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Evolving differential power analysis targets SIM cards

Ernest Worthman of Semiconductor Engineering recently noted that differential power analysis (DPA) has been a threat vector on the chip landscape for a number of years.

“[DPA] was discovered around the mid 1990s by the teams at Rambus’ Cryptography Research Division,” he explained. “It turned out to be a very effective tool for compromising the ubiquitous SIM card environment.”