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DTSTAMP:20260730T152642Z
LOCATION:DAC Pavilion\, Exhibit Floor
DTSTART;TZID=America/Los_Angeles:20260729T150000
DTEND;TZID=America/Los_Angeles:20260729T160000
UID:dac_DAC 2026_sess296_ENGPRES126@linklings.com
SUMMARY:In-situ Architecture for Detecting and Mitigating Off-Chip Interfa
 ce Attacks
DESCRIPTION:Ankur Bal and Archana Arya (STMicroelectronics)\n\nPhysical vu
 lnerabilities in off-chip interfaces between sensors and secure microcontr
 ollers expose systems to attacks such as data manipulation, spoofing, and 
 hardware Trojans. Traditional countermeasures like shielding and tamper-ev
 ident enclosures are costly and impractical for low-cost designs. This wor
 k proposes an all-digital, in-situ architecture that leverages inherent sy
 stem variability—arising from IC packaging, PCB traces, and process mismat
 ches—to generate unique timing signatures for each sensor-controller pair 
 during factory calibration. These signatures, derived from pulse width and
  skew measurements of data bus transitions, are stored in non-volatile mem
 ory and continuously monitored during in-field transactions. Deviations fr
 om expected signatures indicate tampering, triggering alerts or shutdowns.
  The solution is protocol-independent, incurs minimal area and power overh
 ead, and integrates seamlessly into existing microcontroller interfaces. R
 esults demonstrate reliable detection of interface anomalies without addit
 ional mechanical protection, offering a robust, low-cost alternative for s
 ecuring sensor channels against physical attacks.\n\nTopics: AI, Chiplet, 
 Design, EDA, Quantum, Security, Systems\n\n
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