pe="checkbox" name="attr_sigcertv1" value="1"/>, 
SigningCertificateV2
<input type="checkbox" name="attr_sigcertv2" value="1" checked/>
</td></tr>

<tr><td>
Signature<br/>Policy</br>(for EPES)<br/>
<input type="checkbox" name="attr_sigpol_flag" value="1"/>
</td>
<td>
policy OID: 
<input type="text" name="attr_sigpol_oid" value="1.2.3.4.5" size="40"/>
<br/>
hash alg:
<select name="attr_sigpol_hashalg">
<option value="sha1">SHA-1
<option value="sha256">SHA-256
<option value="sha512">SHA-512
