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|
<?xml version="1.0" encoding="iso-8859-1"?>
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<font size="-1"><b class="breadcrumbs">
<a href="paramiko-module.html">Package paramiko</a> ::
Class PKey
</b></font></br>
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<tr><td align="right"><font size="-2">[<b>show private</b> | hide private]</font></td></tr>
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<!-- =========== START OF CLASS DESCRIPTION =========== -->
<h2 class="class">Type PKey</h2>
<pre class="base-tree">
<a href="__builtin__.object-class.html"><code>object</code></a> --+
|
<b>PKey</b>
</pre><br />
<dl><dt><b>Known Subclasses:</b></dt>
<dd>
<a href="paramiko.AgentKey-class.html"><code>AgentKey</code></a>,
<a href="paramiko.DSSKey-class.html"><code>DSSKey</code></a>,
<a href="paramiko.RSAKey-class.html"><code>RSAKey</code></a></dd></dl>
<hr/>
Base class for public keys.
<hr/>
<!-- =========== START OF METHOD SUMMARY =========== -->
<table class="summary" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="summary">
<th colspan="2">Method Summary</th></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="../private/paramiko.PKey-class.html#__init__" class="summary-sig-name"><code>__init__</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>msg</span>,
<span class=summary-sig-arg>data</span>)</span></code>
<br />
Create a new instance of this public key type.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> int
</font></td>
<td><code><span class="summary-sig"><a href="../private/paramiko.PKey-class.html#__cmp__" class="summary-sig-name"><code>__cmp__</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>other</span>)</span></code>
<br />
Compare this key to another.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> str
</font></td>
<td><code><span class="summary-sig"><a href="../private/paramiko.PKey-class.html#__str__" class="summary-sig-name"><code>__str__</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
<br />
Return a string of an SSH <a href="paramiko.Message-class.html"
class="link"><code>Message</code></a> made up of the public part(s) of
this key.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> str
</font></td>
<td><code><span class="summary-sig"><a href="../private/paramiko.PKey-class.html#_read_private_key_file" class="summary-sig-name"><code>_read_private_key_file</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>tag</span>,
<span class=summary-sig-arg>filename</span>,
<span class=summary-sig-arg>password</span>)</span></code>
<br />
Read an SSH2-format private key file, looking for a string of the type
<code>"BEGIN xxx PRIVATE KEY"</code> for some <code>xxx</code>,
base64-decode the text we find, and return it as a string.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="../private/paramiko.PKey-class.html#_write_private_key_file" class="summary-sig-name"><code>_write_private_key_file</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>tag</span>,
<span class=summary-sig-arg>filename</span>,
<span class=summary-sig-arg>data</span>,
<span class=summary-sig-arg>password</span>)</span></code>
<br />
Write an SSH2-format private key file in a form that can be read by
paramiko or openssh.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> bool
</font></td>
<td><code><span class="summary-sig"><a href="../private/paramiko.PKey-class.html#can_sign" class="summary-sig-name"><code>can_sign</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
<br />
Return <code>True</code> if this key has the private part necessary
for signing data.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> <a href="../private/paramiko.PKey-class.html"
class="link"><code>PKey</code></a>
</font></td>
<td><code><span class="summary-sig"><a href="../private/paramiko.PKey-class.html#from_private_key_file" class="summary-sig-name"><code>from_private_key_file</code></a>(<span class=summary-sig-arg>cl</span>,
<span class=summary-sig-arg>filename</span>,
<span class=summary-sig-arg>password</span>)</span></code>
<br />
Create a key object by reading a private key file. <i>(Class method)</i>
</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> str
</font></td>
<td><code><span class="summary-sig"><a href="../private/paramiko.PKey-class.html#get_base64" class="summary-sig-name"><code>get_base64</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
<br />
Return a base64 string containing the public part of this key.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> int
</font></td>
<td><code><span class="summary-sig"><a href="../private/paramiko.PKey-class.html#get_bits" class="summary-sig-name"><code>get_bits</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
<br />
Return the number of significant bits in this key.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> str
</font></td>
<td><code><span class="summary-sig"><a href="../private/paramiko.PKey-class.html#get_fingerprint" class="summary-sig-name"><code>get_fingerprint</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
<br />
Return an MD5 fingerprint of the public part of this key.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> str
