
dcsgonefirm
The firmware engineering home of the Circuit Crafters first electronic badge project.

The firmware engineering home of the Circuit Crafters first electronic badge project.

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

Seemingly normal USB drive with a hidden security feature

Demonstrates CVE-2026-1122 Ed25519 signature bypass via low-order point injection, forging malicious IoT firmware updates with Python and C verifier…

Recovers cryptographic keys from MiFare Classic RFID cards using DarkSide and nested-auth attacks for security testing of NFC/RFID systems.

The new generation chameleon based on NRF52840 makes the performance of card emulation more stable. And gave the chameleon the ability to read,…

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

The wolfSSL library is a small, fast, portable implementation of TLS/SSL for embedded devices to the cloud. wolfSSL supports up to TLS 1.3 and DTLS…

A fast, portable, and lightweight COSE + CBOR implementation for embedded systems. Supports PQC, FIPS 140-3, DO-178, and MISRA C. Powered by wolfSSL.

Supporting material for the "Hunting Bugs In The Tropics" DEFCON 30 talk

Proxmark3 Amiibo simulator as shown at Recon Montreal 2018

CKB's vm, based on open source RISC-V ISA

Vault app for DC34 badge

Tenda Technology Co., Ltd NVR_4H: CH3 v2.1.V27.5.58.6 was discovered to contain a hardcoded cryptographic key.

Small portable AES128/192/256 in C

Ultra-lightweight RTOS for IoT with preemptive scheduling, TLS/DTLS, MQTT, CoAP, POSIX compatibility, and MPU-based memory protection. Kernel under…

sniff HDMI DDC (I2C) traffic