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14<h1 align="left">AESCounter <IMG src="../../image/TWL.gif" width="23" height="12" border="0" align="middle"></h1>
15<h2>Syntax</h2>
16
17<dl>
18  <dd>
19  <pre><CODE>#include &lt;twl/aes.h&gt;
20
21#define AES_COUNTER_SIZE        16  // 128 bit
22
23typedef union AESCounter
24{
25    u8  bytes[AES_COUNTER_SIZE];
26    u32 words[AES_COUNTER_SIZE/sizeof(u32)];
27}
28AESCounter;
29</CODE></pre><br>
30</dd>
31</dl>
32
33<H2>Members</H2>
34<TABLE border="1" width="100%" class="members">
35  <TBODY>
36    <TR>
37      <TH>bytes</TH>
38      <TD>AES initial counter value, expressed as a byte array.</TD>
39    </TR>
40    <TR>
41      <TH>words</TH>
42      <TD>AES initial counter value, expressed as a word array. Note that the TWL is a little-endian machine.</TD>
43    </TR>
44  </TBODY>
45</TABLE>
46
47<H2>Description</H2>
48<P>
49Union for storing the initial counter value used to scramble the encryption results of CTR-mode AES.
50</P>
51
52<H2>Revision History</H2>
53<P>
542007/12/25 Initial version.
55</P>
56<hr><p>CONFIDENTIAL</p></body>
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