</font></td>
<td><code><span class="summary-sig"><a href="../private/paramiko.PKey-class.html#get_name" class="summary-sig-name"><code>get_name</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
<br />
Return the name of this private key implementation.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> <a href="paramiko.Message-class.html"
class="link"><code>Message</code></a>
</font></td>
<td><code><span class="summary-sig"><a href="../private/paramiko.PKey-class.html#sign_ssh_data" class="summary-sig-name"><code>sign_ssh_data</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>randpool</span>,
<span class=summary-sig-arg>data</span>)</span></code>
<br />
Sign a blob of data with this private key, and return a <a
href="paramiko.Message-class.html" class="link"><code>Message</code></a>
representing an SSH signature message.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> boolean
</font></td>
<td><code><span class="summary-sig"><a href="../private/paramiko.PKey-class.html#verify_ssh_sig" class="summary-sig-name"><code>verify_ssh_sig</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>data</span>,
<span class=summary-sig-arg>msg</span>)</span></code>
<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></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="../private/paramiko.PKey-class.html#write_private_key_file" class="summary-sig-name"><code>write_private_key_file</code></a>(<span class=summary-sig-arg>self</span>,
<span class=summary-sig-arg>filename</span>,
<span class=summary-sig-arg>password</span>)</span></code>
<br />
Write private key contents into a file.</td></tr>
<tr bgcolor="#e8f0f8" class="group">
<th colspan="2"> Inherited from object</th></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="__builtin__.object-class.html#__delattr__" class="summary-sig-name"><code>__delattr__</code></a>(<span class="summary-sig-vararg">...</span>)</span></code>
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x.__delattr__('name') <==> del x.name</td></tr>
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x.__getattribute__('name') <==> x.name</td></tr>
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<td><code><span class="summary-sig"><a href="__builtin__.object-class.html#__hash__" class="summary-sig-name"><code>__hash__</code></a>(<span class=summary-sig-arg>x</span>)</span></code>
<br />
x.__hash__() <==> hash(x)</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="__builtin__.object-class.html#__new__" class="summary-sig-name"><code>__new__</code></a>(<span class=summary-sig-arg>T</span>,
<span class=summary-sig-arg>S</span>,
<span class="summary-sig-vararg">...</span>)</span></code>
<br />
T.__new__(S, ...) -> a new object with type S, a subtype of T</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="__builtin__.object-class.html#__reduce__" class="summary-sig-name"><code>__reduce__</code></a>(<span class="summary-sig-vararg">...</span>)</span></code>
<br />
helper for pickle</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="__builtin__.object-class.html#__reduce_ex__" class="summary-sig-name"><code>__reduce_ex__</code></a>(<span class="summary-sig-vararg">...</span>)</span></code>
<br />
helper for pickle</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="__builtin__.object-class.html#__repr__" class="summary-sig-name"><code>__repr__</code></a>(<span class=summary-sig-arg>x</span>)</span></code>
<br />
x.__repr__() <==> repr(x)</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"> </font></td>
<td><code><span class="summary-sig"><a href="__builtin__.object-class.html#__setattr__" class="summary-sig-name"><code>__setattr__</code></a>(<span class="summary-sig-vararg">...</span>)</span></code>
<br />
x.__setattr__('name', value) <==> x.name = value</td></tr>
</table><br />
<!-- =========== START OF CLASS VARIABLE SUMMARY =========== -->
<table class="summary" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="summary">
<th colspan="2">Class Variable Summary</th></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1"><code>dict</code></font></td>
<td><b><a href="../private/paramiko.PKey-class.html#_CIPHER_TABLE"><code>_CIPHER_TABLE</code></a></b> = <span title="{'DES-EDE3-CBC': {'blocksize': 8, 'cipher': <module 'Crypto.Cipher.DES3' from '/usr/lib/python2.4/site-packages/Crypto/Cipher/DES3.so'>, 'keysize': 24, 'mode': 2}}"><code>{'DES-EDE3-CBC': {'blocksize': 8, 'ciphe<span class="variable-ellipsis">...</span></code>
</span></td></tr>
</table><br />
<!-- =========== START OF INSTANCE METHOD DETAILS =========== -->
<table class="details" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="details">
<th colspan="2">Instance Method Details</th></tr>
</table>
<a name="__init__"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
<h3><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 /><i>(Constructor)</i>
</h3>
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.
<dl><dt></dt><dd>
<dl><dt><b>Parameters:</b></dt>
<dd><code><b>msg</b></code> -
an optional SSH <a href="paramiko.Message-class.html"
class="link"><code>Message</code></a> containing a public key of
this type.
