2021
DOI: 10.1109/tetc.2019.2903387
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A New PUF Based Lock and Key Solution for Secure In-Field Testing of Cryptographic Chips

Abstract: A new PUF based lock and key solution for secure in-field testing of cryptographic chips

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Cited by 31 publications
(21 citation statements)
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“…The countermeasures based on data obfuscation modify the scan-in and/or scan-out data with an unpredictable way [37,38,39,40,41]. Obfuscating the scan data can prevent or mislead the attackers to obtain the correct cipher key.…”
Section: Scan Design and Countermeasures Thwarting Scan Attacksmentioning
confidence: 99%
See 4 more Smart Citations
“…The countermeasures based on data obfuscation modify the scan-in and/or scan-out data with an unpredictable way [37,38,39,40,41]. Obfuscating the scan data can prevent or mislead the attackers to obtain the correct cipher key.…”
Section: Scan Design and Countermeasures Thwarting Scan Attacksmentioning
confidence: 99%
“…The dynamic obfuscation of scan data is achieved by this way. In order to further improve security, Cui A. et al expand this technique by using the Physical Unclonable Function (PUF) [43] as the key in [40]. Wang et al [41] insert some XOR gates between scan cells, which are controlled by a Linear Feedback Shift Register (LFSR).…”
Section: Scan Design and Countermeasures Thwarting Scan Attacksmentioning
confidence: 99%
See 3 more Smart Citations