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We present several types of fault based attacks on the new lightweight block cipher Piccolo. The cipher is a variant of a generalized Feistel network (GFN) while the round keys are not involved in the F-function. This leads to an interesting principle which can be used to simplify our attacks. We describe our results from the simplest fault model to more realistic one. Simulation results show that...
SMS4 is a 128-bit block cipher published by as released as the symmetric-key encryption standard of Wireless Local Area Network(WLAN) by China in 2006. On the differential analysis principle, we propose an extension of differential fault attack on the SMS4 cipher. Mathematical analysis shows that our attack can recover its secret key by introducing about 40 faulty ciphertexts. Our work expands the...
Camellia is a 128-bit block cipher published by NTT and Mitsubishi in 2000. On the basis of the byte-oriented model and the differential analysis principle, we propose a differential fault attack on the Camellia algorithm. Mathematical analysis and simulating experiments show that our attack can recover its 128-bit, 192-bit or 256-bit secret key by introducing 30 faulty ciphertexts. Thus our result...
In CHES 2006, M. Amir et al. introduced a generalized method of differential fault attack (DFA) against AES-128. Their fault models cover all locations before the 9th round in AES-128. However, their method cannot be applied to AES with other key sizes, such as AES-192 and AES-256. On the differential analysis, we propose a new method to extend DFA on AES with all key sizes. Our results in this study...
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