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README.md

Run cryptographic software on STM32-discovery board

The scheme is optimized version of saber copied from pqm4 places. The goal is simply to have a starting point for Cortex-M4 development.

Connecting the board

To use it connect micro-usb and UART to STM32-discovery board. The micro-usb allows programming over st-link. After connected the lsusb should display something like STMicroelectronics ST-LINK/V2.1.

The UART provides an standard output. Connect the TX/TXD cable to the PA3 pin on the board, and connect RX/RXD to PA2.

Pre-requists

Requires libopencm3. The libopemcm3 is an open-source version of the firmware for many of Cortex-M0/M3/M4 development kits. See https://libopencm3.org/.

Requires stlink. This is used to flash the board. For compilation instructions look here: https://github.com/stlink-org/stlink/blob/master/doc/compiling.md

To compile

cd 3rd/libopencm3; make

With that one can now compile the solution

cmake -S . -B build -DCMAKE_TOOLCHAIN_FILE=toolchain.cmake
cmake --build build
cmake --build build --target flash