Three-Year Update: Reverse Engineering the 2021 Honda Civic Headunit Reveals AOSP Test Key Usage
A three-year project update on reverse engineering the headunit of a 2021 Honda Civic. The author details progress in understanding Honda's USB-based update process, discovering that Honda uses a publicly-known AOSP test key in their signing chain, which represents a significant security finding. The article covers technical reverse engineering work, automot
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