Which of the following side-channel attacks did the team use?

An attack team performed a penetration test on a new smart card system. The team demonstrated that by subjecting the smart card to high temperatures, the secret key could be revealed.

Which of the following side-channel attacks did the team use?
A . Differential power analysis
B . Differential fault analysis
C . Differential temperature analysis
D . Differential timing analysis

View Answer

Answer: B

Explanation:

"Differential fault analysis (DFA) is a type of active side-channel attack in the field of cryptography, specifically cryptanalysis. The principle is to induce faults―unexpected environmental conditions―into cryptographic operations, to reveal their internal states."