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<a href="paramiko-module.html">Package paramiko</a> ::
Class PKey
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<!-- ==================== CLASS DESCRIPTION ==================== -->
<h1 class="epydoc">Class PKey</h1><p class="nomargin-top"><span class="codelink"><a href="paramiko-pysrc.html#PKey">source code</a></span></p>
<pre class="base-tree">
object --+
|
<strong class="uidshort">PKey</strong>
</pre>
<dl><dt>Known Subclasses:</dt>
<dd>
<ul class="subclass-list">
<li><a href="paramiko.AgentKey-class.html">AgentKey</a></li><li>, <a href="paramiko.DSSKey-class.html">DSSKey</a></li><li>, <a href="paramiko.RSAKey-class.html">RSAKey</a></li> </ul>
</dd></dl>
<hr />
<p>Base class for public keys.</p>
<!-- ==================== INSTANCE METHODS ==================== -->
<a name="section-InstanceMethods"></a>
<table class="summary" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="table-header">
<td align="left" colspan="2" class="table-header">
<span class="table-header">Instance Methods</span></td>
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<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">int</span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a href="paramiko.PKey-class.html#__cmp__" class="summary-sig-name">__cmp__</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">other</span>)</span><br />
Compare this key to another.</td>
<td align="right" valign="top">
<span class="codelink"><a href="paramiko.pkey-pysrc.html">source code</a></span>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a href="paramiko.PKey-class.html#__init__" class="summary-sig-name">__init__</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">msg</span>=<span class="summary-sig-default">None</span>,
<span class="summary-sig-arg">data</span>=<span class="summary-sig-default">None</span>)</span><br />
Create a new instance of this public key type.</td>
<td align="right" valign="top">
<span class="codelink"><a href="paramiko.pkey-pysrc.html">source code</a></span>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">str</span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a href="paramiko.PKey-class.html#__str__" class="summary-sig-name">__str__</a>(<span class="summary-sig-arg">self</span>)</span><br />
Return a string of an SSH <a href="paramiko.Message-class.html"
class="link">Message</a> made up of the public part(s) of this key.</td>
<td align="right" valign="top">
<span class="codelink"><a href="paramiko.pkey-pysrc.html">source code</a></span>
</td>
</tr>
</table>
</td>
</tr>
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<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">bool</span>
</td><td class="summary">
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<tr>
<td><span class="summary-sig"><a href="paramiko.PKey-class.html#can_sign" class="summary-sig-name">can_sign</a>(<span class="summary-sig-arg">self</span>)</span><br />
Return <code>True</code> if this key has the private part necessary
for signing data.</td>
<td align="right" valign="top">
<span class="codelink"><a href="paramiko.pkey-pysrc.html">source code</a></span>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">str</span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a href="paramiko.PKey-class.html#get_base64" class="summary-sig-name">get_base64</a>(<span class="summary-sig-arg">self</span>)</span><br />
Return a base64 string containing the public part of this key.</td>
<td align="right" valign="top">
<span class="codelink"><a href="paramiko.pkey-pysrc.html">source code</a></span>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">int</span>
</td><td class="summary">
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<tr>
<td><span class="summary-sig"><a href="paramiko.PKey-class.html#get_bits" class="summary-sig-name">get_bits</a>(<span class="summary-sig-arg">self</span>)</span><br />
Return the number of significant bits in this key.</td>
<td align="right" valign="top">
<span class="codelink"><a href="paramiko.pkey-pysrc.html">source code</a></span>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">str</span>
</td><td class="summary">
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<tr>
<td><span class="summary-sig"><a href="paramiko.PKey-class.html#get_fingerprint" class="summary-sig-name">get_fingerprint</a>(<span class="summary-sig-arg">self</span>)</span><br />
Return an MD5 fingerprint of the public part of this key.</td>
<td align="right" valign="top">
