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<head>
<title>Class: Net::SSH::UserAuth::Methods::PublicKey</title>
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<td><strong>Class</strong></td>
<td class="class-name-in-header">Net::SSH::UserAuth::Methods::PublicKey</td>
</tr>
<tr class="top-aligned-row">
<td><strong>In:</strong></td>
<td>
<a href="../../../../../files/lib/net/ssh/userauth/methods/publickey_rb.html">
lib/net/ssh/userauth/methods/publickey.rb
</a>
<br />
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<td><strong>Parent:</strong></td>
<td>
Object
</td>
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<div id="description">
<p>
Implements the "publickey" <a href="../../../SSH.html">SSH</a>
authentication method.
</p>
</div>
</div>
<div id="method-list">
<h3 class="section-bar">Methods</h3>
<div class="name-list">
<a href="#M000132">authenticate</a>
<a href="#M000131">new</a>
</div>
</div>
</div>
<!-- if includes -->
<div id="includes">
<h3 class="section-bar">Included Modules</h3>
<div id="includes-list">
<span class="include-name"><a href="../Constants.html">Net::SSH::UserAuth::Constants</a></span>
</div>
</div>
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<div id="attribute-list">
<h3 class="section-bar">Attributes</h3>
<div class="name-list">
<table>
<tr class="top-aligned-row context-row">
<td class="context-item-name">messenger</td>
<td class="context-item-value"> [W] </td>
<td class="context-item-desc">
The messenger instance to use to send and receive messages
</td>
</tr>
<tr class="top-aligned-row context-row">
<td class="context-item-name">session_id</td>
<td class="context-item-value"> [W] </td>
<td class="context-item-desc">
The session id of the current <a href="../../../SSH.html">SSH</a> session
</td>
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<h3 class="section-bar">Public Class methods</h3>
<div id="method-M000131" class="method-detail">
<a name="M000131"></a>
<div class="method-heading">
<a href="#M000131" class="method-signature">
<span class="method-name">new</span><span class="method-args">( buffers )</span>
</a>
</div>
<div class="method-description">
<p>
Create a new <a href="PublicKey.html">PublicKey</a> instance that uses the
given buffer factory to produce new buffer instances.
</p>
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000131-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000131-source">
<pre>
<span class="ruby-comment cmt"># File lib/net/ssh/userauth/methods/publickey.rb, line 37</span>
37: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">initialize</span>( <span class="ruby-identifier">buffers</span> )
38: <span class="ruby-ivar">@buffers</span> = <span class="ruby-identifier">buffers</span>
39: <span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<h3 class="section-bar">Public Instance methods</h3>
<div id="method-M000132" class="method-detail">
<a name="M000132"></a>
<div class="method-heading">
<a href="#M000132" class="method-signature">
<span class="method-name">authenticate</span><span class="method-args">( next_service, username, data={} )</span>
</a>
</div>
<div class="method-description">
<p>
Attempts to perform public-key authentication for the given username,
trying each identity known to the key manager. If any of them succeed,
returns <tt>true</tt>, otherwise returns <tt>false</tt>. The data hash must
contain a <a href="../UserKeyManager.html">UserKeyManager</a> instance
under the <tt>:key_manager</tt> key.
</p>
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000132-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000132-source">
<pre>
<span class="ruby-comment cmt"># File lib/net/ssh/userauth/methods/publickey.rb, line 46</span>
46: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">authenticate</span>( <span class="ruby-identifier">next_service</span>, <span class="ruby-identifier">username</span>, <span class="ruby-identifier">data</span>={} )
47: <span class="ruby-identifier">key_manager</span> = <span class="ruby-identifier">data</span>[<span class="ruby-identifier">:key_manager</span>]
48: <span class="ruby-keyword kw">return</span> <span class="ruby-keyword kw">false</span> <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">key_manager</span>
49:
50: <span class="ruby-identifier">key_manager</span>.<span class="ruby-identifier">identities</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">identity</span><span class="ruby-operator">|</span>
51: <span class="ruby-keyword kw">return</span> <span class="ruby-keyword kw">true</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">authenticate_with</span>( <span class="ruby-identifier">identity</span>, <span class="ruby-identifier">next_service</span>,
52: <span class="ruby-identifier">username</span>, <span class="ruby-identifier">key_manager</span> )
53: <span class="ruby-keyword kw">end</span>
54:
55: <span class="ruby-keyword kw">return</span> <span class="ruby-keyword kw">false</span>
56:
57: <span class="ruby-keyword kw">ensure</span>
58: <span class="ruby-identifier">key_manager</span>.<span class="ruby-identifier">finish</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">key_manager</span>
59: <span class="ruby-keyword kw">end</span>
</pre>
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