HEYSZL, J.; MILLER, K.; UNTERSTEIN, F.; SCHINK, M.; WAGNER, A.; GIESER, H.; FREUD, S.; DAMM, T.; KLEIN, D.; KÜGLER, D. Investigating Profiled Side-Channel Attacks Against the DES Key Schedule. IACR Transactions on Cryptographic Hardware and Embedded Systems, v. 2020, n. 3, p. 22-72, 19 Jun. 2020.