<span class="codelink"><a href="paramiko.pkey-pysrc.html">source code</a></span>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">str</span>
</td><td class="summary">
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<tr>
<td><span class="summary-sig"><a href="paramiko.PKey-class.html#get_name" class="summary-sig-name">get_name</a>(<span class="summary-sig-arg">self</span>)</span><br />
Return the name of this private key implementation.</td>
<td align="right" valign="top">
<span class="codelink"><a href="paramiko.pkey-pysrc.html">source code</a></span>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"><a href="paramiko.Message-class.html" class="link">Message</a></span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a href="paramiko.PKey-class.html#sign_ssh_data" class="summary-sig-name">sign_ssh_data</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">randpool</span>,
<span class="summary-sig-arg">data</span>)</span><br />
Sign a blob of data with this private key, and return a <a
href="paramiko.Message-class.html" class="link">Message</a>
representing an SSH signature message.</td>
<td align="right" valign="top">
<span class="codelink"><a href="paramiko.pkey-pysrc.html">source code</a></span>
</td>
</tr>
</table>
</td>
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<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type">boolean</span>
</td><td class="summary">
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<td><span class="summary-sig"><a href="paramiko.PKey-class.html#verify_ssh_sig" class="summary-sig-name">verify_ssh_sig</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">data</span>,
<span class="summary-sig-arg">msg</span>)</span><br />
Given a blob of data, and an SSH message representing a signature of
that data, verify that it was signed with this key.</td>
<td align="right" valign="top">
<span class="codelink"><a href="paramiko.pkey-pysrc.html">source code</a></span>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
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<tr>
<td><span class="summary-sig"><a href="paramiko.PKey-class.html#write_private_key" class="summary-sig-name">write_private_key</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">file_obj</span>,
<span class="summary-sig-arg">password</span>=<span class="summary-sig-default">None</span>)</span><br />
Write private key contents into a file (or file-like) object.</td>
<td align="right" valign="top">
<span class="codelink"><a href="paramiko.pkey-pysrc.html">source code</a></span>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a href="paramiko.PKey-class.html#write_private_key_file" class="summary-sig-name">write_private_key_file</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">filename</span>,
<span class="summary-sig-arg">password</span>=<span class="summary-sig-default">None</span>)</span><br />
Write private key contents into a file.</td>
<td align="right" valign="top">
<span class="codelink"><a href="paramiko.pkey-pysrc.html">source code</a></span>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td colspan="2" class="summary">
<p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
<code>__delattr__</code>,
<code>__format__</code>,
<code>__getattribute__</code>,
<code>__hash__</code>,
<code>__new__</code>,
<code>__reduce__</code>,
<code>__reduce_ex__</code>,
<code>__repr__</code>,
<code>__setattr__</code>,
<code>__sizeof__</code>,
<code>__subclasshook__</code>
</p>
</td>
</tr>
</table>
<!-- ==================== CLASS METHODS ==================== -->
<a name="section-ClassMethods"></a>
<table class="summary" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="table-header">
<td align="left" colspan="2" class="table-header">
<span class="table-header">Class Methods</span></td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"><a href="paramiko.PKey-class.html" class="link">PKey</a></span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a href="paramiko.PKey-class.html#from_private_key" class="summary-sig-name">from_private_key</a>(<span class="summary-sig-arg">cls</span>,
<span class="summary-sig-arg">file_obj</span>,
<span class="summary-sig-arg">password</span>=<span class="summary-sig-default">None</span>)</span><br />
Create a key object by reading a private key from a file (or
file-like) object.</td>
<td align="right" valign="top">
