نتایج جستجو برای: xacml
تعداد نتایج: 771 فیلتر نتایج به سال:
This specification registers an XML-based media type for the eXtensible Access Control Markup Language (XACML). Status of This Memo This document is not an Internet Standards Track specification; it is published for informational purposes. This is a contribution to the RFC Series, independently of any other RFC stream. The RFC Editor has chosen to publish this document at its discretion and mak...
The interaction between different applications and services requires expressing their security properties. This is typically defined as security policies, which aim at specifying the diverse privileges of different actors. Today similarity measure for comparing security policies becomes a crucial technique in a variety of scenarios, such as finding the cloud service providers which satisfy clie...
Web Services and the Grid allow distributed research teams to form dynamic, multi-institutional virtual organizations sharing high performance computing resources, large scale data sets and instruments for solving computationally intensive scientific applications, thereby forming Virtual Laboratories. This paper aims at exploring security issues of such distributed scientific laboratories and t...
Attribute-based Access Control (ABAC) was recently proposed as a general model which is able to capture the main existing access control models. This paper discusses the problems of configuring ABAC and engineering access policies. We question how to design attributes, how to assign attributes to subjects, objects, actions, and how to formulate access policies which bind subjects to objects and...
Data types like trees which are nitely branching and of (possibly) innnite depth are described by iterating initial algebras and terminal coalgebras. We study proof principles for such data types in the context of categorical logic, following and extending the approach of 14, 15]. The technical contribution of this paper involves a description of initial algebras and terminal coalgebras in tota...
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