Rogue Key Attacks on Lu et al.'s Verifiably Encrypted Signature Scheme

Bennian DOU; Hong ZHANG; Chun-Hua CHEN; Chungen XU

doi:10.1587/transfun.E96.A.242

IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences

Online ISSN : 1745-1337
Print ISSN : 0916-8508

Special Section on Cryptography and Information Security

Rogue Key Attacks on Lu et al.'s Verifiably Encrypted Signature Scheme

Bennian DOU, Hong ZHANG, Chun-Hua CHEN, Chungen XU

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Keywords: verifiably encrypted signature scheme, rogue-key attack, proofs of possession

JOURNAL RESTRICTED ACCESS

2013 Volume E96.A Issue 1 Pages 242-243

DOI https://doi.org/10.1587/transfun.E96.A.242

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Abstract

At Eurocrypt'2006, Lu et al. proposed a pairing based verifiably encrypted signature scheme (the LOSSW-VES scheme) without random oracles. In this letter, we show that the LOSSW-VES scheme does not have opacity against rogue-key attacks.

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