Re: [DIYbio] Re: Re: Tecan Freedom Evo -- $2000 on ebay

$3000 license, or $20 USB to FTDI cable (FTDI can do RS232, SPI, I2c,
JTAG) or this $20 board and a $20 arduino:
https://code.google.com/p/canduino/

On Fri, Apr 26, 2013 at 7:54 PM, Bryan Bishop <kanzure@gmail.com> wrote:
> On Fri, Apr 26, 2013 at 9:50 PM, Jonathan Cline wrote:
>> [*Note 2] - it is possible to hack a bypass to the authentication key by
>> cloning or etc. It's a simple key exchange, after all, and there are
>> grey-market imposter keys which can mimic the real Tecan keys.
>
> I don't understand what's going on here. What sort of key is this? Are
> they just verifying that it has some format? Are they running it
> against a list of known good keys? or were they serious enough to use
> public/private key signing?
>
> Also how much does this matter? When you "send commands directly",
> like in ::Tecan, do you still require a key?
>
> - Bryan
> http://heybryan.org/
> 1 512 203 0507
>
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--
-Nathan

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