UofL eCTF

This repository holds UofL's design for an eCTF Hardware Security Module. The rules for the 2026 eCTF can be found here: https://rules.ectf.mitre.org/.

Layout

• firmware/ - Source code to build the firmware
  • Makefile - This makefile is invoked by the eCTF tools when creating an HSM.
  • Dockerfile - Describes the build environment used by eCTF build tools.
  • secrets_to_c_header.py - Python file to convert from global secrets to firmware-parsable header file
  • inc/ - Directory with c header files
  • src/ - Directory with c source files
  • firmware.ld - Defines memory layout of built firmware
• ectf26_design/ - Pip-installable module for generating secrets
  • src/ - Secrets gen source code
    • gen_secrets.py - Generates shared secrets
  • pyproject.toml - File that tells pip how to install this module
• Makefile - Helper script to simplify repetitive build steps