Digital Introduction (was: bar code scanners on the XO)

ffm ffm246 at gmail.com
Sun Feb 17 19:47:51 EST 2008


On Feb 17, 2008 9:36 PM, Ivan Krstić <krstic at solarsail.hcs.harvard.edu>
wrote:

> On Feb 15, 2008, at 4:35 PM, Benjamin M. Schwartz wrote:
> > As you are probably aware, it is possible to read barcodes from the
> > camera, using software analysis.
>
> We have code in git that encodes arbitrary (but size-constrained) data
> as a redundant datamatrix barcode and shows it on the screen, and code
> that performs image analysis from a camera capture when one XO is
> pointed at another with such a barcode on the screen to decode the
> original data:
>
>     <http://dev.laptop.org/git?p=projects/barcode;a=tree>
>
> The original purpose was to facilitate a physical public key exchange
> ("digital introduction") by holding two laptops up to one another.


So what happened to the idea? I'd think it would be interesting.

Any reason it was scrapped?

-FFM
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