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Grid computing is concerned with the sharing and coordinated use of distributed diverse resources among virtual organizations. Its distinctive features bring challenging security issues that require new approaches to trustworthy specification, design, implementation, test, deployment and operation in the Grid security development. This project makes a novel contribution to Grid security by addressing security assurance issues and applying a disciplined security engineering process for the development of high-assurance Grids. In order to realize security functions and architectures in an assured manner for the evolving Grid, an effective method is to analyze Grid security at a high level, derive disciplined security objectives and requirements, and perform security design, implementation and test following a recognized assurance framework. The generic security specifications summarize core Grid security artifacts and their dependencies, and constitute the foundation of the Grid security assurance framework proposed in this thesis which can be used to guide the development and evaluation of trustworthy Grids. A security environment has been systematically defined and security objectives derived for a generic Grid-based application execution and information sharing engine in this thesis. The security functional and assurance requirements are specified, tailored, and grouped to satisfy the objectives. Then an associated specific lower level security design and trustworthy implementation following the proposed assurance framework are presented. Such Grid security implementations are disciplined instantiations of generic security specifications, instead of simply being developed proprietarily in an undisciplined way. Their functionalities are highly assured by enforcing various assurance VIII ATTENTION: The Singapore Copyright Act applies to the use of this document. Nanyang Technological University Library

Security development for the trustworthy evolving grid