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7    <title>UpdateFinal</title>
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10    <h1><CODE><a href="../../../nn/Overview.html">nn</a>::<a href="../../../nn/crypto/Overview.html">crypto</a>::<a href="../../../nn/crypto/Decryptor/Overview.html">Decryptor</a>::UpdateFinal</CODE> Member Function</h1>
11    <h2>Syntax</h2>
12    <div class="section">
13      <pre class="definition">
14virtual size_t UpdateFinal(
15     void * pDst,
16     size_t dstSize
17) = 0;
18</pre>
19    </div>
20    <h2>Parameters</h2>
21    <div class="section">
22      <table class="arguments">
23        <thead>
24          <tr>
25            <td width="15" />
26            <th>Name</th>
27            <td>Description</td>
28          </tr>
29        </thead>
30        <tr>
31          <td>out</td>
32          <th>pDst</th>
33          <td>Pointer to the buffer storing the decryption results.</td>
34        </tr>
35        <tr>
36          <td>in</td>
37          <th>dstSize</th>
38          <td>Size of the buffer specified by <SPAN class="argument">pDst</SPAN>.</td>
39        </tr> </table>
40    </div>
41    <h2>Return Values</h2>
42    <div class="section">Returns the number of bytes written to <SPAN class="argument">pDst</SPAN>. </div>
43    <h2>Description</h2>
44    <div class="section">
45      <p>Finalizes decryption.</p><p>You must call this function after finishing your series of encryption operations by calls to the <CODE><a href="../../../nn/crypto/Decryptor/Update.html">Update</a></CODE> function.</p><p>The size of the buffer required for <SPAN class="argument">pDst</SPAN> is (the total of all <SPAN class="argument">size</SPAN> values specified in the <CODE>Update</CODE> function calls) - (the total of all <CODE>Update</CODE> function return values).</p><p>The function fails and displays an error if the size of the return value is larger than the buffer size specified in <SPAN class="argument">dstSize</SPAN>. Data is not written to the buffer beyond the size specified in <SPAN class="argument">dstSize</SPAN>. If the size of the return value is not larger than <SPAN class="argument">dstSize</SPAN>, the function indicates a successful completion and writes the size of the return value in <SPAN class="argument">pDst</SPAN>.</p><p>If this function fails, decryption cannot continue. You must then try again, starting by calling the <CODE><a href="../../../nn/crypto/Decryptor/Initialize.html">Initialize</a></CODE> function.</p><!-- write here --></div>
46    <h2>Revision History</h2>
47    <div class="section">
48      <dl class="history">
49        <dt>2011/10/27</dt>
50        <dd>Initial version.<br />
51        </dd>
52      </dl>
53    </div>
54  <hr><p>CONFIDENTIAL</p></body>
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