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<title>Class: OpenSSL::PKey::DH</title>
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<td class="file-title"><span class="file-title-prefix">Class</span><br />OpenSSL::PKey::DH</td>
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<td>In:</td>
<td>
<a href="../../../files/lib/net/ssh/util/openssl_rb.html">lib/net/ssh/util/openssl.rb</a>
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<td>Parent:</td>
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Object
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<div class="description"><p>
This class is originally defined in the <a
href="../../OpenSSL.html">OpenSSL</a> module. As needed, methods have been
added to it by the <a href="../../Net/SSH.html">Net::SSH</a> module for
convenience in dealing with SSH functionality.
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<div class="sectiontitle">Methods</div>
<ul>
<li><a href="#M000005">valid?</a></li>
</ul>
<div class="sectiontitle">Public Instance methods</div>
<div class="method">
<div class="title">
<a name="M000005"></a><b>valid?</b>()
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<p>
Determines whether the pub_key for this key is valid. (This algorithm
lifted more-or-less directly from OpenSSH, dh.c, dh_pub_is_valid.)
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<pre>
<span class="ruby-comment cmt"># File lib/net/ssh/util/openssl.rb, line 54</span>
54: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">valid?</span>
55: <span class="ruby-keyword kw">return</span> <span class="ruby-keyword kw">false</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">pub_key</span> <span class="ruby-operator"><</span> <span class="ruby-value">0</span>
56: <span class="ruby-identifier">bits_set</span> = <span class="ruby-value">0</span>
57: <span class="ruby-identifier">pub_key</span>.<span class="ruby-identifier">num_bits</span>.<span class="ruby-identifier">times</span> { <span class="ruby-operator">|</span><span class="ruby-identifier">i</span><span class="ruby-operator">|</span> <span class="ruby-identifier">bits_set</span> <span class="ruby-operator">+=</span> <span class="ruby-value">1</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">pub_key</span>.<span class="ruby-identifier">bit_set?</span> <span class="ruby-identifier">i</span> }
58: <span class="ruby-keyword kw">return</span> ( <span class="ruby-identifier">bits_set</span> <span class="ruby-operator">></span> <span class="ruby-value">1</span> <span class="ruby-operator">&&</span> <span class="ruby-identifier">pub_key</span> <span class="ruby-operator"><</span> <span class="ruby-identifier">p</span> )
59: <span class="ruby-keyword kw">end</span>
</pre>
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