该标准提供了实现安全功能的技术基础，例如实现更高级别的Ajax Web服务应用程序时保持消息的完整性和保密性。
This standard delivers a technical foundation for implementing security functions, such as integrity and confidentiality in messages implementing higher-level Ajax Web services applications.
UIPI是一个安全功能，可以防止应用程序从一个较低完整性级别的发件人那里收到消息。
UIPI is a security feature that prevents messages from being received from a lower integrity level sender.
它能够提供访问控制、保密性、完整性、可用性和不可否认性五种安全服务，提高了安全级别，实现了数字签名的可视化和自动识读。
It improves security and realizes the visualization and robotization of digital signatures. It also offers five services: access control, confidentiality, integrality, usability, and non-repudiation.
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