This paper firstly shows the vulnerability for power analysis attacks of straightforward AES then simulates DPA attack of original AES algorithm and modified AES algorithm on the virtual smartcard respectively, finally analyse the results.

• 分析了高级加密标准(AES)算法易于受到DPA攻击的环节,使用PINPAS工具分别对采用原始AES算法和改进AES算法的仿真智能卡做了DPA攻击测试,并分析了其测试结果。