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<a href="paramiko-module.html">Package paramiko</a> ::
Class HostKeys
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<!-- ==================== CLASS DESCRIPTION ==================== -->
<h1 class="epydoc">Class HostKeys</h1><p class="nomargin-top"><span class="codelink"><a href="paramiko-pysrc.html#HostKeys">source code</a></span></p>
<pre class="base-tree">
UserDict.DictMixin --+
|
<strong class="uidshort">HostKeys</strong>
</pre>
<hr />
<p>Representation of an openssh-style "known hosts" file. Host
keys can be read from one or more files, and then individual hosts can be
looked up to verify server keys during SSH negotiation.</p>
<p>A HostKeys object can be treated like a dict; any dict lookup is
equivalent to calling <a href="paramiko.HostKeys-class.html#lookup"
class="link">lookup</a>.</p>
<hr />
<div class="fields"> <p><strong>Since:</strong>
1.5.3
</p>
</div><!-- ==================== INSTANCE METHODS ==================== -->
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<span class="summary-type"> </span>
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<td><span class="summary-sig"><a name="__getitem__"></a><span class="summary-sig-name">__getitem__</span>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">key</span>)</span></td>
<td align="right" valign="top">
<span class="codelink"><a href="paramiko.hostkeys-pysrc.html">source code</a></span>
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<span class="summary-type"> </span>
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<td><span class="summary-sig"><a href="paramiko.HostKeys-class.html#__init__" class="summary-sig-name">__init__</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">filename</span>=<span class="summary-sig-default">None</span>)</span><br />
Create a new HostKeys object, optionally loading keys from an openssh
style host-key file.</td>
<td align="right" valign="top">
<span class="codelink"><a href="paramiko.hostkeys-pysrc.html">source code</a></span>
</td>
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<span class="summary-type"> </span>
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<tr>
<td><span class="summary-sig"><a name="__setitem__"></a><span class="summary-sig-name">__setitem__</span>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">hostname</span>,
<span class="summary-sig-arg">entry</span>)</span></td>
<td align="right" valign="top">
<span class="codelink"><a href="paramiko.hostkeys-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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<tr>
<td><span class="summary-sig"><a href="paramiko.HostKeys-class.html#add" class="summary-sig-name">add</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">hostname</span>,
<span class="summary-sig-arg">keytype</span>,
<span class="summary-sig-arg">key</span>)</span><br />
Add a host key entry to the table.</td>
<td align="right" valign="top">
<span class="codelink"><a href="paramiko.hostkeys-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">bool</span>
</td><td class="summary">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a href="paramiko.HostKeys-class.html#check" class="summary-sig-name">check</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">hostname</span>,
<span class="summary-sig-arg">key</span>)</span><br />
Return True if the given key is associated with the given hostname in
this dictionary.</td>
<td align="right" valign="top">
<span class="codelink"><a href="paramiko.hostkeys-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">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a href="paramiko.HostKeys-class.html#clear" class="summary-sig-name">clear</a>(<span class="summary-sig-arg">self</span>)</span><br />
Remove all host keys from the dictionary.</td>
<td align="right" valign="top">
<span class="codelink"><a href="paramiko.hostkeys-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 name="keys"></a><span class="summary-sig-name">keys</span>(<span class="summary-sig-arg">self</span>)</span></td>
<td align="right" valign="top">
<span class="codelink"><a href="paramiko.hostkeys-pysrc.html">source code</a></span>
</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.HostKeys-class.html#load" class="summary-sig-name">load</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">filename</span>)</span><br />
Read a file of known SSH host keys, in the format used by openssh.</td>
<td align="right" valign="top">
<span class="codelink"><a href="paramiko.hostkeys-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">dict(str, <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.HostKeys-class.html#lookup" class="summary-sig-name">lookup</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">hostname</span>)</span><br />
Find a hostkey entry for a given hostname or IP.</td>
