idea for a fun little security project

Werner Almesberger werner at
Thu Nov 20 01:15:53 UTC 2014

Felix wrote:
> Is then the dot under the chip?

Don't give them ideas ! :)

The dot is in the lower left corner, as one can see here
or here

These two are 48-QFN. For 32-QFN, they decided to make it a bit
harder to find, moved it away from the corner, and made it look
like a part of the rest of the text of the package marking:

They'll probably use camouflage paint in the next edition.

And this is where pretty much all of the competition puts it:

> You mean, be able to program the second chip through the first chip
> bootloader, no?

Yup. Like here, but replacing the cable with traces:

- Werner

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