1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2<html> 3 4<head> 5<META http-equiv="Content-Type" content="text/html; charset=windows-1252"> 6<META name="GENERATOR" content="IBM WebSphere Studio Homepage Builder Version 8.0.0.0 for Windows"> 7<META http-equiv="Content-Style-Type" content="text/css"> 8<title>MATHCRC*Context</title> 9<LINK rel="stylesheet" href="../../css/nitro.css" type="text/css"> 10</head> 11 12<body> 13 14<h1 align="left">MATHCRC*Context <img src="../../image/NTR.gif"align="middle"><img src="../../image/TWL.gif" align="middle"></H1> 15<H2>Syntax</H2> 16 17<dl> 18 <dd> 19<PRE> 20<CODE>#include <nitro/math/crc.h><BR> 21typedef u8 MATHCRC8Context; 22typedef u16 MATHCRC16Context; 23typedef u32 MATHCRC32Context; 24</CODE></PRE> 25 </dd> 26</dl> 27<H2>Description</H2> 28<P>This is the context structure used for CRC calculations. Initialize it using a <CODE><A href="MATH_CRCInit.html">MATH_CRC*Init</A></CODE> function, provide the input data with a <CODE><A href="MATH_CRCUpdate.html">MATH_CRC*Update</A></CODE> function, and get the message digest value with a <CODE><A href="MATH_CRCGetHash.html">MATH_CRC*GetHash</A></CODE> function. <BR> CRC (Cyclic Redundancy Check: an error detection method that uses check values. 29</P> 30 31<h2>See Also</h2> 32<P><a href="MATH_ChecksumInit.html"><code>MATH_Checksum*Init</code></a>, <a href="MATH_ChecksumUpdate.html"><code>MATH_Checksum*Update</code></a>, <a href="MATH_ChecksumGetHash.html"><code>MATH_Checksum*GetHash</code></a></P> 33<H2>Revision History</H2> 34<P> 352005/04/12 Initial version. 36</P> 37<hr><p>CONFIDENTIAL</p></body> 38</html> 39