<span class="codelink"><a href="paramiko-pysrc.html#PKey.from_private_key">source code</a></span>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"><a href="paramiko.PKey-class.html" class="link">PKey</a></span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a href="paramiko.PKey-class.html#from_private_key_file" class="summary-sig-name">from_private_key_file</a>(<span class="summary-sig-arg">cls</span>,
<span class="summary-sig-arg">filename</span>,
<span class="summary-sig-arg">password</span>=<span class="summary-sig-default">None</span>)</span><br />
Create a key object by reading a private key file.</td>
<td align="right" valign="top">
<span class="codelink"><a href="paramiko-pysrc.html#PKey.from_private_key_file">source code</a></span>
</td>
</tr>
</table>
</td>
</tr>
</table>
<!-- ==================== PROPERTIES ==================== -->
<a name="section-Properties"></a>
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cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="table-header">
<td align="left" colspan="2" class="table-header">
<span class="table-header">Properties</span></td>
</tr>
<tr>
<td colspan="2" class="summary">
<p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
<code>__class__</code>
</p>
</td>
</tr>
</table>
<!-- ==================== METHOD DETAILS ==================== -->
<a name="section-MethodDetails"></a>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="table-header">
<td align="left" colspan="2" class="table-header">
<span class="table-header">Method Details</span></td>
</tr>
</table>
<a name="__cmp__"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">__cmp__</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">other</span>)</span>
<br /><em class="fname">(Comparison operator)</em>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="paramiko.pkey-pysrc.html">source code</a></span>
</td>
</tr></table>
<p>Compare this key to another. Returns 0 if this key is equivalent to
the given key, or non-0 if they are different. Only the public parts of
the key are compared, so a public key will compare equal to its
corresponding private key.</p>
<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>other</code></strong> (<a href="paramiko.PKey-class.html" class="link">PKey</a>) - key to compare to.</li>
</ul></dd>
<dt>Returns: int</dt>
<dd>0 if the two keys are equivalent, non-0 otherwise.</dd>
</dl>
</td></tr></table>
</div>
<a name="__init__"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">__init__</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">msg</span>=<span class="sig-default">None</span>,
<span class="sig-arg">data</span>=<span class="sig-default">None</span>)</span>
<br /><em class="fname">(Constructor)</em>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="paramiko.pkey-pysrc.html">source code</a></span>
</td>
</tr></table>
<p>Create a new instance of this public key type. If <code>msg</code> is
given, the key's public part(s) will be filled in from the message. If
<code>data</code> is given, the key's public part(s) will be filled in
from the string.</p>
<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>msg</code></strong> (<a href="paramiko.Message-class.html" class="link">Message</a>) - an optional SSH <a href="paramiko.Message-class.html"
class="link">Message</a> containing a public key of this type.</li>
<li><strong class="pname"><code>data</code></strong> (str) - an optional string containing a public key of this type</li>
</ul></dd>
<dt>Raises:</dt>
<dd><ul class="nomargin-top">
<li><code><strong class='fraise'><a href="paramiko.SSHException-class.html">SSHException</a></strong></code> - if a key cannot be created from the <code>data</code> or
<code>msg</code> given, or no key was passed in.</li>
</ul></dd>
<dt>Overrides:
object.__init__
</dt>
</dl>
</td></tr></table>
</div>
<a name="__str__"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">__str__</span>(<span class="sig-arg">self</span>)</span>
<br /><em class="fname">(Informal representation operator)</em>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="paramiko.pkey-pysrc.html">source code</a></span>
</td>
</tr></table>
<p>Return a string of an SSH <a href="paramiko.Message-class.html"
class="link">Message</a> made up of the public part(s) of this key. This
string is suitable for passing to <a
href="paramiko.AgentKey-class.html#__init__" class="link">__init__</a> to
re-create the key object later.</p>
<dl class="fields">
<dt>Returns: str</dt>
<dd>string representation of an SSH key message.</dd>
<dt>Overrides:
object.__str__
</dt>
</dl>
</td></tr></table>
</div>
