Org.BouncyCastle.Pkix.PkixNameConstraintValidator.UnionIP C# (CSharp) Метод

        private ISet UnionIP(ISet excluded, byte[] ip)
        {
            if (excluded.IsEmpty)
            {
                if (ip == null)
                {
                    return excluded;
                }
                excluded.Add(ip);

                return excluded;
            }
            else
            {
                ISet union = new HashSet();

                IEnumerator it = excluded.GetEnumerator();
                while (it.MoveNext())
                {
                    byte[] _excluded = (byte[])it.Current;
                    union.AddAll(UnionIPRange(_excluded, ip));
                }

                return union;
            }
        }