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Journal of the Korea Institute of Information Security and Cryptology, 3(23), p. 371-381

DOI: 10.13089/jkiisc.2013.23.3.371

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A Countermeasure Against Fault Injection Attack on Block Cipher ARIA

Journal article published in 2013 by Hyung-Dong Kim, Jae-Cheol Ha
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

An encryption algorithm is executed to supply data confidentiality using a secret key which is embedded in a crypto device. However, the fault injection attack has been developed to extract the secret key by injecting errors during the encryption processes. Especially, an attacker can find the secret key of block cipher ARIA using about 33 faulty outputs. In this paper, we proposed a countermeasure resistant to the these fault injection attacks by checking the difference value between input and output informations. Using computer simulation, we also verified that the proposed countermeasure has excellent fault detection rate and negligible computational overhead.