/// <summary>
/// 解析加密后的数据包得到原始数据包
/// </summary>
/// <param name="dataCache"></param>
public static byte[] DeMakeData(byte[] buffer)
{
// 拆包得到数据包
byte[] bufferNew = new byte[buffer.Length - 3];
bool IsComPressLen = false;
ushort crc = 0;
using (MMO_MemoryStream ms = new MMO_MemoryStream(buffer))
{
//是否压缩
IsComPressLen = ms.ReadBool();
crc = ms.ReadUShort();
ms.Read(bufferNew, 0, bufferNew.Length);
}
//1、crc校验
ushort newCrc = CRC16.CalculateCrc16(bufferNew);
if (newCrc == crc)
{
//2、异或后的原始数据包
bufferNew = SecurityUtil.Xor(bufferNew);
if (IsComPressLen)
{
//3、解压缩 bufferNew是真实数据
bufferNew = ZlibHelper.deCompressBytes(bufferNew);
}
}
return(bufferNew);
}