MEP EP#342: Hackery Experts

MEP EP#342: Hackery Experts

HyR0n

Mathematician
Computer Scientist
AND!XOR employee of the month
Working on badges and things Hackery

Previous Podcast Episodes

Incognito Mode episode number 69
Arduino, The Gateway Drug To #BadgeLife episode number 109
Espress-ify? Designing Products Around the ESP-32 Platform episode number 144
Feel the Hum episode number 183
Better Encryption than Zoom, Firmware Stacks episode number 238
And a couple of the Starwars Specials

DEFCON 30 AND!XOR Badge

Its a watch, with some watch things, hacker apps (TV B Gone, BLE Interrogator), Games, & Challenge
Give them away for free at DEF CON following sponsorship from companies and philanthropists.
Off the shelf device with hacked firmware

LilyGo T-Watch 2020 V3

But how did we get there?

A story of supply chain woes
Original Watch idea - supply chain issues and crazy costs / quantity buy requirements
Look at consumer watches we could hack (PineTime, then LilyGo)

It wasnt just software, a true micropython implementation was done for firmware
Always interested in python

We always lived in a C world
Makes hacking it easier for end user

Micropython vs Circuit Python
The Hacking Challenge - BENDER 
Flashing Party - Things you should think about - i.e. Design for Drunk Hacker Production

You’re going to do the same thing thousands of times, what do we automate?
Loop script for provisioning
Push bare minimum over serial, then use wifi to complete
Turning screen green once flash done and charge at 100%

Other thoughts?

Really different than what we do, was really fun
People like bling more than function, but …