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Achmad Junaidi

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Open access Aug 2026

Evaluation and Mitigation of Replay and Tamper Attacks on Meshtastic Protocol

A firmware-level security enhancement called Meshtastic SHA256 through the implementation of a 32-bit Frame Counter and HMAC-SHA256 is proposed that substantially improves replay and tamper attack resistance under the evaluated experimental conditions while remaining suitable for ESP32-based LoRa devices.

Iqbal Al-Ayyubi Kantilasa, A. Agussalim, Achmad Junaidi · 0 citations

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