<br /><i>
(type=<a href="paramiko.Message-class.html"
class="link"><code>Message</code></a>)</i>
<dd><code><b>data</b></code> -
an optional string containing a public key of this type
<br /><i>
(type=str)</i>
</dd>
</dl>
<dl><dt><b>Raises:</b></dt>
<dd><code><b>SSHException</b></code> -
if a key cannot be created from the <code>data</code> or
<code>msg</code> given, or no key was passed in.
</dl>
<dl><dt><b>Overrides:</b></dt>
<dd><a href="__builtin__.object-class.html#__init__"><code>__builtin__.object.__init__</code></a></dd>
</dl>
</dd></dl>
</td></tr></table>
<a name="__cmp__"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
<h3><span class="sig"><span class="sig-name">__cmp__</span>(<span class=sig-arg>self</span>,
<span class=sig-arg>other</span>)</span>
<br /><i>(Comparison operator)</i>
</h3>
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.
<dl><dt></dt><dd>
<dl><dt><b>Parameters:</b></dt>
<dd><code><b>other</b></code> -
key to compare to.
<br /><i>
(type=<a href="../private/paramiko.PKey-class.html"
class="link"><code>PKey</code></a>)</i>
</dd>
</dl>
<dl><dt><b>Returns:</b></dt>
<dd>
0 if the two keys are equivalent, non-0 otherwise.
<br /><i>
(type=int)</i>
</dd>
</dl>
</dd></dl>
</td></tr></table>
<a name="__str__"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
<h3><span class="sig"><span class="sig-name">__str__</span>(<span class=sig-arg>self</span>)</span>
<br /><i>(Informal representation operator)</i>
</h3>
Return a string of an SSH <a href="paramiko.Message-class.html"
class="link"><code>Message</code></a> made up of the public part(s) of
this key. This string is suitable for passing to <a
href="../private/paramiko.PKey-class.html#__init__"
class="link"><code>__init__</code></a> to re-create the key object
later.
<dl><dt></dt><dd>
<dl><dt><b>Returns:</b></dt>
<dd>
string representation of an SSH key message.
<br /><i>
(type=str)</i>
</dd>
</dl>
<dl><dt><b>Overrides:</b></dt>
<dd><a href="__builtin__.object-class.html#__str__"><code>__builtin__.object.__str__</code></a></dd>
</dl>
</dd></dl>
</td></tr></table>
<a name="_read_private_key_file"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
<h3><span class="sig"><span class="sig-name">_read_private_key_file</span>(<span class=sig-arg>self</span>,
<span class=sig-arg>tag</span>,
<span class=sig-arg>filename</span>,
<span class=sig-arg>password</span>=<span class=sig-default>None</span>)</span>
</h3>
Read an SSH2-format private key file, looking for a string of the
type <code>"BEGIN xxx PRIVATE KEY"</code> for some
<code>xxx</code>, base64-decode the text we find, and return it as a
string. 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"><code>PasswordRequiredException</code></a> is thrown).
<dl><dt></dt><dd>
<dl><dt><b>Parameters:</b></dt>
<dd><code><b>tag</b></code> -
<code>"RSA"</code> or <code>"DSA"</code>,
the tag used to mark the data block.
<br /><i>
(type=str)</i>
<dd><code><b>filename</b></code> -
name of the file to read.
<br /><i>
(type=str)</i>
<dd><code><b>password</b></code> -
an optional password to use to decrypt the key file, if it's
encrypted.
<br /><i>
(type=str)</i>
</dd>
</dl>
<dl><dt><b>Returns:</b></dt>
<dd>
data blob that makes up the private key.
<br /><i>
(type=str)</i>
</dd>
</dl>
<dl><dt><b>Raises:</b></dt>
<dd><code><b>IOError</b></code> -
if there was an error reading the file.
<dd><code><b>PasswordRequiredException</b></code> -
if the private key file is encrypted, and
<code>password</code> is <code>None</code>.
<dd><code><b>SSHException</b></code> -
if the key file is invalid.
</dl>
</dd></dl>
</td></tr></table>
<a name="_write_private_key_file"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
<h3><span class="sig"><span class="sig-name">_write_private_key_file</span>(<span class=sig-arg>self</span>,
<span class=sig-arg>tag</span>,
<span class=sig-arg>filename</span>,
<span class=sig-arg>data</span>,
<span class=sig-arg>password</span>=<span class=sig-default>None</span>)</span>
</h3>
Write an SSH2-format private key file in a form that can be read by
paramiko or openssh. If no password is given, the key is written in a
trivially-encoded format (base64) which is completely insecure. If a
password is given, DES-EDE3-CBC is used.
