它是对身份验证、消息来源验证和完整性以及消息机密性进行抽象的一组编程接口集合。
Therefore any user that has the authority to pass or set identity context on SYSTEM.COMMAND.INPUT or its alias can, potentially, issue a command with some other userid's authority.因此,任何有权在SYSTEM.COM MAND . INPUT或它的别名上传递或设置身份上下文的用户都有可能使用其他userid的权限发出命令。
Society gives us language, a worldview, an identity, a set of rules and rituals to live by.社会赋予了我们语言,世界观,身份,生存依靠的一套准则和礼仪。