Logical Maneuvers: Detecting and Mitigating Adversarial Hardware Faults in Space
Fatemeh Khojasteh Dana, Saleh Khalaj Monfared, Shahin Tajik

TL;DR
This paper presents a novel detection and mitigation approach for permanent hardware faults caused by space radiation, using sensors, adaptive software, and hardware reconfiguration on a RISC-V FPGA.
Contribution
It introduces a combined sensor and adaptive reconfiguration method to detect and recover from permanent hardware faults in space-based processors.
Findings
Sensors reliably detect radiation-induced faults before failure
Adaptive software reroutes instructions to undamaged components
Hardware reconfiguration restores processor functionality after damage
Abstract
Satellites are highly vulnerable to adversarial glitches or high-energy radiation in space, which could cause faults on the onboard computer. Various radiation- and fault-tolerant methods, such as error correction codes (ECC) and redundancy-based approaches, have been explored over the last decades to mitigate temporary soft errors on software and hardware. However, conventional ECC methods fail to deal with hard errors or permanent faults in the hardware components. This work introduces a detection- and response-based countermeasure to deal with partially damaged processor chips. It recovers the processor chip from permanent faults and enables continuous operation with available undamaged resources on the chip. We incorporate digitally-compatible delay-based sensors on the target processor's chip to reliably detect the incoming radiation or glitching attempts on the physical fabric of…
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Taxonomy
TopicsCryptographic Implementations and Security · Physical Unclonable Functions (PUFs) and Hardware Security · Advanced Malware Detection Techniques
