GB/T 18237.3-2000 in English

《GB/T 18237.3-2000信息技术 开放系统互连 通用高层安全 第3部分:安全交换服务元素（SESE）协议规范》由TC28（全国信息技术标准化技术委员会）归口，TC28SC6（全国信息技术标准化技术委员会数据通信分会）执行，主管部门为国家标准化管理委员会。
本系列标准定义了一组用于辅助在应用层协议中提供安全服务的通用设施。本标准定义了由安全交换服务素（SESE）提供的协议。该SESE是一个允许安全信息通用以支持在应用层内提供安全服务的ASE。

Scope

1. This series of standards defines a set of common facilities used to assist in providing security services in application layer protocols. They include: a) a set of notational tools to support the specification of select field protection requirements in abstract syntax specifications, and to support security exchange and security transformation specifications; b) service definitions for Application Service Elements (ASE), protocols The specification and PICS proforma that support security services provided within the application layer of OSI; c) the specification and PICS proforma of the security transfer syntax associated with the presentation layer that supports security services in the application layer. 2. This standard defines the services provided by Security Exchange Service Elements (SESE). The SESE is an ASE that allows communication of secure information to support the provision of security services within the application layer.