这本开放存取的书系统地探索了密码系统的统计特性、密码算法的计算复杂性理论以及各种加密和解密算法背后的数学原理。这一理论源于技术。本书以香农的信息论为基础，系统介绍了公钥密码的信息论、统计特性和计算复杂性理论，重点介绍了公钥密码的三种主要算法：RSA、离散对数和椭圆曲线密码体制。它的目的是说明它是什么以及为什么。它系统地简化和梳理了晶格密码的理论和技术，这是本书的最大特点。
Modern Cryptography Volume 1: A Classical Introduction to Informational and Mathematical Principle
This open access book systematically explores the statistical characteristics of cryptographic systems, the computational complexity theory of cryptographic algorithms and the mathematical principles behind various encryption and decryption algorithms. The theory stems from technology. Based on Shannon’s information theory, this book systematically introduces the information theory, statistical characteristics and computational complexity theory of public key cryptography, focusing on the three main algorithms of public key cryptography, RSA, discrete logarithm and elliptic curve cryptosystem. It aims to indicate what it is and why it is. It systematically simplifies and combs the theory and technology of lattice cryptography, which is the greatest feature of this book.
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