Lee, HoChang; Kim, Seojin; Kang, HyungChul; Hong, Deukjo; Sung, Jaechul; Hong, Seokhie (February 2018). "Calculating the Approximate Probability of Differentials for ARX-Based Cipher Using SAT Solver". Journal of the Korea Institute of Information Security and Cryptology (in Korean). 28 (1): 15–24. doi:10.13089/JKIISC.2018.28.1.15.
Ashur, Tomer; Luykx, Atul (2021-01-15). "An Account of the ISO/IEC Standardization of the Simon and Speck Block Cipher Families". In Avoine, Gildas; Hernandez-Castro, Julio (eds.). Security of Ubiquitous Computing Systems. Springer. pp. 63–78. doi:10.1007/978-3-030-10591-4_4. ISBN978-3-030-10590-7. S2CID234119694.
Ashur, Tomer; Luykx, Atul (2021-01-15). "An Account of the ISO/IEC Standardization of the Simon and Speck Block Cipher Families". In Avoine, Gildas; Hernandez-Castro, Julio (eds.). Security of Ubiquitous Computing Systems. Springer. pp. 63–78. doi:10.1007/978-3-030-10591-4_4. ISBN978-3-030-10590-7. S2CID234119694.