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<div class="section" id="module-gevent.ssl">
<span id="gevent-ssl-ssl-wrapper-for-socket-objects"></span><h1><a class="reference internal" href="#module-gevent.ssl" title="gevent.ssl"><tt class="xref py py-mod docutils literal"><span class="pre">gevent.ssl</span></tt></a> – SSL wrapper for socket objects<a class="headerlink" href="#module-gevent.ssl" title="Permalink to this headline">¶</a></h1>
<p>For the documentation, refer to <a class="reference external" href="http://docs.python.org/library/ssl.html#module-ssl" title="(in Python v2.7)"><tt class="xref py py-mod docutils literal"><span class="pre">ssl</span></tt></a> module manual.</p>
<p>This module implements cooperative SSL socket wrappers.
On Python 2.6 and newer it uses Python’s native <a class="reference external" href="http://docs.python.org/library/ssl.html#module-ssl" title="(in Python v2.7)"><tt class="xref py py-mod docutils literal"><span class="pre">ssl</span></tt></a> module. On Python 2.5 and 2.4
it requires <a class="reference external" href="http://pypi.python.org/pypi/ssl">ssl package</a> to be installed.</p>
<dl class="class">
<dt id="gevent.ssl.SSLSocket">
<em class="property">class </em><tt class="descclassname">gevent.ssl.</tt><tt class="descname">SSLSocket</tt><big>(</big><em>sock</em>, <em>keyfile=None</em>, <em>certfile=None</em>, <em>server_side=False</em>, <em>cert_reqs=0</em>, <em>ssl_version=2</em>, <em>ca_certs=None</em>, <em>do_handshake_on_connect=True</em>, <em>suppress_ragged_eofs=True</em>, <em>ciphers=None</em><big>)</big><a class="headerlink" href="#gevent.ssl.SSLSocket" title="Permalink to this definition">¶</a></dt>
<dd><dl class="method">
<dt id="gevent.ssl.SSLSocket.read">
<tt class="descname">read</tt><big>(</big><em>len=1024</em><big>)</big><a class="headerlink" href="#gevent.ssl.SSLSocket.read" title="Permalink to this definition">¶</a></dt>
<dd><p>Read up to LEN bytes and return them.
Return zero-length string on EOF.</p>
</dd></dl>
<dl class="method">
<dt id="gevent.ssl.SSLSocket.write">
<tt class="descname">write</tt><big>(</big><em>data</em><big>)</big><a class="headerlink" href="#gevent.ssl.SSLSocket.write" title="Permalink to this definition">¶</a></dt>
<dd><p>Write DATA to the underlying SSL channel. Returns
number of bytes of DATA actually transmitted.</p>
</dd></dl>
<dl class="method">
<dt id="gevent.ssl.SSLSocket.getpeercert">
<tt class="descname">getpeercert</tt><big>(</big><em>binary_form=False</em><big>)</big><a class="headerlink" href="#gevent.ssl.SSLSocket.getpeercert" title="Permalink to this definition">¶</a></dt>
<dd><p>Returns a formatted version of the data in the
certificate provided by the other end of the SSL channel.
Return None if no certificate was provided, {} if a
certificate was provided, but not validated.</p>
</dd></dl>
<dl class="method">
<dt id="gevent.ssl.SSLSocket.cipher">
<tt class="descname">cipher</tt><big>(</big><big>)</big><a class="headerlink" href="#gevent.ssl.SSLSocket.cipher" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="gevent.ssl.SSLSocket.send">
<tt class="descname">send</tt><big>(</big><em>data</em>, <em>flags=0</em>, <em>timeout=<object object at 0x557dc888></em><big>)</big><a class="headerlink" href="#gevent.ssl.SSLSocket.send" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="gevent.ssl.SSLSocket.sendto">
<tt class="descname">sendto</tt><big>(</big><em>*args</em><big>)</big><a class="headerlink" href="#gevent.ssl.SSLSocket.sendto" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="gevent.ssl.SSLSocket.recv">
<tt class="descname">recv</tt><big>(</big><em>buflen=1024</em>, <em>flags=0</em><big>)</big><a class="headerlink" href="#gevent.ssl.SSLSocket.recv" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="gevent.ssl.SSLSocket.recv_into">
<tt class="descname">recv_into</tt><big>(</big><em>buffer</em>, <em>nbytes=None</em>, <em>flags=0</em><big>)</big><a class="headerlink" href="#gevent.ssl.SSLSocket.recv_into" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="gevent.ssl.SSLSocket.recvfrom">
