var ta = new TrustAnchor(ca_cert, server_cert, subject, subject_alt, user_verified);
string ta_datetime_added = get_string_setting(identity, "TA_DateTime_Added", "", key_file);
if (ta_datetime_added != "") {
var ta = new TrustAnchor(ca_cert, server_cert, subject, subject_alt, user_verified);
string ta_datetime_added = get_string_setting(identity, "TA_DateTime_Added", "", key_file);
if (ta_datetime_added != "") {