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Robust Metering Schemes for General Access Structures

机译:通用通道结构的鲁棒计量方案

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摘要

In order to decide on advertisement fees for web servers, Naor and Pinkas introduced (threshold) metering schemes secure against coalitions of corrupt servers and clients. They show that one should be able to detect illegal behavior of clients, i.e., one needs to verify the shares received from clients. Most metering schemes do not offer this feature. But Ogata and Kurosawa pointed out a minor flaw in the extension protocol by Naor and Pinkas providing detection of such illegal behavior and propose a correction. In this paper we extend the linear algebra approach from Nikov et al. in order to build robust unconditionally secure general metering schemes. As a tool to achieve this goal we introduce doubly-labelled matrices and an operation on such matrices. Certain properties of this operation are proven.
机译:为了确定Web服务器的广告费用,Naor和Pinkas引入了(阈值)计费方案,以防止损坏的服务器和客户端联合。它们表明,一个人应该能够检测到客户的非法行为,即,一个人需要验证从客户那里收到的股份。大多数计量方案不提供此功能。但是Ogata和Kurosawa指出了Naor和Pinkas的扩展协议中的一个小缺陷,它提供了对这种非法行为的检测并提出了更正。在本文中,我们扩展了Nikov等人的线性代数方法。为了建立健壮的无条件安全的通用计量方案。作为实现此目标的工具,我们引入了双标签矩阵以及对此类矩阵的操作。该操作的某些属性已得到证明。

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