NKC/NKC_WF/Compressor.cs

using System.IO;
using System.IO.Compression;

namespace NKC_WF
{
    public static class Compressor
    {
        #region Public Methods

        public static byte[] Compress(byte[] data)
        {
            MemoryStream output = new MemoryStream();
            GZipStream gzip = new GZipStream(output,
                              CompressionMode.Compress, true);
            gzip.Write(data, 0, data.Length);
            gzip.Close();
            return output.ToArray();
        }

        public static byte[] Decompress(byte[] data)
        {
            byte[] answ = new byte[1];
            MemoryStream input = new MemoryStream();
            input.Write(data, 0, data.Length);
            input.Position = 0;
            GZipStream gzip = new GZipStream(input,
                              CompressionMode.Decompress, true);
            using (MemoryStream output = new MemoryStream())
            {
                byte[] buff = new byte[64];
                int read = -1;
                read = gzip.Read(buff, 0, buff.Length);
                while (read > 0)
                {
                    output.Write(buff, 0, read);
                    read = gzip.Read(buff, 0, buff.Length);
                }
                gzip.Close();
                answ = output.ToArray();
            }
            return answ;
        }

        #endregion Public Methods
    }
}