Sign a model with Sigstore’s cosign on your build machine, then check it on the device before it loads. No libc, no heap, no dependencies.
In this project, I built an AI-powered toll booth system that detects vehicle number plates, reads the plate number, stores toll records.
Each board gets a key born inside an Infineon OPTIGA Trust M. The chip signs 5-minute tokens, so no shared secret sits on the device.