The security of the improvement on the generalization of threshold signature and authenticated encryption

Narn Yih Lee

The security of the improvement on the generalization of threshold signature and authenticated encryption

Narn Yih Lee

Computer and Network Center

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

Wang et al., in 2000, proposed a generalized group-oriented threshold signature scheme and a generalized authenticated encryption scheme with shared verification. Tseng et al., in 2001, showed that both schemes are insecure, because any attacker is able to reveal the group secret keys from two previously valid threshold signatures. They further presented two improvements on Wang et al.'s schemes to against the attacks. Unfortunately, this paper will show that the improved schemes are still breakable.

Original language	English
Pages (from-to)	2364-2367
Number of pages	4
Journal	IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Volume	E85-A
Issue number	10
Publication status	Published - 2002 Oct

All Science Journal Classification (ASJC) codes

Signal Processing
Computer Graphics and Computer-Aided Design
Electrical and Electronic Engineering
Applied Mathematics

Cite this

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The security of the improvement on the generalization of threshold signature and authenticated encryption

Abstract

All Science Journal Classification (ASJC) codes

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