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<title>Class Poco::Crypto::CryptoOutputStream</title>
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<meta name="author" content="Applied Informatics Software Engineering GmbH and Contributors"/>
<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.Crypto.html" class="namespace">Poco::Crypto</a></h1>
<h1 class="symbol">class CryptoOutputStream</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>
<div class="description">
<p>This stream transforms all data passing through it using the given <a href="Poco.Crypto.CryptoTransform.html" title="class Poco::Crypto::CryptoTransform">CryptoTransform</a>. </p>
<p>Use a <a href="Poco.Crypto.CryptoTransform.html" title="class Poco::Crypto::CryptoTransform">CryptoTransform</a> object provided by Cipher::createEncrytor() or <a href="Poco.Crypto.Cipher.html#13" title="Poco::Crypto::Cipher::createDecryptor()">Cipher::createDecryptor</a>() to create an encrypting or decrypting stream, respectively. </p>
<p>After all data has been passed through the stream, <a href="Poco.Crypto.CryptoOutputStream.html#194" title="Poco::Crypto::CryptoOutputStream::close()">close</a>() must be called to ensure completion of cryptographic transformation. </p>
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<h2>Inheritance</h2>
<p><b>Direct Base Classes: </b><a href="Poco.Crypto.CryptoIOS.html" title="class Poco::Crypto::CryptoIOS">CryptoIOS</a>, std::ostream</p>
<p><b>All Base Classes: </b><a href="Poco.Crypto.CryptoIOS.html" title="class Poco::Crypto::CryptoIOS">CryptoIOS</a>, std::ios, std::ostream</p>
<h2>Member Summary</h2>
<p><b>Member Functions: </b><a href="Poco.Crypto.CryptoOutputStream.html#194" title="Poco::Crypto::CryptoOutputStream::close()">close</a></p>
<p><b>Inherited Functions: </b><a href="Poco.Crypto.CryptoIOS.html#172" title="Poco::Crypto::CryptoIOS::rdbuf()">rdbuf</a></p>
<h2>Constructors</h2>
<h3><a name="185">CryptoOutputStream</a></h3>
<p class="decl"><a href="Poco.Crypto.CryptoOutputStream.html" title="class Poco::Crypto::CryptoOutputStream">CryptoOutputStream</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>
<div class="description">
<p>Create a new <a href="Poco.Crypto.CryptoOutputStream.html" title="class Poco::Crypto::CryptoOutputStream">CryptoOutputStream</a> object. The <a href="Poco.Crypto.CryptoOutputStream.html" title="class Poco::Crypto::CryptoOutputStream">CryptoOutputStream</a> takes the ownership of the given <a href="Poco.Crypto.CryptoTransform.html" title="class Poco::Crypto::CryptoTransform">CryptoTransform</a> object. </p>
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<h3><a name="189">CryptoOutputStream</a></h3>
<p class="decl"><a href="Poco.Crypto.CryptoOutputStream.html" title="class Poco::Crypto::CryptoOutputStream">CryptoOutputStream</a>(<br /> std::ostream & ostr,<br /> <a href="Poco.Crypto.Cipher.html" title="class Poco::Crypto::Cipher">Cipher</a> & cipher,<br /> std::streamsize bufferSize = 8192<br />);</p>
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<p>Create a new decrypting <a href="Poco.Crypto.CryptoOutputStream.html" title="class Poco::Crypto::CryptoOutputStream">CryptoOutputStream</a> object using the given cipher. </p>
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<h2>Destructor</h2>
<h3><a name="193">~CryptoOutputStream</a></h3>
<p class="decl">~<a href="Poco.Crypto.CryptoOutputStream.html" title="class Poco::Crypto::CryptoOutputStream">CryptoOutputStream</a>();</p>
<div class="description">
<p>Destroys the <a href="Poco.Crypto.CryptoOutputStream.html" title="class Poco::Crypto::CryptoOutputStream">CryptoOutputStream</a>. </p>
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<h2>Member Functions</h2>
<h3><a name="194">close</a></h3>
<p class="decl">void close();</p>
<div class="description">
<p>Flushes all buffers and finishes the encryption. </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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