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<title>Class Poco::Crypto::CryptoStreamBuf</title>
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<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.Crypto.html" class="namespace">Poco::Crypto</a></h1>
<h1 class="symbol">class CryptoStreamBuf</h1>
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<p>
<b>Library:</b> Crypto<br />
<b>Package:</b> Cipher<br />
<b>Header:</b> Poco/Crypto/CryptoStream.h</p>
<h2>Description</h2>
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<p>This stream buffer performs cryptographic transformation on the data going through it. </p>
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<h2>Inheritance</h2>
<p><b>Direct Base Classes: </b>Poco::BufferedStreamBuf</p>
<p><b>All Base Classes: </b><a href="Poco.html#4028" title="Poco::BufferedStreamBuf">Poco::BufferedStreamBuf</a></p>
<h2>Member Summary</h2>
<p><b>Member Functions: </b><a href="Poco.Crypto.CryptoStreamBuf.html#146" title="Poco::Crypto::CryptoStreamBuf::close()">close</a>, <a href="Poco.Crypto.CryptoStreamBuf.html#147" title="Poco::Crypto::CryptoStreamBuf::readFromDevice()">readFromDevice</a>, <a href="Poco.Crypto.CryptoStreamBuf.html#150" title="Poco::Crypto::CryptoStreamBuf::writeToDevice()">writeToDevice</a></p>
<h2>Constructors</h2>
<h3><a name="137">CryptoStreamBuf</a></h3>
<p class="decl"><a href="Poco.Crypto.CryptoStreamBuf.html" title="class Poco::Crypto::CryptoStreamBuf">CryptoStreamBuf</a>(<br /> std::istream & istr,<br /> <a href="Poco.Crypto.CryptoTransform.html" title="class Poco::Crypto::CryptoTransform">CryptoTransform</a> * pTransform,<br /> std::streamsize bufferSize = 8192<br />);</p>
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<p></p>
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<h3><a name="141">CryptoStreamBuf</a></h3>
<p class="decl"><a href="Poco.Crypto.CryptoStreamBuf.html" title="class Poco::Crypto::CryptoStreamBuf">CryptoStreamBuf</a>(<br /> std::ostream & ostr,<br /> <a href="Poco.Crypto.CryptoTransform.html" title="class Poco::Crypto::CryptoTransform">CryptoTransform</a> * pTransform,<br /> std::streamsize bufferSize = 8192<br />);</p>
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<p></p>
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<h2>Destructor</h2>
<h3><a name="145">~CryptoStreamBuf</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl">virtual ~<a href="Poco.Crypto.CryptoStreamBuf.html" title="class Poco::Crypto::CryptoStreamBuf">CryptoStreamBuf</a>();</p>
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<p></p>
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<h2>Member Functions</h2>
<h3><a name="146">close</a></h3>
<p class="decl">void close();</p>
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<p>Flushes all buffers and finishes the encryption. </p>
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<h3><a name="147">readFromDevice</a> <img src="images/protected.gif" alt="protected" title="protected" style="vertical-align:baseline;" border="0" /> </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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<h3><a name="150">writeToDevice</a> <img src="images/protected.gif" alt="protected" title="protected" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl">int writeToDevice(<br /> const 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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