A Public Keys Based Architecture for P2P Identification, Content Authenticity and Reputation

Neander Larsen Brisola, A. Santin, L. Lung, H. B. Ribeiro, Marcelo H. Vithoft
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引用次数: 1

Abstract

In the classic use of P2P, e.g. file sharing, there is no concern about persistent peer identification, peer and content reputation and content authenticity. Security proposals currently found in technical literature try to adapt techniques from client-server architecture to P2P environments, which it is not the most appropriate approach. This work proposes applying public keys to identify peers. It allows creating a persistent identification scheme, without losing anonymity, even in a self-managed environment as P2P. Also, it applies digital signature to provide authenticity to the P2P content and to guarantee non-repudiation in the content transfer. In order to provide credibility to the non-certified content and public keys a reputation mechanism is applied. We have developed a prototype to show the benefits of this approach.
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基于公钥的P2P身份、内容真实性和声誉体系结构
在P2P的经典应用中,例如文件共享,不需要考虑持久的对等识别、对等和内容的信誉以及内容的真实性。目前在技术文献中发现的安全建议试图将客户机-服务器架构的技术适应于P2P环境,这不是最合适的方法。这项工作建议使用公钥来识别对等体。它允许创建一个持久的标识方案,而不会失去匿名性,即使在P2P这样的自我管理环境中也是如此。同时,采用数字签名为P2P内容提供真实性,保证内容传输过程中的不可否认性。为了向未经认证的内容和公钥提供可信度,应用了信誉机制。我们已经开发了一个原型来展示这种方法的好处。
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