1<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 2<html xml:lang="en-US" lang="en-US" xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 5 <meta http-equiv="Content-Style-Type" content="text/css" /> 6 <link rel="stylesheet" href="../../../css/manpage.css" type="text/css" /> 7 <style type="text/css"><!-- 8 span.static_style 9 { 10 font-size : 8pt; 11 color : white; 12 font-weight : bold; 13 background : #44f; 14 border-left : solid 1px #aaf; 15 border-top : solid 1px #aaf; 16 border-right : solid 1px #00c; 17 border-bottom : solid 1px #00c; 18 padding-left : 2px; 19 padding-right : 2px; 20 } 21 span.virtual_style 22 { 23 font-size : 8pt; 24 color : white; 25 font-weight : bold; 26 background : #0a0; 27 border-left : solid 1px #0f0; 28 border-top : solid 1px #0f0; 29 border-right : solid 1px #060; 30 border-bottom : solid 1px #060; 31 padding-left : 2px; 32 padding-right : 2px; 33 } 34 span.protected_style 35 { 36 font-size : 8pt; 37 color : white; 38 font-weight : bold; 39 background : #444; 40 border-left : solid 1px #ccc; 41 border-top : solid 1px #ccc; 42 border-right : solid 1px #222; 43 border-bottom : solid 1px #222; 44 padding-left : 2px; 45 padding-right : 2px; 46 } 47 --></style> 48<title>nn::util::Crc16</title> 49 </head> 50 <body> 51<h1>nn::util::Crc16 Class</h1> 52<h2>Syntax</h2> 53 <div class="section"> 54<pre class="definition">class Crc16</pre> 55 </div> 56<h2>Description</h2> 57 <div class="section"> 58<p>This is the class for calculating CRC-16.</p><p> 59 CRC-16 is an algorithm that finds an 16-bit hash value. 60 CRC-16 is the algorithm used in various compression programs including ARC and LHA. One restriction is that the hash value does not change when a leading 0 byte is appended to the start of the data. 61 </p><!-- write here --></div> 62 <a name="function" id="function"> 63<h2>Member Functions</h2> 64 <div class="section"> 65 <table class="members"> 66 <tr> 67 <td width="100"> </td> 68 <th> 69<a href="../../../nn/util/Crc16/Crc16.html">Crc16</a> 70 </th> 71<td>This is the default constructor.</td> 72 </tr> 73 <tr> 74 <td width="100"> </td> 75 <th> 76<a href="../../../nn/util/Crc16/InitializeContext.html">InitializeContext</a> 77 </th> 78<td>Initializes the context used for calculating CRC-16 hash values.</td> 79 </tr> 80 <tr> 81 <td width="100"> </td> 82 <th> 83<a href="../../../nn/util/Crc16/Update.html">Update</a> 84 </th> 85<td>Updates the CRC-16 hash value with the input data.</td> 86 </tr> 87 <tr> 88 <td width="100"> </td> 89 <th> 90<a href="../../../nn/util/Crc16/GetHash.html">GetHash</a> 91 </th> 92<td>Gets the final result of calculating the CRC-16 hash value.</td> 93 </tr> 94 <tr> 95 <td width="100"> 96<span class="static_style" title="static">S</span> </td> 97 <th> 98<a href="../../../nn/util/Crc16/Calculate.html">Calculate</a> 99 </th> 100<td>Calls all the associated functions needed to calculate CRC-16, and gets the calculation result.</td> 101 </tr> </table> 102 </div> 103 </a> 104<h2>Revision History</h2> 105 <div class="section"> 106 <dl class="history"> 107 <dt>2010/10/15</dt> 108<dd>Initial version.<br /> 109 </dd> 110 </dl> 111 </div> 112 <hr><p>CONFIDENTIAL</p></body> 113</html> 114