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<a href="paramiko-module.html">Package paramiko</a> ::
Class RSAKey
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<!-- ==================== CLASS DESCRIPTION ==================== -->
<h1 class="epydoc">Class RSAKey</h1><p class="nomargin-top"><span class="codelink"><a href="paramiko-pysrc.html#RSAKey">source code</a></span></p>
<pre class="base-tree">
object --+
|
<a href="paramiko.PKey-class.html">PKey</a> --+
|
<strong class="uidshort">RSAKey</strong>
</pre>
<hr />
<p>Representation of an RSA key which can be used to sign and verify SSH2
data.</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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<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.RSAKey-class.html#__hash__" class="summary-sig-name">__hash__</a>(<span class="summary-sig-arg">self</span>)</span><br />
hash(x)</td>
<td align="right" valign="top">
<span class="codelink"><a href="paramiko.rsakey-pysrc.html">source code</a></span>
</td>
</tr>
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</td>
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<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"> </span>
</td><td class="summary">
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<td><span class="summary-sig"><a href="paramiko.RSAKey-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 class="summary-sig-arg">filename</span>=<span class="summary-sig-default">None</span>,
<span class="summary-sig-arg">password</span>=<span class="summary-sig-default">None</span>,
<span class="summary-sig-arg">vals</span>=<span class="summary-sig-default">None</span>,
<span class="summary-sig-arg">file_obj</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.rsakey-pysrc.html">source code</a></span>
</td>
</tr>
</table>
</td>
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<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.RSAKey-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.rsakey-pysrc.html">source code</a></span>
</td>
</tr>
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</td>
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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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<td><span class="summary-sig"><a href="paramiko.RSAKey-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.rsakey-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">int</span>
</td><td class="summary">
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<td><span class="summary-sig"><a href="paramiko.RSAKey-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.rsakey-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">str</span>
</td><td class="summary">
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<td><span class="summary-sig"><a href="paramiko.RSAKey-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.rsakey-pysrc.html">source code</a></span>
</td>
</tr>
</table>
</td>
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<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">
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<td><span class="summary-sig"><a href="paramiko.RSAKey-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">rpool</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.rsakey-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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<tr>
<td><span class="summary-sig"><a href="paramiko.RSAKey-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.rsakey-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"> </span>
</td><td class="summary">
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<td><span class="summary-sig"><a href="paramiko.RSAKey-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.rsakey-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"> </span>
</td><td class="summary">
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<tr>
<td><span class="summary-sig"><a href="paramiko.RSAKey-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.rsakey-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><a href="paramiko.PKey-class.html">PKey</a></code></b>:
<code><a href="paramiko.PKey-class.html#__cmp__">__cmp__</a></code>,
<code><a href="paramiko.PKey-class.html#get_base64">get_base64</a></code>,
<code><a href="paramiko.PKey-class.html#get_fingerprint">get_fingerprint</a></code>
</p>
<p class="indent-wrapped-lines"><b>Inherited from <code>object</code></b>:
<code>__delattr__</code>,
<code>__format__</code>,
<code>__getattribute__</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 colspan="2" class="summary">
<p class="indent-wrapped-lines"><b>Inherited from <code><a href="paramiko.PKey-class.html">PKey</a></code></b>:
<code><a href="paramiko.PKey-class.html#from_private_key">from_private_key</a></code>,
<code><a href="paramiko.PKey-class.html#from_private_key_file">from_private_key_file</a></code>
</p>
</td>
</tr>
</table>
<!-- ==================== STATIC METHODS ==================== -->
<a name="section-StaticMethods"></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">Static Methods</span></td>
</tr>
<tr>
<td width="15%" align="right" valign="top" class="summary">
<span class="summary-type"><a href="paramiko.RSAKey-class.html" class="link">RSAKey</a></span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a href="paramiko.RSAKey-class.html#generate" class="summary-sig-name">generate</a>(<span class="summary-sig-arg">bits</span>,
