Investigation and Survey of Secret Sharing in Verifiable Distributed Systems

Kun Peng
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引用次数: 3

Abstract

The two most recent PVSS (publicly verifiable secret sharing) schemes are illustrated to be vulnerable to a simple attack. Moreover, one of them has to deteriorate its efficiency greatly to meet practical security requirement. The attack makes the share holders to receive incorrect shares, which will lead secret reconstruction to mistake. The efficiency deterioration is so serious that no practical application can tolerate it. So the two most recent PVSS schemes actually cannot work reliably and efficiently as they claim.
可验证分布式系统中秘密共享的研究与探讨
两个最新的PVSS(公开可验证的秘密共享)方案被证明容易受到简单的攻击。而且,为了满足实际的安全要求,其中一个算法的效率必须大大降低。攻击使股东收到不正确的股份,这将导致秘密重建的错误。效率的下降是如此严重,以至于没有任何实际应用可以容忍。因此,两种最新的PVSS方案实际上不能像他们声称的那样可靠有效地工作。
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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