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Question 194 - CAS-004 discussion

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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
Answers
A.
Differential power analysis
B.
Differential fault analysis
Answers
B.
Differential fault analysis
C.
Differential temperature analysis
Answers
C.
Differential temperature analysis
D.
Differential timing analysis
Answers
D.
Differential timing analysis
Suggested 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.'

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asked 02/10/2024
Bogdan Paun
35 questions
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