL sessions. </p>
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<p><a class="el" href="_s_s_l_session_8h.html">SSLSession.h</a></p>
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<p>This file contains a simple utility class to store parameters about an SSL Session for reuse later.</p>
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<p>This class was created to extend the values stored in br_ssl_session_parameters, which allow BearSSL to resume an SSL session. When testing BearSSL's session resumption feature, it was observed that BearSSL can only resume a session that was was started with the same server. This becomes an issue when using repeated requests to a domain name which can resolve to multiple IP addresses ("api.github.com"), as the device will switch between two or three servers. Since BearSSL only stores one session at a time, this results in session resumption being few and far between.</p>
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<p>To remedy this problem, an <a class="el" href="class_s_s_l_session.html" title="This class stores values which allow SSLClient to save and resume SSL sessions.">SSLSession</a> stores the IPAddress and hostname, along with the parameters in br_ssl_session_parameters struct. Using this data, <a class="el" href="class_s_s_l_client.html" title="The main SSLClient class. Check out README.md for more info.">SSLClient</a> is able to remember which IPAddress is associated with which session, allowing it to reconnect to the last IPAddress, as opposed to any associated with the domain. </p>
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</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<a id="a0c8e01b0944c1f4b0ec6d4c423c95b74"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a0c8e01b0944c1f4b0ec6d4c423c95b74">◆ </a></span>SSLSession()</h2>
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<td class="memname">SSLSession::SSLSession </td>
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<td>(</td>
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<td class="paramtype">const char * </td>
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<td class="paramname"><em>hostname</em></td><td>)</td>
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<p><a class="el" href="class_s_s_l_session.html" title="This class stores values which allow SSLClient to save and resume SSL sessions.">SSLSession</a> constructor. </p>
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<p>Sets all parameters to zero, and invalidates the session </p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<a id="a825373c5ba1aa6c45e74dc8a72b21820"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a825373c5ba1aa6c45e74dc8a72b21820">◆ </a></span>get_hostname()</h2>
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<td class="memname">const String& SSLSession::get_hostname </td>
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<td>(</td>
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<td class="paramname"></td><td>)</td>
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<td> const</td>
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<p>Get the hostname string associated with this session. </p>
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<dl class="section return"><dt>Returns</dt><dd>A String object or "" if there is no hostname </dd></dl>
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<dl class="section pre"><dt>Precondition</dt><dd>must check isValidSession before getting this value, as if this session in invalid this value is not guarenteed to be reset to "". </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#acbe6549b55d50541d09a16f770e65afc">◆ </a></span>to_br_session()</h2>
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<td class="memname">br_ssl_session_parameters* SSLSession::to_br_session </td>
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<td>(</td>
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<p>Returns a pointer to the ::br_ssl_session_parameters component of this class. </p>
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</div>
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<hr/>The documentation for this class was generated from the following file:<ul>
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<li>src/<a class="el" href="_s_s_l_session_8h_source.html">SSLSession.h</a></li>
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