static bool CheckDomainName (string subjectName, string targetHost)
{
string domainName = String.Empty;
Regex search = new Regex(@"CN\s*=\s*([^,]*)");
MatchCollection elements = search.Matches(subjectName);
if (elements.Count == 1) {
if (elements[0].Success)
domainName = elements[0].Groups[1].Value.ToString();
}
return Match (targetHost, domainName);
}