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this post was submitted on 02 May 2024
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Is the firmware enclosed in a SOC with no way of reading/extracting it? If not, if all else fails, someone will extract it and dissect it with Ghidra or something, extracting whatever encryption keys are needed. If so, and there aren’t any documented side-channel attacks for reading the firmware from this SOC, if firmware updates exist, they too constitute an attack surface. (They probably would be encrypted, but how strongly?)