0 How to decrypt a LoRaWAN message ?

[AChaa.15]

Hello !

I'm sending a LoRaWAN message tothe ping pong code wich plays the role of a gateway but the message is received encrypted , I need to decrpt it on the reception side.

Any help please thank you!

[Uwe Bonnes]

Some decryption effort has been done in the context of software defined radio (SDR).

[AChaa.15]

I acctually need lorawan decryption

[Tesla DeLorean]

It's just AES with keys held by the device

STM32CubeExpansion_LRWAN_V1.1.1\Middlewares\Third_Party\Lora\Mac\LoRaMacCrypto.c