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椭圆曲线加密算法是目前已知的公共密钥体系中加密强度最高的一种算法,为了将其破解,采用边信道攻击,即通过对密码机在加密过程中的功率变化的分析来尝试获取密钥信息,从而绕过了从数学上破译椭圆曲线密钥极其困难的问题。所搭建的实验平台,利用示波器探测正在运行加密程序的设备,对其中进行差分功率分析,从而找到加密规则。实验结果验证了所采用方法的有效性。
Elliptic Curve Cryptography (ECDC) algorithm is the most popular algorithm in public key cryptography. In order to crack it, it uses edge channel attack, that is, it attempts to acquire the secret by analyzing the change of power in the cryptographic process Key information, thus bypassing the extremely difficult problem of mathematically deciphering elliptic curve keys. The experimental platform is set up, the oscilloscope is used to detect the device that is running the encryption program, and differential power analysis is performed on the device to find the encryption rules. The experimental results verify the effectiveness of the proposed method.