A simple algorithm for packing and unpacking binary byte arrays.

naive-binary-array-pack.cs

public static byte[] NaivePack(IList<byte[]> buffers)
{
    using (var stream = new MemoryStream())
    using (var bw = new BinaryWriter(stream))
    {
        bw.Write(buffers.Count);
        foreach (var b in buffers)
        {
            bw.Write(b.Length);
            bw.Write(b);
        }
        return stream.ToArray();
    }
}

public static IList<byte[]> NaiveUnpack(byte[] data)
{
    var r = new List<byte[]>();
    using (var stream = new MemoryStream())
    using (var br = new BinaryReader(stream))
    {
        var n = br.ReadInt32();
        for (var i = 0; i < n; ++i)
        {
            var localN = br.ReadInt32();
            var bytes = br.ReadBytes(localN);
            r.Add(bytes);
        }
    }
    return r;
}