private static bool IsCertificatValid(X509Certificate2 Certificate, ClientCertificateInHeaderCollection clientCertificationCollection)
{
if (Certificate == null)
{
return(false);
}
// 1. Check time validity of certificate
if (DateTime.Compare(DateTime.Now, Certificate.NotBefore) < 0 || DateTime.Compare(DateTime.Now, Certificate.NotAfter) > 0)
{
return(false);
}
bool isValid = true;
foreach (ValidationCollection validationCollection in clientCertificationCollection.OfType <ValidationCollection>())
{
isValid = false; //reset to false if bad member.
bool validation_rejected = false;
foreach (KeyValueElement keyValue in validationCollection)
{
string value = GetCertificatValue(Certificate, keyValue.Key);
if (value != keyValue.Value)
{
validation_rejected = true;
break;
}
}
if (!validation_rejected)
{
isValid = true;
break;
}
}
return(isValid);
}
