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http://dx.doi.org/10.13089/JKIISC.2012.22.3.439

A Late-Round Reduction Attack on the AES Encryption Algorithm Using Fault Injection  

Choi, Doo-Sik (Hoseo University)
Choi, Yong-Je (ETRI)
Choi, Doo-Ho (ETRI)
Ha, Jae-Cheol (Hoseo University)
Publication Information
Journal of the Korea Institute of Information Security & Cryptology / v.22, no.3, 2012 , pp. 439-445 More about this Journal
Abstract
Since an attacker can extract secret key of cryptographic device by occurring an error during encryption operation, the fault injection attack have become a serious threat in cryptographic system. In this paper, we show that an attacker can retrieve the 128-bits secret key in AES implementation adopted iterative statement for round operations using fault injection attack. To verify the feasibility of our attack, we implement the AES algorithm on ATmega128 microcontroller and try to inject a fault using laser beam. As a result, we can extract 128-bits secret key by obtaining just two pairs of correct and faulty ciphertexts.
Keywords
Fault injection attack; AES; Iterative statement; Cryptographic secure chip;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
연도 인용수 순위
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