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Model-driven trust negotiation for Web services

机译:Web服务的模型驱动的信任协商

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摘要

Trust negotiation is an approach to access control whereby access is granted based on trust established in a negotiation between the service requester and the service provider. Trust negotiation systems avoid several problems facing traditional access control models such as DAC (discretionary access control) and MAC (mandatory access control). Another problem is that Web service providers often do not know requesters identities in advance because of the ubiquitousness of services. We describe Trust-Serv, a trust negotiation framework for Web services, which features a policy language based on state machines. It is supported by lifecycle management and automated runtime enforcement tools. Credential retrieval and validation in Trust-Serv rely on predefined Web services that provide interactions with attribute assertion authorities and public key infrastructure.
机译:信任协商是一种访问控制方法,其中,基于服务请求者和服务提供者之间的协商中建立的信任来授予访问权限。信任协商系统避免了传统访问控制模型(如DAC(自由访问控制)和MAC(强制访问控制))所面临的若干问题。另一个问题是,由于服务的普遍性,Web服务提供者通常不事先知道请求者的身份。我们描述了Trust-Serv,这是Web服务的信任协商框架,其特征在于基于状态机的策略语言。它由生命周期管理和自动化的运行时实施工具支持。 Trust-Serv中的凭证检索和验证依赖于预定义的Web服务,该服务提供与属性声明权限和公钥基础结构的交互。

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