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主要讨论基于椭圆曲线的有关数据加密/解密算法。首先在实数域、有限域(GF(2m))上讨论椭圆曲线的有关教学知识,并导出椭圆曲线上点的代数意义及其(加法)运算。然后讨论了椭圆曲线在ElGamal密码体制中进行数据加密/解密的实现过程。
Mainly based on the elliptic curve related to data encryption / decryption algorithm. First of all, we discuss the teaching of elliptic curve in real number field and finite field (GF (2m)) and derive the algebraic meaning of the point on the elliptic curve and its addition. Then we discuss the implementation of elliptic curve encryption / decryption in ElGamal cryptosystem.