<a name="can_sign"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">can_sign</span>(<span class="sig-arg">self</span>)</span>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="paramiko.pkey-pysrc.html">source code</a></span>
</td>
</tr></table>
<p>Return <code>True</code> if this key has the private part necessary
for signing data.</p>
<dl class="fields">
<dt>Returns: bool</dt>
<dd><code>True</code> if this is a private key.</dd>
</dl>
</td></tr></table>
</div>
<a name="from_private_key"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">from_private_key</span>(<span class="sig-arg">cls</span>,
<span class="sig-arg">file_obj</span>,
<span class="sig-arg">password</span>=<span class="sig-default">None</span>)</span>
<br /><em class="fname">Class Method</em>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="paramiko-pysrc.html#PKey.from_private_key">source code</a></span>
</td>
</tr></table>
<p>Create a key object by reading a private key from a file (or
file-like) object. If the private key is encrypted and
<code>password</code> is not <code>None</code>, the given password will
be used to decrypt the key (otherwise <a
href="paramiko.PasswordRequiredException-class.html"
class="link">PasswordRequiredException</a> is thrown).</p>
<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>file_obj</code></strong> (file) - the file to read from</li>
<li><strong class="pname"><code>password</code></strong> (str) - an optional password to use to decrypt the key, if it's encrypted</li>
</ul></dd>
<dt>Returns: <a href="paramiko.PKey-class.html" class="link">PKey</a></dt>
<dd>a new key object based on the given private key</dd>
<dt>Raises:</dt>
<dd><ul class="nomargin-top">
<li><code><strong class='fraise'>IOError</strong></code> - if there was an error reading the key</li>
<li><code><strong class='fraise'><a href="paramiko.PasswordRequiredException-class.html">PasswordRequiredException</a></strong></code> - if the private key file is encrypted, and <code>password</code> is
<code>None</code></li>
<li><code><strong class='fraise'><a href="paramiko.SSHException-class.html">SSHException</a></strong></code> - if the key file is invalid</li>
</ul></dd>
</dl>
</td></tr></table>
</div>
<a name="from_private_key_file"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">from_private_key_file</span>(<span class="sig-arg">cls</span>,
<span class="sig-arg">filename</span>,
<span class="sig-arg">password</span>=<span class="sig-default">None</span>)</span>
<br /><em class="fname">Class Method</em>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="paramiko-pysrc.html#PKey.from_private_key_file">source code</a></span>
</td>
</tr></table>
<p>Create a key object by reading a private key file. If the private key
is encrypted and <code>password</code> is not <code>None</code>, the
given password will be used to decrypt the key (otherwise <a
href="paramiko.PasswordRequiredException-class.html"
class="link">PasswordRequiredException</a> is thrown). Through the magic
of python, this factory method will exist in all subclasses of PKey (such
as <a href="paramiko.RSAKey-class.html" class="link">RSAKey</a> or <a
href="paramiko.DSSKey-class.html" class="link">DSSKey</a>), but is
useless on the abstract PKey class.</p>
<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>filename</code></strong> (str) - name of the file to read</li>
<li><strong class="pname"><code>password</code></strong> (str) - an optional password to use to decrypt the key file, if it's
encrypted</li>
</ul></dd>
<dt>Returns: <a href="paramiko.PKey-class.html" class="link">PKey</a></dt>
<dd>a new key object based on the given private key</dd>
<dt>Raises:</dt>
<dd><ul class="nomargin-top">
<li><code><strong class='fraise'>IOError</strong></code> - if there was an error reading the file</li>
<li><code><strong class='fraise'><a href="paramiko.PasswordRequiredException-class.html">PasswordRequiredException</a></strong></code> - if the private key file is encrypted, and <code>password</code> is
<code>None</code></li>
<li><code><strong class='fraise'><a href="paramiko.SSHException-class.html">SSHException</a></strong></code> - if the key file is invalid</li>
</ul></dd>
</dl>
</td></tr></table>
</div>
<a name="get_base64"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">get_base64</span>(<span class="sig-arg">self</span>)</span>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="paramiko.pkey-pysrc.html">source code</a></span>
</td>
</tr></table>
<p>Return a base64 string containing the public part of this key.
