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

        private bool CollectionsAreEqual(ICollection coll1, ICollection coll2)
        {
            if (coll1 == coll2)
            {
                return true;
            }
            if (coll1 == null || coll2 == null)
            {
                return false;
            }
            if (coll1.Count != coll2.Count)
            {
                return false;
            }
            IEnumerator it1 = coll1.GetEnumerator();

            while (it1.MoveNext())
            {
                Object a = it1.Current;
                IEnumerator it2 = coll2.GetEnumerator();
                bool found = false;
                while (it2.MoveNext())
                {
                    Object b = it2.Current;
                    if (SpecialEquals(a, b))
                    {
                        found = true;
                        break;
                    }
                }
                if (!found)
                {
                    return false;
                }
            }
            return true;
        }