CSharp GZip

ZipMng.cs

public static class ZipMng
{
    public static byte[] Compress(byte[] originalData)
    {
        using (MemoryStream outms = new MemoryStream())
        {
            using (MemoryStream inms = new MemoryStream(originalData))
            {
                using (GZipStream gzs = new GZipStream(outms, CompressionMode.Compress))
                {
                    byte[] buffer = new byte[81920];
                    int read = 0;
                    while ((read = inms.Read(buffer, 0, buffer.Length)) != 0)
                    {
                        gzs.Write(buffer, 0, read);
                    }
                }
            }
            return outms.ToArray();
        }
    }

    public static byte[] Decompress(byte[] compressedData)
    {
        using (MemoryStream outms = new MemoryStream())
        {
            using (MemoryStream inms = new MemoryStream(compressedData))
            {
                using (GZipStream gzs = new GZipStream(inms, CompressionMode.Decompress))
                {
                    byte[] buffer = new byte[81920];
                    int read = 0;
                    while ((read = gzs.Read(buffer, 0, buffer.Length)) != 0)
                    {
                        outms.Write(buffer, 0, read);
                    }
                }
            }
            return outms.ToArray();
        }
    }
}