Dhiru Kholia

Run macOS on QEMU/KVM. With OpenCore + Monterey + Ventura + Sonoma support now! Only commercial (paid) support is available now to avoid spammy issues. No Mac system is required.

Raspberry Pico powered Xilinx Virtual Cable - Xilinx JTAG Cable! This is now quite fast, thanks to tom01h! We also support JTAG + serial terminal over a single cable now. Now with (slow) WiFi support for Pico W!

Looking inside the (Drop) box. Security Analysis of Dropbox. Updated WOOT '13 paper and other goodies.

Wireless JTAG 'cable' for Xilinx FPGAs. This is an 'English fork' of https://github.com/ciniml/xvc-esp32 project.

A simple and easy Arduino / Pi Pico / ESP8266-powered WSPR, FT8, and FT4 beacon system which uses NTP + DS3231 RTC for timing. Super extensible! Now comes with optional GPS support.

Guaranteed cracking of M$ Office files using RC4 40-bit encryption

International Personality Item Pool Representation of the NEO PI-R™. Tests designed to educate the public about the five-factor model of personality.

checksec-ng. Elf checksec in Python. Does large-scale package analysis. Now with multi-core support!

passe-partout is a tool to extract SSL private keys from process memory written by Nicolas Collignon and Jean-Baptiste Aviat ([email protected]).

Support repository for the 'Digital Radio Receiver' / 'FT8 Decoder' / 'FT8 Radio' app.

Notes for Colorlight-5A-75B.

Use Raspberry Pi as a wireless Xilinx JTAG 'cable'. Note: This is a portable, tested, maintained clone of https://github.com/strongleg/xvcpi and https://github.com/derekmulcahy/xvcpi projects.

VU3CER's HF Balcony Antenna System. Freedom from HOA ;). Also a Window Antenna System (WAS)!

Notes on QEMU and Debian MIPS (big-endian)

ESP8266 powered Xilinx Virtual Cable - Xilinx WiFi JTAG!

Si5351-Module-Clone with low PPM TCXO! Drop-in replacement for the Adafruit's Si5351 module. 3.3v ONLY!

My Packet Captures, Quagga Tutorial, and Cisco Reversing.

Fork of https://github.com/aa1gd/pico_ft8_xcvr project from AA1GD. Real-time FT8 decoding on Raspberry Pi Pico.

Reversing Google Drive and other goodies ;)

"Fixing" the USB Over Current problem on an ASUS Mobo. Hacking and patching for fun ;)

Airspy-Utils is a small software collection to help with firmware related operations on Airspy HF+ devices.

PGPCrack-NG is a program designed to brute-force symmetrically encrypted PGP files. It is a replacment for the long dead PGPCrack.

HF-PA-v10 ;) Is this the end of the search for a 5W Digital PA? HF-PA-v10 is now a rugged 10W PA! We also do 100W+ now ;)

Reversing Samsung SecretZone. Decrypt MSR files without any password! All thanks to Francesco Picasso.

Guaranteed cracking of PDF files using RC4 40-bit encryption

See README.txt for usage instructions. Use http://www.openwall.com/lists/john-users/ for support.

Easy-ESP8266-GPS-NTP-Server

Native (C/C++ SDK) Si5351 library for Raspberry Pi Pico

Reproducible Builds in Fedora ("remock"). Updated for Fedora 23, and Rawhide.

Easy Digital 'FT8' Transceiver. Easy-Transceiver v0.01.

Standalone PKCS5_PBKDF2 implementations. Salt lengths > 16 is handled correctly.

Easy-Beacons project adapted for STEM education. Powered by Raspberry Pi Pico (W) boards. WSPR + FT8 beacons for science (TM).

FT8 beacon for Raspberry Pi Pico 2 W. FT8 + AP mode config + NTP support. No extra HW needed!

Direct-RF-Synthesis CW Beacon PoC using Raspberry Pi Pico. No Si5351 is needed. HF and VHF fox! Have fun! ;) Comes with 5W amplifier + LPF!

Build a RF lab on a budget. For homebrewers. For new amateur radio operators.

Cracks password protected Inno Setup generated installers using JtR.

QRP RF Power + SWR meter. Fork of https://g8gyw.github.io/ work.

Audible DRM scheme

RF "Lego" blocks. Quite-Linear HF broadband RF amplifier experiments for higher bands.

VU3CER's non-RF-sensing, MCU controlled Simple T/R Switch with RX Grounding!

VU3CER's Easy Field Strength Meter for HF and VHF.

FUSE driver for APFS (Apple File System)

Easy + Cost-Effective Variable Electronic Load.

