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ESP32 open MAC

esp32-open-mac.be

Building an open-source Wi-Fi MAC for the ESP32

Embedded / microcontrollersReverse engineeringNetworkingElectronics

’23’24’25’26
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13 from 6 Dec 2023 to 24 Nov 2025
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now and then (2 in the last year)
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2025 4

  1. Year in review: 2025
  2. First exclusive feature for open ESP32 Wi-Fi stack: standards-compliant meshing
  3. Reverse engineering WPA crypto acceleration on ESP32
  4. Entirely eliminating the FreeRTOS dependency

2024 6

  1. 'Liberating Wi-Fi on the ESP32 ' talk at 38th Chaos Communication Congress
  2. MAC RX filter on the ESP32
  3. 'Reverse engineering the ESP32 Wi-Fi hardware' talk at the RIOT Summit 2024
  4. 'Reversing the ESP32 Wi-Fi hardware' talk at Gulaschprogrammiernacht 22
  5. Reverse engineering ESP32 Wi-Fi driver: the road ahead
  6. Connecting the lwIP stack to our opensource ESP32 Wi-Fi driver

2023 3

  1. Building a Faraday cage with data passthrough for ESP32 reverse engineering
  2. Unveiling secrets of the ESP32 part 2: reverse engineering RX
  3. Unveiling secrets of the ESP32: creating an open-source MAC layer