ANSI X9。95-2016规定了金融服务环境中有效使用时间戳的最低安全要求。在本标准的范围内，讨论了以下主题:时间戳令牌整个生命周期的安全管理要求，包括生成、传输和存储、验证和更新过程。本标准中的要求确定了安全且可验证地将时间从国家时间源分配到应用级别的方法；时间戳管理局（TSA）的安全管理要求；TSA的要求，以确保独立第三方能够审计和验证对时间戳流程使用的控制；时间戳数据的编码、封装、传输、存储、完整性和隐私保护技术； 使用时间戳技术。

ANSI X9.95-2016 specifies the minimum security requirements for the effective use of time stamps in a financial services environment. Within the scope of this Standard the following topics are addressed: Requirements for the secure management of the time stamp token across its life cycle, comprised of the generation, transmission and storage, validation, and renewal processes. The requirements in this Standard identify the means to securely and verifiably distribute time from a national time source down to the application level; Requirements for the secure management of a Time Stamp Authority (TSA); Requirements of a TSA to ensure that an independent third party can audit and validate the controls over the use of a time stamp process; Techniques for the coding, encapsulation, transmission, storage, integrity and privacy protection of time stamp data; Usage of time stamp technology.