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Elsevier, Information Processing Letters, 3(88), p. 119-120

DOI: 10.1016/s0020-0190(03)00360-0

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Cryptanalysis of a Pay-As-You-Watch System

Journal article published in 2003 by Marc Joye
This paper is available in a repository.
This paper is available in a repository.

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Abstract

In this paper, we exhibit security flaws in MICROCAST payas -you-watch system. From the sole knowledge of public parameters, we show how any intruder is able to forge a coin and so to freely get access to the service.