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An Efficient Verifiably Encrypted Signature Scheme without Random Oracles

並列摘要


In this paper, we propose an efficient verifiably encrypted signature scheme based on bilinear pairings. The pro- posed scheme is proven secure without random oracles. Our scheme has a tight security reduction to a strong but reasonable computational assumption. To the best of our knowledge, it is the third one of this kind in the literature to achieve this security level.

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