The newest ESP32 can run Linux and it's getting close to a Raspberry Pi
Summary
The article dives into secure key management on Nordic nRF54L devices, detailing KMU slots, provisioning, and PSA driver constraints, plus debugging architecture and how cache behavior in GDB/J-Link can yield stale memory reads. It includes code examples, datasheet references, and practical steps for provisioning and pushing keys, concluding with considerations on memory caching and readback freshness.