Published on June 28, 2026, Quarkslab’s work describes analysis of the MJA1 chip, I2C traffic and firmware, and evaluates its security properties.
On June 28, 2026, Quarkslab published a black-box analysis of Xiaomi’s MJA1 secure chip. The work covers hardware identification, I2C traffic capture, flash extraction and firmware reverse engineering.
The team mapped the command protocol and evaluated security properties, presenting methods for examining secure hardware without documentation. Consult Quarkslab’s original publication to check the details and verify the findings. If you use AI to study or apply the methods, avoid submitting confidential organizational data and check conclusions against the original materials.