H3C的客户端自从V2.20-0247开始有了很大的变化，使得通过黑箱的分析方法变得无效，只有通过逆向得知其加密算法才能写出兼容的客户端-The H3C client since V2.20-0247 has changed a lot, so that the black box analysis method becomes invalid, only learned through reverse its encryption algorithm to write compatible c