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2008•IEICE Transactions on Fundamentals of Electronics Communications and Computer SciencesRequires access

On the Security of Provably Secure Multi-Receiver ID-Based Signcryption Scheme

C.-H. TAN

Open publisher page 16 citations

Abstract

Recently, Duan and Cao proposed an multi-receiver identity-based signcryption scheme. They showed that their scheme is secure against adaptive chosen ciphertext attacks in the random oracle model. In this paper, we show that their scheme is in fact not secure against adaptive chosen ciphertext attacks under their defined security model.

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What this paper is about

Recently, Duan and Cao proposed an multi-receiver identity-based signcryption scheme. They showed that their scheme is secure against adaptive chosen ciphertext attacks in the random oracle model. In this paper, we show that their scheme is in fact not secure against adaptive chosen ciphertext attacks under their defined security model.

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OpenAlex reports 16 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

Recently, Duan and Cao proposed an multi-receiver identity-based signcryption scheme. They showed that their scheme is secure against adaptive chosen ciphertext attacks in the random oracle model. In this paper, we show that their scheme is in fact not secure against adaptive chosen ciphertext attacks under their defined security model.

Key concepts: Signcryption, Random oracle, Ciphertext, Scheme (mathematics), Computer science, Semantic security, Standard Model (mathematical formulation), Computer security

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