Alternate standalone minimal firmware hack for uSDX which enables FT8 and WSPR beacons! NO SUPPORT!

Solar-powered WiFi-enabled FT8 decoder, and spotter using a Raspberry Pi Pico W board. Sunshine FT8!

Accurate frequency reference with a >= NEO-7M (+ NEO-6M) U-Blox GPS module and Raspberry Pi Pico.

A portable, efficient, passive, consensus based (relative) time synchronization mechanism over radio waves. Cost-effective radio receivers too!

Open-source files for Global Communications Transceiver

The most basic introduction to performing a Vcc glitch attack.

Three WSPR RF streams using one Si5351! Written for K1TE (Brad).

LiDi (Light-Intuitive-Digital-Audio-Interface) for µBITX. Note: All the included designs (and some other ones) were simulated in LTspice, and then tested on air. Have fun, and 73!

Rough dump of my Panasonic Smart AC reverse-engineering work.

Inside Druva inSync, Security Analysis of Druva inSync, Druva inSync Security Overview, Druva inSync Security. Keywords: Druva Security, Blackbird Storage Engine, SSL fail, MiTM, bytecode reversing, Druva inSync Security.

SSB generation using 'Polar Modulation' scheme. 'The Polar Express'. Like https://dl0tz.de/polar/index_en.html but using Si5351 and AD9850 (now)! WIP (not 100% done yet)! Also see https://rfcorner.in/posts/the-polar-express/ article.

A portable WSPR decoder for microcontrollers and other machines! From Pavel Demin. Please see 'master' and 'main' branches, both.

John the Ripper jumbo - advanced offline password cracker, which supports hundreds of hash and cipher types, and runs on many operating systems, CPUs, GPUs, and even some FPGAs

Are correct and "approved" compilation flags being used?

Fork of https://github.com/zephyrproject-rtos/zephyr with 'WCH CH32V003' support!

Fork of https://github.com/TudbuT/picoAM. Transmit AM signal with sine tone / voice / melody / morse with RPi Pico! For educational purposes only!

Works with https://github.com/kholia/Pico-W-Beacon-Server and https://github.com/kholia/Easy-Digital-Beacons-v1 for pushing time to the beacons.

GDB-compatible RISC-V Debugger for CH32V003 that runs on a Raspberry Pi Pico (1).

Digital controlled radio frequency oscillator based on Raspberry Pi Pico 2 (1 Hz to ~32.333 MHz band). From R2BDY. Check all Git branches!

FT8 decoder of RTL devices

Buildroot config for EBAZ4205

A program to detect if FT8 is active on QO-100 in real-time.

Sound-card software for FT8, JT65A, and WSPR.

https://rfcorner.in/

https://kholia.github.io/ft8_encoder.html

Cost-effective (~2 USD) alternate to JTAGulator. Portable and reliable (hopefully). Port of https://github.com/cyphunk/JTAGenum to RPi Pico. The 'Active Pin Selection' feature makes this infinitely fast!

Something like https://github.com/lazywalker/DigiSkimmer but for my use case. CD2003 based multi-band band-hopping digital modes skimmer.

Files for the AES + Atmega328 differential fault injection post

Build a SDR SW/MW/LW Receiver with a Raspberry Pi Pico

HOPERF TRx Development module CMT2300A-EM-868 - Sample code for RP2040 and similar

My fork for WSJT-X. https://sourceforge.net/p/wsjt/wsjtx/ci/master/tree/.

Arduino+Si5351 = Antenna/Network Analyzer. For Antuino v1 (LARC 2). Please don't contact me privately for support. [UPDATE] I no longer have this AA.

My fork for https://github.com/webft8/Si5351Arduino4Linux.

Puya PY32F002A PY32F003 PY32F030 SDK and template project for GNU Arm Embedded Toolchain

FT8 library

Some minjail experiments

An open source cross-platform USB stack for embedded system

Fork of https://github.com/pavel-demin/ft8d. Super efficient FT8 decoder.

A tool which intercepts traffic on IOU netio sockets and writes it to pcap files

Notes on IBM/Toshiba 4690 OS. Run 4690 under QEMU+KVM. Cracking ADXCRYPT hashes with JtR.

https://kholia.github.io/wspr_encoder.html

A temporary fork of https://github.com/iu8lmc/Decodium-3.0-Shannon with support for DDX-Commercial series of transceivers.

Chisel for Wolfi - the best of both worlds. Building tiny container images with ~0 CVEs! NOTE: This repository uses git rebase workflows heavily!

A fully functional and portable AMR-WB+ decoder and encoder (not my code). My old glue work from March, 2020.

