Compression

public static byte[] Compress(byte[] bytes)
        {
            using (var ms = new MemoryStream())
            {
                using (var ds = new DeflateStream(ms, CompressionMode.Compress))
                {
                    ds.Write(bytes, 0, bytes.Length);
                }
                return ms.ToArray();
            }
        }

        public static byte[] Decompress(byte[] bytes)
        {
            using (var ds = new DeflateStream(new MemoryStream(bytes), CompressionMode.Decompress))
            {
                using (var ms = new MemoryStream())
                {
                    ds.CopyTo(ms);
                    return ms.ToArray();
                }
            }
        }