public class JpegExtensions
{
	public static Stream StripExif(Stream inStream, Stream outStream)
	{
		byte[] jpegHeader = new byte[2];
		jpegHeader[0] = (byte)inStream.ReadByte();
		jpegHeader[1] = (byte)inStream.ReadByte();
		
		if (jpegHeader[0] == 0xff && jpegHeader[1] == 0xd8) //check if it's a jpeg file
		{
			SkipHeader(inStream);
		}
		
		outStream.WriteByte(0xff);
		outStream.WriteByte(0xd8);

		int readCount;
		byte[] readBuffer = new byte[4096];
		while ((readCount = inStream.Read(readBuffer, 0, readBuffer.Length)) > 0)
			outStream.Write(readBuffer, 0, readCount);

		return outStream;
	}

	private static void SkipHeader(Stream inStream)
	{
		byte[] header = new byte[2];
		header[0] = (byte)inStream.ReadByte();
		header[1] = (byte)inStream.ReadByte();

		while (header[0] == 0xff && (header[1] >= 0xe0 && header[1] <= 0xef))
		{
			int exifLength = inStream.ReadByte();
			exifLength = exifLength << 8;
			exifLength |= inStream.ReadByte();

			for (int i = 0; i < exifLength - 2; i++)
			{
				inStream.ReadByte();
			}
			
			header[0] = (byte)inStream.ReadByte();
			header[1] = (byte)inStream.ReadByte();
		}
		inStream.Position -= 2; //skip back two bytes
	}
}