private static X509Certificate2 LoadCertificate(string certificateSubject)
{
X509Store x509Store = new X509Store(StoreLocation.LocalMachine);
X509Certificate2 result;
try
{
x509Store.Open(OpenFlags.ReadOnly);
X509Certificate2 x509Certificate = CertificateStore.FindLatestCertificate(x509Store, X509FindType.FindBySubjectName, certificateSubject) ?? CertificateStore.FindLatestCertificate(x509Store, X509FindType.FindBySubjectDistinguishedName, certificateSubject);
if (x509Certificate == null)
{
throw new InvalidOperationException("Unable to load certificate.");
}
result = x509Certificate;
}
finally
{
x509Store.Close();
}
return(result);
}
