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2009•Unpublished venueRequires access

Cryptanalysis of a Knapsack Public Key Cryptosystem

Baocang Wang, Hui Liu, Yupu Hu

Open publisher page 4 citations

Abstract

Murakami and Nasako proposed a knapsack public key cryptosystem in 2008. They claimed that their proposal is secure against some known attacks. In this paper, we propose a cryptanalytic attack on the cryptosystem. We use a heuristic method to show that the secret key can be recovered with lattice reduction algorithms. Hence, their construction is insecure.

About this research paper

What this paper is about

Murakami and Nasako proposed a knapsack public key cryptosystem in 2008. They claimed that their proposal is secure against some known attacks. In this paper, we propose a cryptanalytic attack on the cryptosystem. We use a heuristic method to show that the secret key can be recovered with lattice reduction algorithms. Hence, their construction is insecure.

Why it matters

OpenAlex reports 4 citations for this work. Citation counts describe recorded attention and do not establish research quality.

Key contribution

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Method / approach

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Main findings

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Limitations

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Available abstract

Murakami and Nasako proposed a knapsack public key cryptosystem in 2008. They claimed that their proposal is secure against some known attacks. In this paper, we propose a cryptanalytic attack on the cryptosystem. We use a heuristic method to show that the secret key can be recovered with lattice reduction algorithms. Hence, their construction is insecure.

Key concepts: Knapsack problem, Cryptosystem, Hybrid cryptosystem, Cryptanalysis, Computer science, Key (lock), Public-key cryptography, Public key cryptosystem

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