With that in mind, one of the core problems of HTTP is that its authentication mechanisms assumes a single identity (the one of the user, or a server) validated by the request handler.

鉴于此，HTTP的核心问题之一就是，HTTP的认证机制会假定一个由请求处理器验证的单一身份(一个用户或一台服务器)。

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One is authentication of the identity of the creator of the message, which is called message authentication.

一种是消息创建者的身份验证，它被称为 消息身份验证。

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Authentication is concerned with reliably determining the identity of the caller.

身份验证所做的事情就是可靠地判断调用者的身份。

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Nevertheless, of the ten workshops put on by the FTC last year identity theft, security, and authentication seem to not have been addressed, although a number of workshops dealt with issues of privacy broadly.

FORBES: Yet Again Consumers Rank Identity Theft As Top Concern