ISO/IEC 9797-1:20 11规定了六种MAC算法，它们使用密钥和n位分组密码来计算m位MAC。 ISO/IEC 9797-1:20 11可应用于任何安全架构、流程或应用程序的安全服务。 关键管理机制不在ISO/IEC 9797-1:20 11的范围内。 ISO/IEC 9797-1:20 11规定了可用于根据ISO/IEC 8825-1识别每个机构的对象标识符。提供了六种指定算法中每一种的数值例子和安全性分析，并解释了ISO/IEC 9797-1:20 11与以前标准的关系。

ISO/IEC 9797-1:2011 specifies six MAC algorithms that use a secret key and an n-bit block cipher to calculate an m-bit MAC. ISO/IEC 9797-1:2011 can be applied to the security services of any security architecture, process, or application. Key management mechanisms are outside the scope of ISO/IEC 9797-1:2011. ISO/IEC 9797-1:2011 specifies object identifiers that can be used to identify each mechanism in accordance with ISO/IEC 8825-1. Numerical examples and a security analysis of each of the six specified algorithms are provided, and the relationship of ISO/IEC 9797-1:2011 to previous standards is explained.