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本文是在读了文尾的13篇文献中的部分资料后,概括整理而成。文章主要介绍公开密钥体制的基本原理;通过和常规密码体制比较,指出公开密钥体制的主要优、缺点;公开密钥密码体制在通信系统设计中的应用;RSA公开密钥密码体制及其改进型式;末尾简要介绍P.S.Henry关于“渐缩密码体制的快速解法”。
This article is based on the reading of some of the 13 documents at the end of the paper, summarized. The article introduces the basic principle of the public key system. By comparing with the conventional cryptosystem, it points out the main advantages and disadvantages of the public key cryptosystem. The application of the public key cryptosystem in the design of communication system. RSA public key cryptosystem and its Improved version; at the end a brief introduction to PSHenry’s “Quick Solution to a Reduced-Cryptosystem”.