RSA算法是当前广泛应用的安全算法,作为具体应用,PGP软件将其广泛应用于数据加密,邮件加密等,本文简单介绍了使用PGP软件进行邮件加密保护的思路引言当今互联网经过多年发展丰富,已经深入社会生活的各个角落,逐渐提供了包括娱乐,资源共享,云存储,电子商务,远程教育等等服务,但是有一个功能是从互联网诞生之初,直到现在都是互联网服务的关键组成部分,那就是收发电子邮件,而且随着网络的普及,电子邮件由于其快捷、便利,易于管理等特点,愈发在工作和日常生活 RSA algorithm is currently widely used security algorithms, as a specific application, PGP software widely used in data encryption, mail encryption, this article briefly introduced the use of PGP software for mail encryption protection ideas Introduction Internet today after years of development, has been In all aspects of social life, it has gradually provided services including entertainment, resource sharing, cloud storage, e-commerce and distance education. However, one of the functions is that Internet has been a key component of Internet services since the birth of the Internet, That is to send and receive e-mail, but with the popularity of the network, e-mail because of its fast, convenient, easy to manage and other characteristics, increasingly in work and daily life