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John McMaster

Talk Title:

Capturing Mask ROMs


Chip firmware is sometimes hardcoded into semiconductor designs as 2D bit arrays ("mask ROM"). This talk describes how to extract high-quality microscope images of these bits as well as toolchains to post-process these images into usable binaries.

Speaker Bio:

John McMaster is hardware reverse engineer with a decade of embedded security expertise. He specializes in microcontroller data extraction using lasers, microscopes, and power analysis. Twitter: @johndmcmaster