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Security Analysis of HMAC/NMAC by Using Fault Injection

Authors
Jeong, KitaeLee, YuseopSung, JaechulHong, Seokhie
Issue Date
2013
Publisher
HINDAWI LTD
Citation
JOURNAL OF APPLIED MATHEMATICS
Indexed
SCIE
SCOPUS
Journal Title
JOURNAL OF APPLIED MATHEMATICS
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/106423
DOI
10.1155/2013/101907
ISSN
1110-757X
Abstract
In Choukri and Tunstall (2005), the authors showed that if they decreased the number of rounds in AES by injecting faults, it is possible to recover the secret key. In this paper, we propose fault injection attacks on HMAC/NMAC by applying the main idea of their attack. These attacks are applicable to HMAC/NMAC based on the MD-family hash functions and can recover the secret key with the negligible computational complexity. Particularly, these results on HMAC/NMAC-SHA-2 are the first known key recovery attacks so far.
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