D (29) bytes
			<li><tt>06</tt> - universal type object id (OID)
			<li><tt>03</tt> - OID length of 0x3 (3) bytes
			<li><tt>55 1d 25</tt> - OID 2.5.29.37 "ExtendedKeyUsage"
			<li><tt>04</tt> - universal type octetstring
			<li><tt>16</tt> - octetstring length 0x16 (22) bytes
			<li>(octetstring is a DER document as follows):
			<li><tt>30</tt> - constructed universal type sequence
			<li><tt>14</tt> - sequence length 0x14 (20) bytes
			<li><tt>06</tt> - universal type object id (OID)
			<li><tt>08</tt> - 