<span class="summary-sig-arg">progress_func</span>=<span class="summary-sig-default">None</span>)</span><br />
Generate a new private RSA key.</td>
<td align="right" valign="top">
<span class="codelink"><a href="paramiko-pysrc.html#RSAKey.generate">source code</a></span>
</td>
</tr>
</table>
</td>
</tr>
</table>
<!-- ==================== PROPERTIES ==================== -->
<a name="section-Properties"></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">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="__hash__"></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">__hash__</span>(<span class="sig-arg">self</span>)</span>
<br /><em class="fname">(Hashing function)</em>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="paramiko.rsakey-pysrc.html">source code</a></span>
</td>
</tr></table>
<p>hash(x)</p>
<dl class="fields">
<dt>Overrides:
object.__hash__
<dd><em class="note">(inherited documentation)</em></dd>
</dt>
</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 class="sig-arg">filename</span>=<span class="sig-default">None</span>,
<span class="sig-arg">password</span>=<span class="sig-default">None</span>,
<span class="sig-arg">vals</span>=<span class="sig-default">None</span>,
<span class="sig-arg">file_obj</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.rsakey-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> - 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> - 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__
<dd><em class="note">(inherited documentation)</em></dd>
</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.rsakey-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__
<dd><em class="note">(inherited documentation)</em></dd>
</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.rsakey-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>
<dt>Overrides:
<a href="paramiko.PKey-class.html#can_sign">PKey.can_sign</a>
<dd><em class="note">(inherited documentation)</em></dd>
</dt>
</dl>
</td></tr></table>
</div>
<a name="generate"></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">generate</span>(<span class="sig-arg">bits</span>,
<span class="sig-arg">progress_func</span>=<span class="sig-default">None</span>)</span>
<br /><em class="fname">Static Method</em>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="paramiko-pysrc.html#RSAKey.generate">source code</a></span>
</td>
</tr></table>
<p>Generate a new private RSA key. This factory function can be used to
generate a new host key or authentication key.</p>
<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>bits</code></strong> (int) - number of bits the generated key should be.</li>
<li><strong class="pname"><code>progress_func</code></strong> (function) - an optional function to call at key points in key generation
(used by <code>pyCrypto.PublicKey</code>).</li>
</ul></dd>
<dt>Returns: <a href="paramiko.RSAKey-class.html" class="link">RSAKey</a></dt>
<dd>new private 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.rsakey-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>
<dt>Overrides:
<a href="paramiko.PKey-class.html#get_bits">PKey.get_bits</a>
<dd><em class="note">(inherited documentation)</em></dd>
</dt>
</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.rsakey-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>
<dt>Overrides:
<a href="paramiko.PKey-class.html#get_name">PKey.get_name</a>
<dd><em class="note">(inherited documentation)</em></dd>
</dt>
</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">rpool</span>,
<span class="sig-arg">data</span>)</span>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="paramiko.rsakey-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>rng</code></strong> - a secure random number generator.</li>
<li><strong class="pname"><code>data</code></strong> - 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>
<dt>Overrides:
<a href="paramiko.PKey-class.html#sign_ssh_data">PKey.sign_ssh_data</a>
<dd><em class="note">(inherited documentation)</em></dd>
</dt>
</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.rsakey-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> - the data that was signed.</li>
<li><strong class="pname"><code>msg</code></strong> - 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>
<dt>Overrides:
<a href="paramiko.PKey-class.html#verify_ssh_sig">PKey.verify_ssh_sig</a>
<dd><em class="note">(inherited documentation)</em></dd>
</dt>
</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.rsakey-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> - the file object to write into</li>
<li><strong class="pname"><code>password</code></strong> - 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>
<dt>Overrides:
<a href="paramiko.PKey-class.html#write_private_key">PKey.write_private_key</a>
<dd><em class="note">(inherited documentation)</em></dd>
</dt>
</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.rsakey-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> - name of the file to write</li>
<li><strong class="pname"><code>password</code></strong> - 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>
<dt>Overrides:
<a href="paramiko.PKey-class.html#write_private_key_file">PKey.write_private_key_file</a>
<dd><em class="note">(inherited documentation)</em></dd>
</dt>
</dl>
</td></tr></table>
</div>
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