<td align="right" valign="top">
<span class="codelink"><a href="paramiko.hostkeys-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">
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td><span class="summary-sig"><a href="paramiko.HostKeys-class.html#save" class="summary-sig-name">save</a>(<span class="summary-sig-arg">self</span>,
<span class="summary-sig-arg">filename</span>)</span><br />
Save host keys into a file, in the format used by openssh.</td>
<td align="right" valign="top">
<span class="codelink"><a href="paramiko.hostkeys-pysrc.html">source code</a></span>
</td>
</tr>
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<span class="summary-type"> </span>
</td><td class="summary">
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<tr>
<td><span class="summary-sig"><a href="paramiko.HostKeys-class.html#values" class="summary-sig-name">values</a>(<span class="summary-sig-arg">self</span>)</span></td>
<td align="right" valign="top">
<span class="codelink"><a href="paramiko.hostkeys-pysrc.html">source code</a></span>
</td>
</tr>
</table>
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<tr>
<td colspan="2" class="summary">
<p class="indent-wrapped-lines"><b>Inherited from <code>UserDict.DictMixin</code></b>:
<code>__cmp__</code>,
<code>__contains__</code>,
<code>__iter__</code>,
<code>__len__</code>,
<code>__repr__</code>,
<code>get</code>,
<code>has_key</code>,
<code>items</code>,
<code>iteritems</code>,
<code>iterkeys</code>,
<code>itervalues</code>,
<code>pop</code>,
<code>popitem</code>,
<code>setdefault</code>,
<code>update</code>
</p>
</td>
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<!-- ==================== STATIC METHODS ==================== -->
<a name="section-StaticMethods"></a>
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<span class="table-header">Static Methods</span></td>
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<span class="summary-type">str</span>
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<tr>
<td><span class="summary-sig"><a href="paramiko.HostKeys-class.html#hash_host" class="summary-sig-name">hash_host</a>(<span class="summary-sig-arg">hostname</span>,
<span class="summary-sig-arg">salt</span>=<span class="summary-sig-default">None</span>)</span><br />
Return a "hashed" form of the hostname, as used by openssh
when storing hashed hostnames in the known_hosts file.</td>
<td align="right" valign="top">
<span class="codelink"><a href="paramiko-pysrc.html#HostKeys.hash_host">source code</a></span>
</td>
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<!-- ==================== METHOD DETAILS ==================== -->
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<a name="__init__"></a>
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<h3 class="epydoc"><span class="sig"><span class="sig-name">__init__</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">filename</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.hostkeys-pysrc.html">source code</a></span>
</td>
</tr></table>
<p>Create a new HostKeys object, optionally loading keys from an openssh
style host-key file.</p>
<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>filename</code></strong> (str) - filename to load host keys from, or <code>None</code></li>
</ul></dd>
</dl>
</td></tr></table>
</div>
<a name="add"></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">add</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">hostname</span>,
<span class="sig-arg">keytype</span>,
<span class="sig-arg">key</span>)</span>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="paramiko.hostkeys-pysrc.html">source code</a></span>
</td>
</tr></table>
<p>Add a host key entry to the table. Any existing entry for a
<code>(hostname, keytype)</code> pair will be replaced.</p>
<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>hostname</code></strong> (str) - the hostname (or IP) to add</li>
<li><strong class="pname"><code>keytype</code></strong> (str) - key type (<code>"ssh-rsa"</code> or
<code>"ssh-dss"</code>)</li>
<li><strong class="pname"><code>key</code></strong> (<a href="paramiko.PKey-class.html" class="link">PKey</a>) - the key to add</li>
</ul></dd>
</dl>
</td></tr></table>
</div>
<a name="check"></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">check</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">hostname</span>,
<span class="sig-arg">key</span>)</span>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="paramiko.hostkeys-pysrc.html">source code</a></span>
</td>
</tr></table>
<p>Return True if the given key is associated with the given hostname in
this dictionary.</p>
<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>hostname</code></strong> (str) - hostname (or IP) of the SSH server</li>
<li><strong class="pname"><code>key</code></strong> (<a href="paramiko.PKey-class.html" class="link">PKey</a>) - the key to check</li>