<tt class="descname">recvfrom</tt><big>(</big><em>*args</em><big>)</big><a class="headerlink" href="#gevent.ssl.SSLSocket.recvfrom" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="gevent.ssl.SSLSocket.recvfrom_into">
<tt class="descname">recvfrom_into</tt><big>(</big><em>*args</em><big>)</big><a class="headerlink" href="#gevent.ssl.SSLSocket.recvfrom_into" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="gevent.ssl.SSLSocket.pending">
<tt class="descname">pending</tt><big>(</big><big>)</big><a class="headerlink" href="#gevent.ssl.SSLSocket.pending" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="gevent.ssl.SSLSocket.unwrap">
<tt class="descname">unwrap</tt><big>(</big><big>)</big><a class="headerlink" href="#gevent.ssl.SSLSocket.unwrap" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="gevent.ssl.SSLSocket.shutdown">
<tt class="descname">shutdown</tt><big>(</big><em>how</em><big>)</big><a class="headerlink" href="#gevent.ssl.SSLSocket.shutdown" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="gevent.ssl.SSLSocket.close">
<tt class="descname">close</tt><big>(</big><big>)</big><a class="headerlink" href="#gevent.ssl.SSLSocket.close" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="method">
<dt id="gevent.ssl.SSLSocket.do_handshake">
<tt class="descname">do_handshake</tt><big>(</big><big>)</big><a class="headerlink" href="#gevent.ssl.SSLSocket.do_handshake" title="Permalink to this definition">¶</a></dt>
<dd><p>Perform a TLS/SSL handshake.</p>
</dd></dl>
<dl class="method">
<dt id="gevent.ssl.SSLSocket.connect">
<tt class="descname">connect</tt><big>(</big><em>addr</em><big>)</big><a class="headerlink" href="#gevent.ssl.SSLSocket.connect" title="Permalink to this definition">¶</a></dt>
<dd><p>Connects to remote ADDR, and then wraps the connection in
an SSL channel.</p>
</dd></dl>
<dl class="method">
<dt id="gevent.ssl.SSLSocket.accept">
<tt class="descname">accept</tt><big>(</big><big>)</big><a class="headerlink" href="#gevent.ssl.SSLSocket.accept" title="Permalink to this definition">¶</a></dt>
<dd><p>Accepts a new connection from a remote client, and returns
a tuple containing that new connection wrapped with a server-side
SSL channel, and the address of the remote client.</p>
</dd></dl>
<dl class="method">
<dt id="gevent.ssl.SSLSocket.makefile">
<tt class="descname">makefile</tt><big>(</big><em>mode='r'</em>, <em>bufsize=-1</em><big>)</big><a class="headerlink" href="#gevent.ssl.SSLSocket.makefile" title="Permalink to this definition">¶</a></dt>
<dd><p>Make and return a file-like object that
works with the SSL connection. Just use the code
from the socket module.</p>
</dd></dl>
</dd></dl>
<dl class="function">
<dt id="gevent.ssl.wrap_socket">
<tt class="descclassname">gevent.ssl.</tt><tt class="descname">wrap_socket</tt><big>(</big><em>sock</em>, <em>keyfile=None</em>, <em>certfile=None</em>, <em>server_side=False</em>, <em>cert_reqs=0</em>, <em>ssl_version=2</em>, <em>ca_certs=None</em>, <em>do_handshake_on_connect=True</em>, <em>suppress_ragged_eofs=True</em>, <em>ciphers=None</em><big>)</big><a class="headerlink" href="#gevent.ssl.wrap_socket" title="Permalink to this definition">¶</a></dt>
<dd><p>Create a new <a class="reference internal" href="#gevent.ssl.SSLSocket" title="gevent.ssl.SSLSocket"><tt class="xref py py-class docutils literal"><span class="pre">SSLSocket</span></tt></a> instance.</p>
</dd></dl>
<dl class="function">
<dt id="gevent.ssl.get_server_certificate">
<tt class="descclassname">gevent.ssl.</tt><tt class="descname">get_server_certificate</tt><big>(</big><em>addr</em>, <em>ssl_version=1</em>, <em>ca_certs=None</em><big>)</big><a class="headerlink" href="#gevent.ssl.get_server_certificate" title="Permalink to this definition">¶</a></dt>
<dd><p>Retrieve the certificate from the server at the specified address,
and return it as a PEM-encoded string.
If ‘ca_certs’ is specified, validate the server cert against it.
