Cryptographic Services加密服务

The modules described in this chapter implement various algorithms of a cryptographic nature. 本章描述的模块实现各种密码性质的算法。They are available at the discretion of the installation. 可根据安装情况自行决定。On Unix systems, the crypt module may also be available. Here’s an overview:在Unix系统上，还可以使用crypt模块。以下是概述：