Python library to interpret and generate UDP packets to communicate with WSJT-X

Linux kernel source tree

Kernel for Meson and Rockchip SBCs based on branches from mainline, rockchip, ayufan, hardkernel, owersun and more

My copy of https://www.kk5jy.net/ft8modem/ - Tested on Linux and macOS.

simavr is a lean, mean and hackable AVR simulator for linux & OSX

Dockerfile to build an ApacheDS container providing an LDAP and optionally a Kerberos service.

RF transmitter for Raspberry Pi. A maintained fork of 'rpitx' software.

Small daemon wrapper around the 'dxcc' program to enable fast (near realtime) lookups. NO SUPPORT IS PROVIDED.

Fork of https://github.com/jemgoss/quick2wire-python-api and https://github.com/romilly/quick2wire-python-api. Tested with RPi Zero 2W. Supports Si473x 'allwave' radio chip.

Hacks for InvenSense MPU-9250 and MPU-9255 clone boards.

Combining the best - Canonical's Chisel with consumable SBOMs!

Library for the Si5351 clock generator IC in the Arduino environment

Elf checksec in Go.

Security Matrix for Fedora (and others)

Odd debugging files

No description.

Bit-banged 100 MBit/s Fast Ethernet transmitter and UDP framer for Raspberry Pi RP2040/RP2350

A kit with kernels, bootloaders, and firmware packaged for Bottlerocket. Now with 'minimal attack surface' + LKRG.

Dire Wolf is a software "soundcard" AX.25 packet modem/TNC and APRS encoder/decoder. It can be used stand-alone to observe APRS traffic, as a tracker, digipeater, APRStt gateway, or Internet Gateway (IGate). For more information, look at the bottom 1/4 of this page and in https://github.com/wb2osz/direwolf/blob/dev/doc/README.md

Blocklist for blocking scammy / fraud sites

Use upstream version of WSJT-X Improved nowadays ;)

Ham radio control library for rigs (radios), rotators, and amplifiers. For daily snapshots see:

Open source minimal stack for the ch32 line of WCH processors, including the ch32v003, a 10¢ 48 MHz RISC-V Microcontroller - as well as many other chips within the ch32v/x line. Minimal copy of https://github.com/cnlohr/ch32v003fun.

Fast compiling minimal kernel configs for testing stuff.

Python library to perform fault-injection attacks on microcontrollers

https://rfcorner.in/posts/rethinking-tangara-music-player/

Chisel experiments

Cross-Platform SDR Software

Fork of https://github.com/ericek111/libmirisdr-5 with frequency band hopping!

Frequency counter using Raspberry Pi Pico. This is a "backup" program - we have better versions ;)

https://james.ahlstrom.name/quisk/docs.html

LicheeRV-Nano-Build with submodules

Buildroot, making embedded Linux easy. Note that this is not the official repository, but only a mirror. The official Git repository is at https://gitlab.com/buildroot.org/buildroot/. Do not open issues or file pull requests here.

MicroPython - a lean and efficient Python implementation for microcontrollers and constrained systems

The Official MongoDB driver for C language

Dhiru's talks

Minimal HAL module for Puya PY32 MCUs

Clone of https://github.com/raspberrypi/pico-sdk

Airtel FUP Checker

Copy of https://github.com/wolfi-dev/os.

Support repository for our Commerical Icom Remote Head(s).

Support repository for 'Portable CPO' Android app

A CLI that utilizes Okta IdP via SAML to acquire temporary AWS credentials.

Enable LoRaWAN communications on your Raspberry Pi Pico. Has latest support for Waveshare's SX1262-based LoRaWAN module.

Fork of https://github.com/dany74q/ctap-keyring-device repository.

Impacket is a collection of Python classes for working with network protocols.

Android app to sync the DS3231 RTC module connected to an Arduino. NOT suitable for end users. NO SUPPORT!

Open Source, Distributed, RESTful Search Engine

HAL module for WCH CH32V

Generate bootable macOS installer ISO or DMG images directly from Apple servers via GitHub Actions - no Mac required.

Shared repository used by RP2040/RP2350 gameconsole emulators

"Das U-Boot" Source Tree

kernel space driver for cv18xx series soc.

rootfs config for cv18xx series soc.

Arduino library for easy, interrupt driven speech, MP3, AAC, and WAV playback on the Raspberry Pi Pico RP2040, Pico 2 RP2350, and ESP32

Fork of https://github.com/raspberrypi/pico-sdk

CH32V003 is an ultra-cheap RISC-V MCU with 2KB SRAM, 16KB flash, and up to 18 GPIOs that sells for under $0.10