Nothing secret is revealed. This format is compatible with that used to
store public key files or recognized host keys.</p>
<dl class="fields">
<dt>Returns: str</dt>
<dd>a base64 string containing the public part of the key.</dd>
</dl>
</td></tr></table>
</div>
<a name="get_bits"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">get_bits</span>(<span class="sig-arg">self</span>)</span>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="paramiko.pkey-pysrc.html">source code</a></span>
</td>
</tr></table>
<p>Return the number of significant bits in this key. This is useful for
judging the relative security of a key.</p>
<dl class="fields">
<dt>Returns: int</dt>
<dd>bits in the key.</dd>
</dl>
</td></tr></table>
</div>
<a name="get_fingerprint"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">get_fingerprint</span>(<span class="sig-arg">self</span>)</span>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="paramiko.pkey-pysrc.html">source code</a></span>
</td>
</tr></table>
<p>Return an MD5 fingerprint of the public part of this key. Nothing
secret is revealed.</p>
<dl class="fields">
<dt>Returns: str</dt>
<dd>a 16-byte string (binary) of the MD5 fingerprint, in SSH format.</dd>
</dl>
</td></tr></table>
</div>
<a name="get_name"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">get_name</span>(<span class="sig-arg">self</span>)</span>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="paramiko.pkey-pysrc.html">source code</a></span>
</td>
</tr></table>
<p>Return the name of this private key implementation.</p>
<dl class="fields">
<dt>Returns: str</dt>
<dd>name of this private key type, in SSH terminology (for example,
<code>"ssh-rsa"</code>).</dd>
</dl>
</td></tr></table>
</div>
<a name="sign_ssh_data"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">sign_ssh_data</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">randpool</span>,
<span class="sig-arg">data</span>)</span>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="paramiko.pkey-pysrc.html">source code</a></span>
</td>
</tr></table>
<p>Sign a blob of data with this private key, and return a <a
href="paramiko.Message-class.html" class="link">Message</a> representing
an SSH signature message.</p>
<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>randpool</code></strong> (<code class="link">Crypto.Util.randpool.RandomPool</code>) - a secure random number generator.</li>
<li><strong class="pname"><code>data</code></strong> (str) - the data to sign.</li>
</ul></dd>
<dt>Returns: <a href="paramiko.Message-class.html" class="link">Message</a></dt>
<dd>an SSH signature message.</dd>
</dl>
</td></tr></table>
</div>
<a name="verify_ssh_sig"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">verify_ssh_sig</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">data</span>,
<span class="sig-arg">msg</span>)</span>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="paramiko.pkey-pysrc.html">source code</a></span>
</td>
</tr></table>
<p>Given a blob of data, and an SSH message representing a signature of
that data, verify that it was signed with this key.</p>
<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>data</code></strong> (str) - the data that was signed.</li>
<li><strong class="pname"><code>msg</code></strong> (<a href="paramiko.Message-class.html" class="link">Message</a>) - an SSH signature message</li>
</ul></dd>
<dt>Returns: boolean</dt>
<dd><code>True</code> if the signature verifies correctly;
<code>False</code> otherwise.</dd>
</dl>
</td></tr></table>
</div>
<a name="write_private_key"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">write_private_key</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">file_obj</span>,
<span class="sig-arg">password</span>=<span class="sig-default">None</span>)</span>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="paramiko.pkey-pysrc.html">source code</a></span>
</td>
</tr></table>
<p>Write private key contents into a file (or file-like) object. If the
password is not <code>None</code>, the key is encrypted before
writing.</p>
<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>file_obj</code></strong> (file) - the file object to write into</li>
<li><strong class="pname"><code>password</code></strong> (str) - an optional password to use to encrypt the key</li>
</ul></dd>
<dt>Raises:</dt>
<dd><ul class="nomargin-top">
<li><code><strong class='fraise'>IOError</strong></code> - if there was an error writing to the file</li>
<li><code><strong class='fraise'><a href="paramiko.SSHException-class.html">SSHException</a></strong></code> - if the key is invalid</li>
</ul></dd>
</dl>
</td></tr></table>
</div>
<a name="write_private_key_file"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
<tr><td>
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">write_private_key_file</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">filename</span>,
<span class="sig-arg">password</span>=<span class="sig-default">None</span>)</span>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="paramiko.pkey-pysrc.html">source code</a></span>
</td>
</tr></table>
<p>Write private key contents into a file. If the password is not
<code>None</code>, the key is encrypted before writing.</p>
<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>filename</code></strong> (str) - name of the file to write</li>
<li><strong class="pname"><code>password</code></strong> (str) - an optional password to use to encrypt the key file</li>
</ul></dd>
<dt>Raises:</dt>
<dd><ul class="nomargin-top">
<li><code><strong class='fraise'>IOError</strong></code> - if there was an error writing the file</li>
<li><code><strong class='fraise'><a href="paramiko.SSHException-class.html">SSHException</a></strong></code> - if the key is invalid</li>
</ul></dd>
</dl>
</td></tr></table>
</div>
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