Podpis maleho objemu dat

[Slavomir Skopalik]

Treba CRC16.

https://stackoverflow.com/questions/19347685/calculating-modbus-rtu-crc-16

Pripadne do vypoctu zahrnout 2 byte, jenz nejsou soucasti zpravy, ale je 
to security by obscurity.

Slavek

Ing. Slavomir Skopalik
Executive Head
Elekt Labs s.r.o.
MASA - Collection and evaluation of data from machines and laboratories
http://eng.elektlabs.com/products-and-services/masa
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On 10.07.24 23:20, Petr Simek wrote:
>
> Dobry dem
>
> uvazuju ze bych posilal bezdratove povely a chtel bych to nejak
> zabezpecit. Predstava je ze by slo o sest Byte dat a dva Byte
> podpis. Podpisovy klic by mel nekolik Byte. Aby to zvladlo Arduino.
>
> Nemate nejaky priklad vhodneho algoritmu ? Nebo nejakeho paru modulu
> ktere to zabezpeceni maji uz v sobe ? Data by mely format TTL RS232.
>
>
> Zdravim
>
> *------------------------------------------------------------------------* 
>
> |                          Petr Simek   APS 
> JU                           |
> | psimek na jcu.cz                              |
> *------------------------------------------------------------------------* 
>
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