<div class="content"><p> </p><p>The MQUSERSIGNCERT structure defines one public key
certificate stored in the user&#39;s signing certificate list (<span><a href="cc7a81a6-1c77-4943-b2b0-e74e2b9c466e" data-linktype="relative-path">MQUSERSIGNCERTS (section 2.2.21)</a></span>).</p><table>
 <tbody><tr>
  <th><p><br/>0</p></th>
  <th><p><br/>1</p></th>
  <th><p><br/>2</p></th>
  <th><p><br/>3</p></th>
  <th><p><br/>4</p></th>
  <th><p><br/>5</p></th>
  <th><p><br/>6</p></th>
  <th><p><br/>7</p></th>
  <th><p><br/>8</p></th>
  <th><p><br/>9</p></th>
  <th><p>1<br/>0</p></th>
  <th><p><br/>1</p></th>
  <th><p><br/>2</p></th>
  <th><p><br/>3</p></th>
  <th><p><br/>4</p></th>
  <th><p><br/>5</p></th>
  <th><p><br/>6</p></th>
  <th><p><br/>7</p></th>
  <th><p><br/>8</p></th>
  <th><p><br/>9</p></th>
  <th><p>2<br/>0</p></th>
  <th><p><br/>1</p></th>
  <th><p><br/>2</p></th>
  <th><p><br/>3</p></th>
  <th><p><br/>4</p></th>
  <th><p><br/>5</p></th>
  <th><p><br/>6</p></th>
  <th><p><br/>7</p></th>
  <th><p><br/>8</p></th>
  <th><p><br/>9</p></th>
  <th><p>3<br/>0</p></th>
  <th><p><br/>1</p></th>
 </tr>
 <tr>
  <td colspan="32">
  <p>Digest (16
  bytes)</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>...</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>...</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>Identifier
  (16 bytes)</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>...</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>...</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>CertificateLength</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>Certificate
  (variable)</p>
  </td>
 </tr>
 <tr>
  <td colspan="32">
  <p>...</p>
  </td>
 </tr>
</tbody></table><p><b>Digest (16 bytes): </b>A 16-byte value that is
computed as the MD5 hash of the user&#39;s X.509 certificate contained in the <b>Certificate</b>
field, as defined in <span><a href="https://go.microsoft.com/fwlink/?LinkId=90275" data-linktype="external">[RFC1321]</a></span>.</p><p><b>Identifier (16 bytes): </b>A <b>GUID</b>, as
specified in <span><a href="../ms-dtyp/cca27429-5689-4a16-b2b4-9325d93e4ba2" data-linktype="relative-path">[MS-DTYP]</a></span>
section <span><a href="../ms-dtyp/4926e530-816e-41c2-b251-ec5c7aca018a" data-linktype="relative-path">2.3.4</a></span>,
that identifies the certificate contained in the <b>Certificate</b> field. It
is generated by the entity that registers the certificate.</p><p><b>CertificateLength (4 bytes): </b>A 32-bit unsigned
integer that contains the size, in bytes, of the <b>Certificate</b> field.</p><p><b>Certificate (variable): </b>A variable length
array of bytes that contains an X.509-encoded certificate as defined in <span><a href="https://go.microsoft.com/fwlink/?LinkId=90414" data-linktype="external">[RFC3280]</a></span>.</p></div>