An improved encryption algorithm for enhancing IPSec VPN data security is investigated based on the new encryption standard AES (Advanced Encryption Standard) and the securer ECC (Elliptic Curve Cryptography).

• 本文基于新一代分组加密标准AES和高强度的椭圆曲线密码体制ECC研究增强IPSec VPN数据安全性的改进加密算法,所做的主要研究工作如下: