414: Puff, the Magically Secure Dragon
Embedded26 Touko 2022

414: Puff, the Magically Secure Dragon

Laura Abbott of Oxide Computing spoke with us about a silicon bug in the ROM of the NXP LPC55, affecting the TrustZone.

More information about the two issues are in the Oxide blog:

More about LPC55S6x and their LPC55Sxx Secure Boot

Ghidra is a software reverse engineering framework… and it is one of the NSA's github repositories.

Laura will also be speaking about this at Hardwear.io in early June 2022 in Santa Clara.

Twitter handles: @hardwear_io, @oxidecomputer, @openlabbott,

The vulnerability was filed with NIST: NVD - CVE-2021-31532

Transcript

Jaksot(568)

449: Soldering the Ukulele

449: Soldering the Ukulele

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11 Touko 20231h 1min

448: Little Squiggles All Around

448: Little Squiggles All Around

Carl Bugeja makes actuators out of PCBs, puts them to work flapping origami bird wings (or moving robot rovers), and takes videos of the whole process. Oh, and get this, self-soldering circuits. Firs...

27 Huhti 20231h 1min

447: All Sorts of Weird Problems

447: All Sorts of Weird Problems

We spoke with Chris Gammell about IoT, podcasting, relaxing, and learning. Chris works at Golioth.io. They have a neat blog that talks about reference designs, Zephyr RTOS, and making products. We tal...

13 Huhti 20231h 5min

446: World's Best PB&J

446: World's Best PB&J

Chris and Elecia talk about ChatGPT, conferences, online compilers, and Ardupilot. Compiler Explorer: godbolt.org (and function pointer example) Jupyter Notebooks with colab: colab.research.google.com...

30 Maalis 202354min

445: I Do Not Like Blinking

445: I Do Not Like Blinking

We spoke with Charlyn Gonda about making things glow, dealing with imposter syndrome, and using origami. Charlyn's website is charlyn.codes, the projects we talked about are documented there. You can ...

16 Maalis 20231h 11min

444: It Is If You Do It Wrong

444: It Is If You Do It Wrong

Peter Griffin spoke with us about operant boxes, juggling many projects, getting into embedded systems, and bottle rockets. When we talked about 3D printing, Peter mentioned the Maker Muse Clearance...

3 Maalis 202357min

443: Vexing Machines

443: Vexing Machines

Chris and Elecia talk about photons, comets, patterns, other flying objects, and cameras. Chris uses PixInsight for processing and has an Ioptron Sky Tracker. Apologies to our southern hemisphere lis...

17 Helmi 20231h

442: I Do Like Musical Robots

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Adafruit's Liz Clark (BlitzCityDIY) spoke with us about MIDI, music, and tutorials. Liz's Adafruit Tutorials include MIDI for Makers CircuitPython Trombone Champ Controller Mini LED Matrix Aud...

3 Helmi 202351min

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