中文摘要：

针对流密码算法RC4教学过程中存在难以理解的问题,在分析RC4算法的基础上,本文提出了一种基于摸球模型的RC4算法教学模型和教学过程,在密码学课程教学方面取得了良好的效果。

英文摘要：

It＇s difficult to understand RC4 in the teaching process of RC4 stream cipher algorithm,based on the analysis of RC4 algorithm,a teaching model and procedure about RC4 is proposed based on pattern of dreamy balls from the pack.Teaching courses in cryptography has made good effect.