public static string GetName(DerObjectIdentifier oid)
    {
        string name = X962NamedCurves.GetName(oid);

        if (name == null)
        {
            name = SecNamedCurves.GetName(oid);
        }
        if (name == null)
        {
            name = NistNamedCurves.GetName(oid);
        }
        if (name == null)
        {
            name = TeleTrusTNamedCurves.GetName(oid);
        }
        if (name == null)
        {
            name = AnssiNamedCurves.GetName(oid);
        }
        return(name);
    }