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Author

Antonio Saavedra

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Preprint Oct 2026

The Achilles'Heel of Partial Reconfiguration: Optical Side-Channel Leakage on the 7-Series ICAP

Major FPGA manufacturers have incorporated bitstream encryption to protect sensitive configuration data. However, for the most widely used FPGA families, multiple attacks against unpatchable protection schemes hard-wired into the devices can bypass or fully break them, making patchable schemes desirable. In this work,...

Antonio Saavedra, J. Marx, Lars Renkes et al. · 0 citations
Open access Jul 2026

Leakback CRC: Optical Plaintext Recovery of Encrypted Bitstreams on AMD 7-Series FPGAs

This work presents Leakback CRC, the first optical side-channel attack exploiting the Readback CRC functionality in AMD 7-Series FPGAs to recover plaintext configuration data of encrypted bitstreams, highlighting a critical interplay between reliability mechanisms operating on plaintext configuration data and side-chan...

Antonio Saavedra, Lars Renkes, F. Hahn et al. · 0 citations

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