This paper briefly introduced two methods of encryption algorithm, analyzed the advantages of windows encryption and RSA, proposed a new encryption method of digital packaging.

• 概要介绍了数据加密的两种经典方法 ,分析和比较了秘密天窗加密算法和 RSA加密算法的优缺点 ,在综合秘密天窗算法和 RSA算法优点的基础上进一步提出了一种新的加密方案