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<title>Class Poco::RandomBuf</title>
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<meta name="publisher" content="Applied Informatics Software Engineering GmbH and Contributors"/>
<meta name="copyright" content="Copyright (c) 2009, Applied Informatics Software Engineering GmbH and Contributors"/>
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<meta name="date" content="2009-11-24"/>
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<h1 class="namespace"><a href="Poco.html" class="namespace">Poco</a></h1>
<h1 class="symbol">class RandomBuf</h1>
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<p>
<b>Library:</b> Foundation<br />
<b>Package:</b> Crypt<br />
<b>Header:</b> Poco/RandomStream.h</p>
<h2>Description</h2>
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<p>This streambuf generates random data. On Windows NT, the cryptographic API is used. On Unix, /dev/random is used, if available. Otherwise, a random number generator, some more-or-less random data and a SHA-1 digest is used to generate random data. </p>
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<h2>Inheritance</h2>
<p><b>Direct Base Classes: </b>BufferedStreamBuf</p>
<p><b>All Base Classes: </b><a href="Poco.html#4028" title="Poco::BufferedStreamBuf">BufferedStreamBuf</a></p>
<h2>Member Summary</h2>
<p><b>Member Functions: </b><a href="Poco.RandomBuf.html#9646" title="Poco::RandomBuf::readFromDevice()">readFromDevice</a></p>
<h2>Constructors</h2>
<h3><a name="9644">RandomBuf</a></h3>
<p class="decl"><a href="Poco.RandomBuf.html" title="class Poco::RandomBuf">RandomBuf</a>();</p>
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<p></p>
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<h2>Destructor</h2>
<h3><a name="9645">~RandomBuf</a></h3>
<p class="decl">~<a href="Poco.RandomBuf.html" title="class Poco::RandomBuf">RandomBuf</a>();</p>
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<p></p>
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<h2>Member Functions</h2>
<h3><a name="9646">readFromDevice</a></h3>
<p class="decl">int readFromDevice(<br /> char * buffer,<br /> std::streamsize length<br />);</p>
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<p></p>
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<p class="footer">POCO C++ Libraries 1.3.6-all<br />
Copyright © 2009, <a href="http://pocoproject.org/" target="_blank">Applied Informatics Software Engineering GmbH and Contributors</a></p>
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