Implement a secure ICS protocol targeting LoRa Node151 microcontroller for controlling irrigation.
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John-Mark Gurney 9d2ab93cfb Merge branch 'main' into blinkled 1 vuosi sitten
blinkled add links on how to change camera settings on android.. 1 vuosi sitten
board convert the irrigation project to sysinits... 1 vuosi sitten
loramac add pin description, and use the analog pin to provide randomness.. 2 vuotta sitten
mk convert the irrigation project to sysinits... 1 vuosi sitten
rs485hid convert the irrigation project to sysinits... 1 vuosi sitten
stm32 add code to do tristate led blinking... 1 vuosi sitten
strobe add the start of the C version for the uC... 2 vuotta sitten
.gitignore ignore my standard venv dir name.. 2 vuotta sitten
EXCLUDEST.txt add warning about the license excluding use by ST. 2 vuotta sitten
LICENSE.txt add warning about the license excluding use by ST. 2 vuotta sitten
LINKS.md add some useful reference links.. 2 vuotta sitten
LORA-IRR.md comment which pins for programming to save me looking at the pdf.. 1 vuosi sitten
Makefile convert the irrigation project to sysinits... 1 vuosi sitten
NOTES.md add info on how to debug irq handler issues.. 2 vuotta sitten
PROTOCOL.md mention the specific curve/dh used.. 2 vuotta sitten
README.md describe board directory.. 2 vuotta sitten
RS485HID.md fix misspelling of by 1 vuosi sitten
arch.getxt add some diagrams, and the infrastructure to make them... 2 vuotta sitten
board-config.h get tx/rx working between two Node151's.. 2 vuotta sitten
board.c convert the irrigation project to sysinits... 1 vuosi sitten
box.sh add some diagrams, and the infrastructure to make them... 2 vuotta sitten
comms.c if the pending session returns a packet, use it, might be first of neg 2 vuotta sitten
comms.h add an include guard... 2 vuotta sitten
conns.getxt add some diagrams, and the infrastructure to make them... 2 vuotta sitten
dummy.py add tests for python version round trip... and minor fix for seeding 1 vuosi sitten
hal_generic.c switch to main.h so it pulls in the correct hal headers.. 1 vuosi sitten
irr_main.c convert the irrigation project to sysinits... 1 vuosi sitten
linker_set.h add framework to get things started... 2 vuotta sitten
lora.py add test for pk version of the commands... 1 vuosi sitten
loraserv.py clean up test output, and verify that the error message is correct.. 1 vuosi sitten
main.c convert the irrigation project to sysinits... 1 vuosi sitten
misc.c wrap debugpos when at end of buffer.. 2 vuotta sitten
misc.h add memory debug buffer.. Fix FreeBSD by adding a delay.. 2 vuotta sitten
multicast.py drop debug print 2 vuotta sitten
requirements.txt big drop adding the USB HID part of this project... 2 vuotta sitten
si_usb.c make generic, but turns out unneeded on NODE151.. 1 vuosi sitten
si_usb.h add wrapper, si_usb.h, clean up si_usb a little, and use wrapper 2 vuotta sitten
strobe_rng_init.h big drop adding the USB HID part of this project... 2 vuotta sitten
syote_comms.py support generating a private/public key pair by running this... 1 vuosi sitten
sysIrqHandlers.h get tx/rx working between two Node151's.. 2 vuotta sitten
sysinit.c convert the irrigation project to sysinits... 1 vuosi sitten
sysinit.h add USB, add proper _LAST, and verify range, support void functions 2 vuotta sitten
util.py forgot to add the copyright for this file.. 2 vuotta sitten
util_load.py change the default to be func.. 2 vuotta sitten

README.md

Syote: Secure IoT

This project started off as a project to control an irrigation system via a LoRa radio, but the core architecture of the communication and security can easily be reused for other projects.

The projects that make use of the core protocol are included in this repo to make development easier for now, but if/when the project gets large enough, they will be broken out into their own repositories.

Projects

LoRa Irrigation: Control over LoRa radio.

RS-485 USB HID KVM: USB Keyboard over RS-485

File Layout

Note that things are a mess as they stand right now. The first project was based upon the SemTech reference code which implemented their own HAL on top of ST’s HAL which is partly implemented on top of ARM’s HAL, and in some cases bypasses them. It was also originally written not expecting to be used for another board.

board/ - Board specific code loramac/ - SemTech reference code. Has reference code for LoRa and the Node151 based board. mk/ - Files supporting the build infrastructure. rs485hid/ - Files relating to the RS-485 HID project stm32/ - This is the HAL for ST based parts. It comtains the ARM CMSIS HAL as well, for the parts the ST chose to use. strobe/ - Crypto code that form the basis of the protocol.

Options

Default on: STROBE - This contains all the cryptography parts. SYSINIT - This contains the initalization frmae work, similar to FreeBSD.

Default off: NODE151 - Code necessary for the Heltech Node151 module. RS485FRAME - Code implementing framing tx/rx over RS-485. STM32F103 - Code for a STM32F103 based board. SX1276 - Code necessary for the LoRa Radio. USB_CDC - Code for implementing a USB CDC Endpoint.