AppUpdater.Utils.Checksum.Calculate C# (CSharp) Method

        public static string Calculate(Stream stream)
        {
            if (stream == null)
            {
                throw new ArgumentNullException("stream");
            }

            SHA256Managed sha = new SHA256Managed();
            byte[] checksum = sha.ComputeHash(stream);
            StringBuilder sb = new StringBuilder();
            foreach (byte b in checksum)
            {
                sb.Append(b.ToString("X2"));
            }

            return sb.ToString();
        }