A brief History
At the Chaos Communication Congress 1997 we (Alex and Rop) met a number
of German hackers that were developing a very cheap do-it-yourself box
that would do telephone encryption over normal phone lines using an external
modem. We had been thinking about this for a long time (although mostly
in the 'wouldn't it be nice' sense), and we were able to input some of
our ideas into this project.
As a result of this meeting, we formed a mailing list to discuss this project further. This list was called HLL (Harmless Little List) and there's an archive of the postings on this site. The whole project has been given working title "Harmless Little Project". The Harmless Little theme was chosen because any future government interference with production, sales, export, import or use of this technology would generate nicer newspaper headlines ;-)))
Since then, we've used the list to discuss all sorts of things related to this project. The germans are pretty far in designing a first prototype box based on the Hitachi SH 7040 microcontroller chip. It is said to provide enough processing power to run a full-duplex codec and encryption, it's cheap as hell and all the tools for it are in the public domain.
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