Ledger Donjon company blog

Photon-Emission-Guided Laser Fault Injection Enables RP2350 Secure Debug

donjon.ledger.com 13 min read

Differential photon-emission microscopy localized debug enable register activity and narrowed the laser search before SWD-guided injection set the two bits required to restore Secure debug on an RP2350 A4.

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Security & PrivacyHardware & Electronics2026

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