To be more secure, crypto-chips should be protected against simple power analysis attack and differential power analysis attack.

为进一步提高密码芯片的安全性，密码芯片必须防止简单能量分析和差分能量分析的攻击。

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This paper introduces attacks about Simple Power Analysis (SPA) and Differential Power Analysis (DPA).

本文主要介绍攻击智能卡的简易功率分析(SPA)，微分功率分析(DPA)。

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