If ‘ssl_version’ is specified, use it in the connection attempt.</p>
</dd></dl>
<dl class="function">
<dt id="gevent.ssl.sslwrap_simple">
<tt class="descclassname">gevent.ssl.</tt><tt class="descname">sslwrap_simple</tt><big>(</big><em>sock</em>, <em>keyfile=None</em>, <em>certfile=None</em><big>)</big><a class="headerlink" href="#gevent.ssl.sslwrap_simple" title="Permalink to this definition">¶</a></dt>
<dd><p>A replacement for the old socket.ssl function. Designed
for compability with Python 2.5 and earlier. Will disappear in
Python 3.0.</p>
</dd></dl>
<dl class="exception">
<dt id="gevent.ssl.SSLError">
<em class="property">exception </em><tt class="descclassname">gevent.ssl.</tt><tt class="descname">SSLError</tt><a class="headerlink" href="#gevent.ssl.SSLError" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="function">
<dt id="gevent.ssl.RAND_status">
<tt class="descclassname">gevent.ssl.</tt><tt class="descname">RAND_status</tt><big>(</big><big>)</big> → 0 or 1<a class="headerlink" href="#gevent.ssl.RAND_status" title="Permalink to this definition">¶</a></dt>
<dd><p>Returns 1 if the OpenSSL PRNG has been seeded with enough data and 0 if not.
It is necessary to seed the PRNG with RAND_add() on some platforms before
using the ssl() function.</p>
</dd></dl>
<dl class="function">
<dt id="gevent.ssl.RAND_egd">
<tt class="descclassname">gevent.ssl.</tt><tt class="descname">RAND_egd</tt><big>(</big><em>path</em><big>)</big> → bytes<a class="headerlink" href="#gevent.ssl.RAND_egd" title="Permalink to this definition">¶</a></dt>
<dd><p>Queries the entropy gather daemon (EGD) on the socket named by ‘path’.
Returns number of bytes read. Raises SSLError if connection to EGD
fails or if it does not provide enough data to seed PRNG.</p>
</dd></dl>
<dl class="function">
<dt id="gevent.ssl.RAND_add">
<tt class="descclassname">gevent.ssl.</tt><tt class="descname">RAND_add</tt><big>(</big><em>string</em>, <em>entropy</em><big>)</big><a class="headerlink" href="#gevent.ssl.RAND_add" title="Permalink to this definition">¶</a></dt>
<dd><p>Mix string into the OpenSSL PRNG state. entropy (a float) is a lower
bound on the entropy contained in string. See RFC 1750.</p>
</dd></dl>
<dl class="function">
<dt id="gevent.ssl.cert_time_to_seconds">
<tt class="descclassname">gevent.ssl.</tt><tt class="descname">cert_time_to_seconds</tt><big>(</big><em>cert_time</em><big>)</big><a class="headerlink" href="#gevent.ssl.cert_time_to_seconds" title="Permalink to this definition">¶</a></dt>
<dd><p>Takes a date-time string in standard ASN1_print form
(“MON DAY 24HOUR:MINUTE:SEC YEAR TIMEZONE”) and return
a Python time value in seconds past the epoch.</p>
</dd></dl>
<dl class="function">
<dt id="gevent.ssl.get_protocol_name">
<tt class="descclassname">gevent.ssl.</tt><tt class="descname">get_protocol_name</tt><big>(</big><em>protocol_code</em><big>)</big><a class="headerlink" href="#gevent.ssl.get_protocol_name" title="Permalink to this definition">¶</a></dt>
<dd></dd></dl>
<dl class="function">
<dt id="gevent.ssl.DER_cert_to_PEM_cert">
<tt class="descclassname">gevent.ssl.</tt><tt class="descname">DER_cert_to_PEM_cert</tt><big>(</big><em>der_cert_bytes</em><big>)</big><a class="headerlink" href="#gevent.ssl.DER_cert_to_PEM_cert" title="Permalink to this definition">¶</a></dt>
<dd><p>Takes a certificate in binary DER format and returns the
PEM version of it as a string.</p>
</dd></dl>
<dl class="function">
<dt id="gevent.ssl.PEM_cert_to_DER_cert">
<tt class="descclassname">gevent.ssl.</tt><tt class="descname">PEM_cert_to_DER_cert</tt><big>(</big><em>pem_cert_string</em><big>)</big><a class="headerlink" href="#gevent.ssl.PEM_cert_to_DER_cert" title="Permalink to this definition">¶</a></dt>
<dd><p>Takes a certificate in ASCII PEM format and returns the
DER-encoded version of it as a byte sequence</p>
</dd></dl>
</div>
<p><strong>Next page: <a href="gevent.select.html" title="next chapter"><tt class="docutils literal"><span class="pre">gevent.select</span></tt></a></strong></p>
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