System.Security.Cryptography.HMACSHA384.Dispose C# (CSharp) Method

        protected override void Dispose(bool disposing)
        {
            if (disposing)
            {
                HMACCommon hMacCommon = _hMacCommon;
                _hMacCommon = null;
                if (hMacCommon != null)
                    hMacCommon.Dispose(disposing);
            }
            base.Dispose(disposing);
        }