@inproceedings{8b8407a81dba440a86757d8ee1f33064,
title = "LeakyDSP: Exploiting Digital Signal Processing Blocks to Sense Voltage Fluctuations in FPGAs",
abstract = "In recent years, cloud providers are dedicated to enabling FPGA multi-tenancy to improve resource utilization, but this new sharing model introduces power side-channel threats, where attackers detect voltage fluctuations from colocated circuits. This paper proposes LeakyDSP, a novel onchip sensor that maliciously configures DSP blocks to sense fine-grained voltage fluctuations but is overlooked by existing studies. Our experimental results show that LeakyDSP achieves high sensitivity to voltage fluctuations and strong robustness to different placements. Besides, we apply LeakyDSP to extract full AES keys with \$25 \textbackslash{}mathrm\{k\}-78 \textbackslash{}mathrm\{k\}\$ traces and build covert channels with a high transmission rate of 247.94 bit/s.",
author = "Xin Zhang and Jiajun Zou and Yi Yang and Qingni Shen and Zhi Zhang and Yansong Gao and Zhonghai Wu and Carlson, \{Trevor E.\}",
year = "2025",
month = sep,
day = "15",
doi = "10.1109/DAC63849.2025.11132492",
language = "English",
isbn = "979-8-3315-0305-5",
series = "Proceedings - Design Automation Conference",
publisher = "IEEE DataPort",
pages = "1--7",
booktitle = "62nd ACM/IEEE Design Automation Conference 2025",
note = "62nd ACM/IEEE Design Automation Conference (DAC) 2025 ; Conference date: 22-06-2025 Through 25-06-2025",
}