<dl><dt></dt><dd>
<dl><dt><b>Parameters:</b></dt>
<dd><code><b>tag</b></code> -
<code>"RSA"</code> or <code>"DSA"</code>,
the tag used to mark the data block.
<br /><i>
(type=str)</i>
<dd><code><b>filename</b></code> -
name of the file to write.
<br /><i>
(type=str)</i>
<dd><code><b>data</b></code> -
data blob that makes up the private key.
<br /><i>
(type=str)</i>
<dd><code><b>password</b></code> -
an optional password to use to encrypt the file.
<br /><i>
(type=str)</i>
</dd>
</dl>
<dl><dt><b>Raises:</b></dt>
<dd><code><b>IOError</b></code> -
if there was an error writing the file.
</dl>
</dd></dl>
</td></tr></table>
<a name="can_sign"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
<h3><span class="sig"><span class="sig-name">can_sign</span>(<span class=sig-arg>self</span>)</span>
</h3>
Return <code>True</code> if this key has the private part necessary
for signing data.
<dl><dt></dt><dd>
<dl><dt><b>Returns:</b></dt>
<dd>
<code>True</code> if this is a private key.
<br /><i>
(type=bool)</i>
</dd>
</dl>
</dd></dl>
</td></tr></table>
<a name="get_base64"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
<h3><span class="sig"><span class="sig-name">get_base64</span>(<span class=sig-arg>self</span>)</span>
</h3>
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.
<dl><dt></dt><dd>
<dl><dt><b>Returns:</b></dt>
<dd>
a base64 string containing the public part of the key.
<br /><i>
(type=str)</i>
</dd>
</dl>
<p><b>Since:</b> fearow
</p>
</dd></dl>
</td></tr></table>
<a name="get_bits"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
<h3><span class="sig"><span class="sig-name">get_bits</span>(<span class=sig-arg>self</span>)</span>
</h3>
Return the number of significant bits in this key. This is useful
for judging the relative security of a key.
<dl><dt></dt><dd>
<dl><dt><b>Returns:</b></dt>
<dd>
bits in the key.
<br /><i>
(type=int)</i>
</dd>
</dl>
</dd></dl>
</td></tr></table>
<a name="get_fingerprint"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
<h3><span class="sig"><span class="sig-name">get_fingerprint</span>(<span class=sig-arg>self</span>)</span>
</h3>
Return an MD5 fingerprint of the public part of this key. Nothing
secret is revealed.
<dl><dt></dt><dd>
<dl><dt><b>Returns:</b></dt>
<dd>
a 16-byte string (binary) of the MD5 fingerprint, in SSH
format.
<br /><i>
(type=str)</i>
</dd>
</dl>
</dd></dl>
</td></tr></table>
<a name="get_name"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
<h3><span class="sig"><span class="sig-name">get_name</span>(<span class=sig-arg>self</span>)</span>
</h3>
Return the name of this private key implementation.
<dl><dt></dt><dd>
<dl><dt><b>Returns:</b></dt>
<dd>
name of this private key type, in SSH terminology (for
example, <code>"ssh-rsa"</code>).
<br /><i>
(type=str)</i>
</dd>
</dl>
</dd></dl>
</td></tr></table>
<a name="sign_ssh_data"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
<h3><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>
Sign a blob of data with this private key, and return a <a
href="paramiko.Message-class.html"
class="link"><code>Message</code></a> representing an SSH signature
message.
<dl><dt></dt><dd>
<dl><dt><b>Parameters:</b></dt>
<dd><code><b>randpool</b></code> -
a secure random number generator.
<br /><i>
(type=<code>Crypto.Util.randpool.RandomPool</code>)</i>
<dd><code><b>data</b></code> -
the data to sign.
<br /><i>
(type=str)</i>
</dd>
</dl>
<dl><dt><b>Returns:</b></dt>
<dd>
an SSH signature message.
<br /><i>
(type=<a href="paramiko.Message-class.html"
class="link"><code>Message</code></a>)</i>
</dd>
</dl>
</dd></dl>
</td></tr></table>
<a name="verify_ssh_sig"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
<h3><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>
Given a blob of data, and an SSH message representing a signature of
that data, verify that it was signed with this key.
<dl><dt></dt><dd>
<dl><dt><b>Parameters:</b></dt>
<dd><code><b>data</b></code> -
the data that was signed.
