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129 lines
5.1 KiB
129 lines
5.1 KiB
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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<title>Encryption</title>
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<link rel="stylesheet" href="gettingStarted.css" type="text/css" />
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<meta name="generator" content="DocBook XSL Stylesheets V1.73.2" />
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<link rel="start" href="index.html" title="Getting Started with the Oracle Berkeley DB SQL APIs" />
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<link rel="up" href="dbsqlbasics.html" title="Chapter 1. Berkeley DB SQL: The Absolute Basics" />
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<link rel="prev" href="bdb-concepts.html" title="Berkeley DB Concepts" />
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<link rel="next" href="sequencesupport.html" title="Using Sequences" />
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</head>
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<body>
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<div xmlns="" class="navheader">
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<div class="libver">
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<p>Library Version 12.1.6.2</p>
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</div>
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<table width="100%" summary="Navigation header">
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<tr>
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<th colspan="3" align="center">Encryption</th>
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</tr>
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<tr>
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<td width="20%" align="left"><a accesskey="p" href="bdb-concepts.html">Prev</a> </td>
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<th width="60%" align="center">Chapter 1. Berkeley DB SQL: The Absolute Basics</th>
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<td width="20%" align="right"> <a accesskey="n" href="sequencesupport.html">Next</a></td>
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</tr>
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</table>
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<hr />
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</div>
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<div class="sect1" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h2 class="title" style="clear: both"><a id="sql_encryption"></a>Encryption</h2>
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</div>
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</div>
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</div>
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<div class="toc">
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<dl>
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<dt>
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<span class="sect2">
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<a href="sql_encryption.html#sql_native_encrypt">Berkeley DB encryption</a>
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</span>
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</dt>
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<dt>
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<span class="sect2">
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<a href="sql_encryption.html#sql_see">SQLite Encryption Extension</a>
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</span>
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</dt>
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</dl>
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</div>
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<p>
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When encryption is enabled, the Berkeley DB SQL API uses
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native Berkeley DB encryption to assure the security of
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your data. As usual, the Berkeley DB SQL API is almost
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identical to the SQLite API, so you can use the syntax
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of the SQLite Encryption Extension to interact with your
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encrypted data.
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</p>
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<div class="sect2" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h3 class="title"><a id="sql_native_encrypt"></a>Berkeley DB encryption</h3>
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</div>
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</div>
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</div>
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<p>
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Berkeley DB supports encryption using the Rijndael/AES
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algorithm. It is configured to use a 128-bit key. Berkeley
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DB uses a 16-byte initialization vector generated using the
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Mersenne Twister. All encrypted information is additionally
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checksummed using the SHA1 Secure Hash Algorithm, using a
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160-bit message digest. For more information on BDB
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encryption, see the
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<span>
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<a href="../programmer_reference/env_encrypt.html" class="olink">
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Berkeley DB Programmer's Reference Guide.
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</a>
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</span>
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</p>
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</div>
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<div class="sect2" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h3 class="title"><a id="sql_see"></a>SQLite Encryption Extension</h3>
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</div>
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</div>
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</div>
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<p>
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To learn about the APIs which are used in the SQLite
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Encryption Extension (SEE), see the official
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<a class="ulink" href="http://www.hwaci.com/sw/sqlite/see.html" target="_top">
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SQLite Documentation Page.
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</a>
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</p>
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<div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
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<h3 class="title">Note</h3>
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<p>
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The Berkeley DB SQL interface does not support the
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sqlite3_rekey method.
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</p>
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</div>
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</div>
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</div>
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<div class="navfooter">
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<hr />
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<table width="100%" summary="Navigation footer">
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<tr>
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<td width="40%" align="left"><a accesskey="p" href="bdb-concepts.html">Prev</a> </td>
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<td width="20%" align="center">
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<a accesskey="u" href="dbsqlbasics.html">Up</a>
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</td>
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<td width="40%" align="right"> <a accesskey="n" href="sequencesupport.html">Next</a></td>
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</tr>
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<tr>
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<td width="40%" align="left" valign="top">Berkeley DB Concepts </td>
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<td width="20%" align="center">
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<a accesskey="h" href="index.html">Home</a>
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</td>
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<td width="40%" align="right" valign="top"> Using Sequences</td>
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</tr>
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</table>
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</div>
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</body>
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</html>
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