To tackle this problem, many researchers propose different ways to make users ' privacy preserving and most of them focus on how to confuse users ' true identities, or hide users ' exact position while a user is in a cloaking square. 为了应对这一问题,许多研究者提出不同方法保护用户隐私,如混淆用户真实身份,隐藏用户所在位置等,最为典型的方法是k匿名机制。
Don't use active listening to hide and avoid revealing your own position. 不要利用主动的听来掩藏和回避表达自己的立场。
Therefore, a covert channel based on multi-layer protocol is designed. The idea is that concealed information is hidden in application layer, the transport layer, network layer. In order to hide multiple concealed information in different position of a packet. 其基本思想是利用单层协议中构建隐通道的方法,在TCP/IP的应用层、传输层和网络层各层实现信息隐藏,从而实现在一个数据包的不同位置同时隐藏多个隐蔽信息。
To do this you would hide the system one, track mouse position or movement and display your own image in the needed place. 要做到这点,你需要隐藏系统光标,然后跟踪鼠标位置或移动并且在需要的地方显示你自己的光标图片。