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<div class="section" id="module-paramiko.kex_gss">
<span id="gss-api-key-exchange"></span><h1>GSS-API key exchange<a class="headerlink" href="#module-paramiko.kex_gss" title="Permalink to this headline">¶</a></h1>
<p>This module provides GSS-API / SSPI Key Exchange as defined in RFC 4462.</p>
<div class="admonition note">
<p class="first admonition-title">Note</p>
<p class="last">Credential delegation is not supported in server mode.</p>
</div>
<div class="admonition note">
<p class="first admonition-title">Note</p>
<p class="last"><a class="reference external" href="http://www.ietf.org/rfc/rfc4462.txt">RFC 4462 Section 2.2</a> says we are
not required to implement GSS-API error messages. Thus, in many methods
within this module, if an error occurs an exception will be thrown and the
connection will be terminated.</p>
</div>
<div class="admonition seealso">
<p class="first admonition-title">See also</p>
<p class="last"><a class="reference internal" href="ssh_gss.html"><em>GSS-API authentication</em></a></p>
</div>
<div class="versionadded">
<p><span class="versionmodified">New in version 1.15.</span></p>
</div>
<dl class="class">
<dt id="paramiko.kex_gss.KexGSSGroup1">
<em class="property">class </em><tt class="descclassname">paramiko.kex_gss.</tt><tt class="descname">KexGSSGroup1</tt><big>(</big><em>transport</em><big>)</big><a class="headerlink" href="#paramiko.kex_gss.KexGSSGroup1" title="Permalink to this definition">¶</a></dt>
<dd><p>GSS-API / SSPI Authenticated Diffie-Hellman Key Exchange
as defined in <a class="reference external" href="http://www.ietf.org/rfc/rfc4462.txt">RFC 4462 Section 2</a></p>
<dl class="method">
<dt id="paramiko.kex_gss.KexGSSGroup1.start_kex">
<tt class="descname">start_kex</tt><big>(</big><big>)</big><a class="headerlink" href="#paramiko.kex_gss.KexGSSGroup1.start_kex" title="Permalink to this definition">¶</a></dt>
<dd><p>Start the GSS-API / SSPI Authenticated Diffie-Hellman Key Exchange.</p>
</dd></dl>
<dl class="method">
<dt id="paramiko.kex_gss.KexGSSGroup1.parse_next">
<tt class="descname">parse_next</tt><big>(</big><em>ptype</em>, <em>m</em><big>)</big><a class="headerlink" href="#paramiko.kex_gss.KexGSSGroup1.parse_next" title="Permalink to this definition">¶</a></dt>
<dd><p>Parse the next packet.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
<li><strong>ptype</strong> (<em>char</em>) – The type of the incomming packet</li>
<li><strong>m</strong> (<em>Message</em>) – The paket content</li>
</ul>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="attribute">
<dt id="paramiko.kex_gss.KexGSSGroup1.__weakref__">
<tt class="descname">__weakref__</tt><a class="headerlink" href="#paramiko.kex_gss.KexGSSGroup1.__weakref__" title="Permalink to this definition">¶</a></dt>
<dd><p>list of weak references to the object (if defined)</p>
</dd></dl>
</dd></dl>
<dl class="class">
<dt id="paramiko.kex_gss.KexGSSGroup14">
<em class="property">class </em><tt class="descclassname">paramiko.kex_gss.</tt><tt class="descname">KexGSSGroup14</tt><big>(</big><em>transport</em><big>)</big><a class="headerlink" href="#paramiko.kex_gss.KexGSSGroup14" title="Permalink to this definition">¶</a></dt>
<dd><p>GSS-API / SSPI Authenticated Diffie-Hellman Group14 Key Exchange
as defined in <a class="reference external" href="http://www.ietf.org/rfc/rfc4462.txt">RFC 4462 Section 2</a></p>
</dd></dl>
<dl class="class">
<dt id="paramiko.kex_gss.KexGSSGex">
<em class="property">class </em><tt class="descclassname">paramiko.kex_gss.</tt><tt class="descname">KexGSSGex</tt><big>(</big><em>transport</em><big>)</big><a class="headerlink" href="#paramiko.kex_gss.KexGSSGex" title="Permalink to this definition">¶</a></dt>
<dd><p>GSS-API / SSPI Authenticated Diffie-Hellman Group Exchange
as defined in <a class="reference external" href="http://www.ietf.org/rfc/rfc4462.txt">RFC 4462 Section 2</a></p>
<dl class="method">
<dt id="paramiko.kex_gss.KexGSSGex.start_kex">
<tt class="descname">start_kex</tt><big>(</big><big>)</big><a class="headerlink" href="#paramiko.kex_gss.KexGSSGex.start_kex" title="Permalink to this definition">¶</a></dt>
<dd><p>Start the GSS-API / SSPI Authenticated Diffie-Hellman Group Exchange</p>
</dd></dl>
<dl class="method">
<dt id="paramiko.kex_gss.KexGSSGex.parse_next">
<tt class="descname">parse_next</tt><big>(</big><em>ptype</em>, <em>m</em><big>)</big><a class="headerlink" href="#paramiko.kex_gss.KexGSSGex.parse_next" title="Permalink to this definition">¶</a></dt>
<dd><p>Parse the next packet.</p>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
<li><strong>ptype</strong> (<em>char</em>) – The type of the incomming packet</li>
<li><strong>m</strong> (<em>Message</em>) – The paket content</li>
</ul>
</td>
</tr>
</tbody>
</table>
</dd></dl>
<dl class="attribute">
<dt id="paramiko.kex_gss.KexGSSGex.__weakref__">
<tt class="descname">__weakref__</tt><a class="headerlink" href="#paramiko.kex_gss.KexGSSGex.__weakref__" title="Permalink to this definition">¶</a></dt>
<dd><p>list of weak references to the object (if defined)</p>
</dd></dl>
</dd></dl>
<dl class="class">
<dt id="paramiko.kex_gss.NullHostKey">
<em class="property">class </em><tt class="descclassname">paramiko.kex_gss.</tt><tt class="descname">NullHostKey</tt><a class="headerlink" href="#paramiko.kex_gss.NullHostKey" title="Permalink to this definition">¶</a></dt>
<dd><p>This class represents the Null Host Key for GSS-API Key Exchange
as defined in <a class="reference external" href="http://www.ietf.org/rfc/rfc4462.txt">RFC 4462 Section 5</a></p>
<dl class="attribute">
<dt id="paramiko.kex_gss.NullHostKey.__weakref__">
<tt class="descname">__weakref__</tt><a class="headerlink" href="#paramiko.kex_gss.NullHostKey.__weakref__" title="Permalink to this definition">¶</a></dt>
<dd><p>list of weak references to the object (if defined)</p>
</dd></dl>
</dd></dl>
</div>
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