NDLI: Improved Fault Attack on LBlock: Earlier Injection with No Extra Faults

Content Provider	IET Digital Library
Author	Gao, Si Chen, Hua Fan, Limin Wu, Wenling
Abstract	As one of the most popular lightweight ciphers in recent years, LBlock has attracted great attention. Researchers have explored the security of LBlock against various attacks. We focus on fault attack–one of the most important implementation attacks. In the past two years, fault attacks under the random fault model have been successfully applied to LBlock, supposing faults were injected at the end of the 24th to the 31st round. If faults are injected at the end of the 23rd round, previous attacks only work under the semi-random fault model. For the first time, we address this issue and propose a 23rd round fault attack under the random fault model. Compared with the previous works, our attack extends the fault injection to earlier round, with reasonable time cost and no extra faults. Experiments show that it only takes 10 faults to recover the secret key.
Starting Page	754
Ending Page	759
Page Count	6
ISSN	10224653
Volume Number	26
e-ISSN	20755597
Issue Number	Issue 4, Jul (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/cje/26/4
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/cje.2017.04.007
Journal	Chinese Journal of Electronics
Publisher Date	2017-07-01
Access Restriction	Open
Rights Holder	© Chinese Institute of Electronics
Subject Keyword	Cryptography Data Security Fault Attack Fault Diagnosis Fault Injection LBlock Lightweight Ciphers Private Key Cryptography Random Fault Model Secret Key Semirandom Fault Model
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Electrical and Electronic Engineering

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