A security architecture for mobile agents in Ajanta

Neeran M. Karnik, A. Tripathi
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引用次数: 65

Abstract

A mobile agent represents a computation that can autonomously migrate in a network to perform tasks on behalf of its creator. This paper describes the security architecture of Ajanta, a Java-based system for mobile agent programming. This architecture provides mechanisms to protect server resources from malicious agents, agent data from tampering by malicious servers, and to protect the system infrastructure itself. An agent can carry three kinds of protected data: read-only objects, objects visible only to specific servers, and a secure append-only list of objects. Agents' access to server resources is controlled using a proxy-based mechanism. A generic authentication protocol is used for all sensitive client-server interactions. Ajanta also supports communication between remote agents using RMI, which can be controlled by the servers' security policies.
Ajanta中移动代理的安全体系结构
移动代理代表一种计算,它可以在网络中自主迁移,代表其创建者执行任务。介绍了基于java的移动代理编程系统Ajanta的安全体系结构。该体系结构提供了保护服务器资源不受恶意代理侵害、代理数据不受恶意服务器篡改以及保护系统基础设施本身的机制。代理可以携带三种受保护的数据:只读对象、仅对特定服务器可见的对象和安全的仅追加对象列表。代理对服务器资源的访问使用基于代理的机制进行控制。通用身份验证协议用于所有敏感的客户机-服务器交互。Ajanta还支持使用RMI在远程代理之间进行通信,RMI可以由服务器的安全策略控制。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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