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On the security of the secure arithmetic code
Journal article   Peer reviewed

On the security of the secure arithmetic code

Hung-Min Sun, King-Hang Wang and Wei-Chih Ting
IEEE Transactions on Information Forensics and Security, Vol.4(4), pp.781-789
12/2009
DOI: https://doi.org/10.1109/TIFS.2009.2031944

Abstract

Arithmetic codes (ACs) Communication system security Data compression
In 2007, Kim proposed a secure compression code called the Secure Arithmetic Code (SAC). The code was claimed to be secure against chosen plaintext attacks. However, we find that the SAC is not as secure as the authors have claimed. In this paper, we show the code is prone to two attacks. The first attack completely breaks the code using an adaptive chosen plaintext attack with a polynomial number of queries. The second attack is a ciphertext-only attack, which removes a part of the output permutation. © 2006 IEEE.

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