用户认证层提供客户端身份验证以及多种验证方法。
A user authentication layer provides authentication for clients as well as several authentication methods.
用户认证协议：该协议从服务器到客户端进行身份验证，且通过传输层运行。
User Authentication protocol: This protocol authenticates the client to the server and runs over the transport layer.
但是，在开始之前，请注意在上一篇文章(“身份验证和授权”)中，我加入的认证使UI中出现一个细小的bug。
But before you get started, the authentication I added in the preceding article (" authentication and authorization ") introduced a subtle bug in the UI.
传输层可媲美传输层安全(Transport Layer Security,TLS)，而且您可以运用定制的身份验证方法来扩展用户认证层。
The transport layer is comparable to transport layer Security (TLS), and you can employ custom authentication methods to extend the user authentication layer.
此方案能够进行双向的身份验证，有效地防止了冒充攻击、重放攻击和小数攻击，从而提高了认证系统的安全性。
This two-way identity authentication scheme effectively prevents imitate attack, replay attack and decimal fraction attack. And the security of authentication system is enhanced.
统一身份认证是数字化校园的基础，其提出的目的就是要解决校园中各应用系统用户名和口令不统一、身份验证方式各自为政的现状。
Unified identity is the basis for the digital campus and its purpose is to solve such problems as disunity between the system users and different ways of identity authentication.
身份验证，就是用户进入信息系统时，系统必须对用户进行身份的合法性鉴别认证，防止非法用户进入系统。
Authentication is, when users log in information system, the system must authenticate the users 'legal status in order to prevent illegal users 'login.
进入选课系统之前需进行身份验证，即实现用户登录认证。
Before entering the elective system need to authenticate that user login authentication.
RESTAPI两因素身份验证基本认证吗？
RESTAPI两因素身份验证基本认证吗？
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