Authentication and authorization are the core technology of grid security and have the important function for the safe grid communication.

认证与授权技术是网格安全的核心，在保证网格安全通信中起到了至关重要的作用。

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Security is one of the key factors in Grid environment. The Grid security include data integrity, data privacy, authentication, authorization and audit.

安全性是网格环境中的关键因素之一，网格的安全性主要包括数据的一致性、私有性、认证、授权与审计。

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Grid security problem has not just involved in a single domain authentication and authorization, but in multiple heterogeneous domains mutual authentication and authorization issues.

网格安全问题已经不仅仅涉及单个域内认证授权问题，而是在多个异构域的相互认证授权问题。

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