Round Addition Differential Fault Analysis against the Lightweight Block Cipher CHAM
Kento Sato, Hideki YOSHIKAWA, Masahiro Kaminaga · Transactions of the Society of Instrument and Control Engineers · 2026
This paper applies round-addition differential fault analysis to the lightweight cipher CHAM, recovering full secret keys with few additional rounds: 2 for CHAM-64/128, 1 for CHAM-128/128, and 2 for CHAM-128/256.