</ul></dd>
<dt>Returns: bool</dt>
<dd><code>True</code> if the key is associated with the hostname;
<code>False</code> if not</dd>
</dl>
</td></tr></table>
</div>
<a name="clear"></a>
<div>
<table class="details" border="1" cellpadding="3"
cellspacing="0" width="100%" bgcolor="white">
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<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr valign="top"><td>
<h3 class="epydoc"><span class="sig"><span class="sig-name">clear</span>(<span class="sig-arg">self</span>)</span>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="paramiko.hostkeys-pysrc.html">source code</a></span>
</td>
</tr></table>
<p>Remove all host keys from the dictionary.</p>
<dl class="fields">
<dt>Overrides:
UserDict.DictMixin.clear
</dt>
</dl>
</td></tr></table>
</div>
<a name="hash_host"></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_host</span>(<span class="sig-arg">hostname</span>,
<span class="sig-arg">salt</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#HostKeys.hash_host">source code</a></span>
</td>
</tr></table>
<p>Return a "hashed" form of the hostname, as used by openssh
when storing hashed hostnames in the known_hosts file.</p>
<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>hostname</code></strong> (str) - the hostname to hash</li>
<li><strong class="pname"><code>salt</code></strong> (str) - optional salt to use when hashing (must be 20 bytes long)</li>
</ul></dd>
<dt>Returns: str</dt>
<dd>the hashed hostname</dd>
</dl>
</td></tr></table>
</div>
<a name="load"></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">load</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">filename</span>)</span>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="paramiko.hostkeys-pysrc.html">source code</a></span>
</td>
</tr></table>
<p>Read a file of known SSH host keys, in the format used by openssh.
This type of file unfortunately doesn't exist on Windows, but on posix,
it will usually be stored in
<code>os.path.expanduser("~/.ssh/known_hosts")</code>.</p>
<p>If this method is called multiple times, the host keys are merged, not
cleared. So multiple calls to <code>load</code> will just call <a
href="paramiko.HostKeys-class.html#add" class="link">add</a>, replacing
any existing entries and adding new ones.</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 host keys from</li>
</ul></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>
</ul></dd>
</dl>
</td></tr></table>
</div>
<a name="lookup"></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">lookup</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">hostname</span>)</span>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="paramiko.hostkeys-pysrc.html">source code</a></span>
</td>
</tr></table>
<p>Find a hostkey entry for a given hostname or IP. If no entry is
found, <code>None</code> is returned. Otherwise a dictionary of keytype
to key is returned. The keytype will be either
<code>"ssh-rsa"</code> or <code>"ssh-dss"</code>.</p>
<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>hostname</code></strong> (str) - the hostname (or IP) to lookup</li>
</ul></dd>
<dt>Returns: dict(str, <a href="paramiko.PKey-class.html" class="link">PKey</a>)</dt>
<dd>keys associated with this host (or <code>None</code>)</dd>
</dl>
</td></tr></table>
</div>
<a name="save"></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">save</span>(<span class="sig-arg">self</span>,
<span class="sig-arg">filename</span>)</span>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="paramiko.hostkeys-pysrc.html">source code</a></span>
</td>
</tr></table>
<p>Save host keys into a file, in the format used by openssh. The order
of keys in the file will be preserved when possible (if these keys were
loaded from a file originally). The single exception is that combined
lines will be split into individual key lines, which is arguably a
bug.</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>
</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>
</ul></dd>
</dl>
<div class="fields"> <p><strong>Since:</strong>
1.6.1
</p>
</div></td></tr></table>
</div>
<a name="values"></a>
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cellspacing="0" width="100%" bgcolor="white">
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<h3 class="epydoc"><span class="sig"><span class="sig-name">values</span>(<span class="sig-arg">self</span>)</span>
</h3>
</td><td align="right" valign="top"
><span class="codelink"><a href="paramiko.hostkeys-pysrc.html">source code</a></span>
</td>
</tr></table>
<dl class="fields">
<dt>Overrides:
UserDict.DictMixin.values
</dt>
</dl>
</td></tr></table>
</div>
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distrib
>
Mandriva
>
2010.0
>
i586
>
media
>
contrib-release
>
by-pkgid
>
730cc16ea8560fbe98ec427718209ecf
>
files
>
117
