Rogue Key Attacks on Lu et al.'s Verifiably Encrypted Signature Scheme
Bennian Dou, Hong Zhang, Chunhua Chen, Chungen Xu · IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences · 2012
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.