循序渐进介绍了密码，密码学，数论-gradual introduction of passwords, cryptography, number theory

《密码学概论》 本书全面讲解了密码学的基本知识以及相关的基础数论,并对椭圆曲线、量子密码体制等密码学前沿知识进行了介绍。-"An Introduction to Cryptography" comprehensive book on cryptography and the basic knowledge base related to the number theory. also elliptic curves, quantum cryptography systems

代数数论（潘承洞潘承彪),对于数论入门的同学来说，是非常好的图书.