<br /><i>
(type=str)</i>
<dd><code><b>msg</b></code> -
an SSH signature message
<br /><i>
(type=<a href="paramiko.Message-class.html"
class="link"><code>Message</code></a>)</i>
</dd>
</dl>
<dl><dt><b>Returns:</b></dt>
<dd>
<code>True</code> if the signature verifies correctly;
<code>False</code> otherwise.
<br /><i>
(type=boolean)</i>
</dd>
</dl>
</dd></dl>
</td></tr></table>
<a name="write_private_key_file"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
<h3><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>
Write private key contents into a file. If the password is not
<code>None</code>, the key is encrypted before writing.
<dl><dt></dt><dd>
<dl><dt><b>Parameters:</b></dt>
<dd><code><b>filename</b></code> -
name of the file to write.
<br /><i>
(type=str)</i>
<dd><code><b>password</b></code> -
an optional password to use to encrypt the key file.
<br /><i>
(type=str)</i>
</dd>
</dl>
<dl><dt><b>Raises:</b></dt>
<dd><code><b>IOError</b></code> -
if there was an error writing the file.
<dd><code><b>SSHException</b></code> -
if the key is invalid.
</dl>
<p><b>Since:</b> fearow
</p>
</dd></dl>
</td></tr></table>
<br />
<!-- =========== START OF CLASS METHOD DETAILS =========== -->
<table class="details" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="details">
<th colspan="2">Class Method Details</th></tr>
</table>
<a name="from_private_key_file"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
<h3><span class="sig"><span class="sig-name">from_private_key_file</span>(<span class=sig-arg>cl</span>,
<span class=sig-arg>filename</span>,
<span class=sig-arg>password</span>=<span class=sig-default>None</span>)</span>
</h3>
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"><code>PasswordRequiredException</code></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"><code>RSAKey</code></a> or <a
href="paramiko.DSSKey-class.html"
class="link"><code>DSSKey</code></a>), but is useless on the abstract
PKey class.
<dl><dt></dt><dd>
<dl><dt><b>Parameters:</b></dt>
<dd><code><b>filename</b></code> -
name of the file to read.
<br /><i>
(type=str)</i>
<dd><code><b>password</b></code> -
an optional password to use to decrypt the key file, if it's
encrypted
<br /><i>
(type=str)</i>
</dd>
</dl>
<dl><dt><b>Returns:</b></dt>
<dd>
a new key object based on the given private key.
<br /><i>
(type=<a href="../private/paramiko.PKey-class.html"
class="link"><code>PKey</code></a>)</i>
</dd>
</dl>
<dl><dt><b>Raises:</b></dt>
<dd><code><b>IOError</b></code> -
if there was an error reading the file.
<dd><code><b>PasswordRequiredException</b></code> -
if the private key file is encrypted, and
<code>password</code> is <code>None</code>.
<dd><code><b>SSHException</b></code> -
if the key file is invalid.
</dl>
<p><b>Since:</b> fearow
</p>
</dd></dl>
</td></tr></table>
<br />
<!-- =========== START OF CLASS VARIABLE DETAILS =========== -->
<table class="details" border="1" cellpadding="3" cellspacing="0" width="100%" bgcolor="white">
<tr bgcolor="#70b0f0" class="details">
<th colspan="2">Class Variable Details</th></tr>
</table>
<table width="100%" class="var-details" bgcolor="#e0e0e0"><tr><td>
<a name="_CIPHER_TABLE"></a>
<h3>_CIPHER_TABLE</h3>
<dl>
<dt></dt>
<dd>
<dl>
<dt><b>Type:</b></dt>
<dd>
<code>dict</code>
</dd>
<span title="{'DES-EDE3-CBC': {'blocksize': 8, 'cipher': <module 'Crypto.Cipher.DES3' from '/usr/lib/python2.4/site-packages/Crypto/Cipher/DES3.so'>, 'keysize': 24, 'mode': 2}}"> <dt><b>Value:</b></dt>
<dd><table><tr><td>
<pre class="variable">
{'DES-EDE3-CBC': {'blocksize': 8,
'cipher': <module 'Crypto.Cipher.DES3' from '/usr/li<span class="variable-linewrap">\</span>
b/python2.4/site-packages/Crypto/Cipher/DES3.so'>,
'keysize': 24,
'mode': 2}} </pre>
</td></tr></table></dd>
</span> </dl>
</dd>
</dl></td></tr></table>
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