Hardware Security

devnw/zig/hsm

Zig Hardware Security Module library for PIV, CAC, and YubiKey tokens via PC/SC. Supports certificates, PIN management, signing, and decryption.

signalapp/libsignal

Home to the Signal Protocol as well as other cryptographic primitives which make Signal possible.

darkflippers/unleashed-firmware

Custom firmware for Flipper Zero enabling Sub-GHz radio, NFC/RFID emulation, infrared, and BadUSB attack features for hardware security testing.

flipperdevices/flipperzero-firmware

Flipper Zero firmware source code

yosyshq/nextpnr

nextpnr portable FPGA place and route tool

usbarmory/tamago

Framework for compiling and executing Go applications on bare metal processors, enabling secure firmware development with reduced attack surface…

newaetech/chipwhisperer

Open-source hardware security toolchain for power trace capture, side-channel analysis, and glitching/fault-injection attacks on embedded devices and…

emsec/hal

HAL – The Hardware Analyzer

xddxdd/nixos-config

Lan Tian's NixOS Configuration

maxgoedjen/secretive

Protect your SSH keys with your Mac's Secure Enclave

yubico/libfido2

Provides library functionality for FIDO2, including communication with a device over USB or NFC.

agentrust-io/cmcp

cMCP: Confidential MCP Gateway. Hardware-attested policy enforcement for MCP tool calls.

karaaslanlabs/kl-security-key

Experimental RP2040 FIDO2/WebAuthn authenticator with packed attestation and documented Windows/Entra interoperability

pq-code-package/mlkem-native

Secure, fast, and portable C90 implementation of ML-KEM / FIPS 203

o7-machinehum/phantomdrive

Seemingly normal USB drive with a hidden security feature

mein-0/knockgiga

Proof-of-concept local privilege escalation exploiting Gigabyte gdrv3.sys IOCTLs to write the SYSTEM token into a user process via an unchecked…