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分析公钥加密体制与对称加密算法的异同点,介绍公钥加密算法实现的理论基础,重点说明椭圆加密算法的发展瓶颈,指明这种密码体制的研究方向。
The similarities and differences between public key cryptosystem and symmetric cryptosystem are analyzed. The theoretical foundation of public key cryptosystem is introduced. The bottleneck of the development of elliptic cryptosystem is pointed out, and the research direction of this cryptosystem is pointed out.