public SubjectAltNameExtension(string[] rfc822, string[] dnsNames,
string[] ipAddresses, string[] uris)
{
_names = new GeneralNames(rfc822, dnsNames, ipAddresses, uris);
// 0x04 for string decoding and then the General Names!
extnValue = new ASN1(0x04, _names.GetBytes());
extnOid = "2.5.29.17";
// extnCritical = true;
}