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rig

Description

Firmware for a password storage device based on STM32F401CC / STM32F411CC microcontrollers.
Written in C.

Target Hardware

MCU: STM32F401CC / STM32F411CC
Architecture: ARM Cortex-M4

Functionality

PC interaction in HID mode
Automation of input of passwords, identifiers, tokens and other sensitive information
Switching to data reset mode, followed by requesting a new fingerprint
User authentication using a fingerprint
Selecting an account for authentication
Select accounts using the list on the built-in display
Storing events in non-volatile flash memory
Secure storage of passwords
Access to stored data via device interface

Accompanying source code

Module for fingerprint scanner: https://github.com/leftboardcuttenstring/stm32_hal_r557_driver/tree/rig_submodule
Module for SD memory card: none
Module for LCD screen: the library is used: https://github.com/Floyd-Fish/ST7789-STM32
Module for init the device as a HID device: none

Project Structure

app/ — source files
config/ — project config
platform/ — startup-files, linker scripts etc.

Requirements

ARM GCC Toolchain
STM32 HAL / CMSIS
Make