public static BasicConstraints GetInstance(object obj)
{
if (obj == null || obj is BasicConstraints)
{
return((BasicConstraints)obj);
}
if (obj is Asn1Sequence)
{
return(new BasicConstraints((Asn1Sequence)obj));
}
if (obj is X509Extension)
{
return(BasicConstraints.GetInstance(X509Extension.ConvertValueToObject((X509Extension)obj)));
}
throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
}