Cryptography, Volume 6, Issue 3
2022 September - 17 articles
Cover Story: A periodic, built-in self-test countermeasure is proposed for detecting faults in microprocessors that can lead to information leakage. Information leakage is defined as sensitive information, e.g., encryption keys, that is inadvertently sent to I/O ports when a fault occurs. A counter is proposed that flags errors when the number of execution cycles of an encryption algorithm differs from a fault-free value. The counter is shown to detect all leakage faults when placed in the branch compare logic of the microprocessor. View this paper
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Cryptography - ISSN 2410-387X