Towards Key-recovery-attack Friendly Distinguishers: Application to GIFT-128

• Published in: IACR Transactions on Symmetric Cryptology Vol. 2021; no. 1; pp. 156 - 184
• Main Authors: Zong, Rui, Dong, Xiaoyang, Chen, Huaifeng, Luo, Yiyuan, Wang, Si, Li, Zheng
• Format: Journal Article
• Language: English
• Published: Ruhr-Universität Bochum 01.01.2021
• Subjects: Differential Trail; Distinguisher Search Strategy; GIFT; GIFT-COFB; Linear Trail; SUNDAE-GIFT

When analyzing a block cipher, the first step is to search for some valid distinguishers, for example, the differential trails in the differential cryptanalysis and the linear trails in the linear cryptanalysis. A distinguisher is advantageous if it can be utilized to attack more rounds and the amou...