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Re: [Paparazzi-devel] DSMx hijacking

From: Michal Podhradsky
Subject: Re: [Paparazzi-devel] DSMx hijacking
Date: Tue, 1 Nov 2016 11:29:04 -0700

Hi Chris,

thanks for mentioning Openlrsng - open source firmware is the way to go. Since you mentioned encryption, I assume there is currently no encryption implemented?

Alonso, no paparazzi doesn't provide encryption or any "intruder-detection" features - but frankly the best way to go around this is to have encrypted telemetry (SiK radio supports AES encryption, so do Xbee modems) as well as encrypted RC (I don't know about any vendor offering this feature, maybe Openlrsng will?).


On Tue, Nov 1, 2016 at 10:35 AM, Chris Efstathiou <address@hidden> wrote:
I never understood why people use the spectrum system, it was buggy from the start when rc models where comming down like flies.
Use Openlrsng which is open and if you can code you can encrypt the packets at will.
I have designed my own hardware (tx and rx ) with 1w rf output, transparent serial link so no need for a separate telwmetry modem and tested 40km range.
This system eliminates the need for a telemwtry system since it also provides a transparent serial link that works fine.
Google Openlrsng git and you will find the code, ready made hardware can be bought from Hobbyking but not 1w receivers
If you can't code then this system is not for you so i would buy the Frsky ACCST sytem that i consider the best at 2.4 ghz

On 11/1/2016 5:25 PM, alonso acuña wrote:
They say the fix would have to be implemented in the reciever end

Does Paparazzi have any protection against this? We use Lisa/M as a receiver. I also wonder if DSM2 is affected.



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