Category Archives: Jesting

“A jest’s prosperity lies in the ear of him that hears it, never in the tongue of him that makes it.”

Quick Note: WiFi Bash Bunny

This weekend, while sulking over my lack of forward progress in smartcard power analysis, I added WiFi control to a Bash Bunny I’ve got lying around. Somehow, Google turns up nothing on the topic (surely I’m not the only person … Continue reading

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Trace Alignment!

Over the past week, I have progressed my work in power analysis of smartcards. By replacing my original power shunt (1.5R) with a higher resistance (4.7R) alternative, I’m now able to retrieve significantly higher resolution power traces, even at 1.8V. … Continue reading

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ESP-on-a-PMOD Runtime FPGA Configuration

Following on from my work yesterday, I needed something to quickly reconfigure the edge triggering FPGA (i.e. to use it as a generic smartcard trigger, if without support for true ISO7816 pattern triggering). My solution was to stick a PMOD … Continue reading

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Adventures in ISO7816 “Smart” I/O Triggering

I recently wanted to build something to help me trigger off ISO7816 traffic. This led to a week of learning-through-failure, and this post talks through some of the learning experiences, and provides a solution for anyone else attempting to solve … Continue reading

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On “Hardware Hacking” Tools

I got to thinking this weekend – with the advent of one-click shopping, it’s incredibly easy to stack shiny tools which basically do the same thing… and then you always end up writing custom code to do something just slightly … Continue reading

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