Re: [Discuss-gnuradio] contactless transaction using gnuradio?

[Tom Rondeau]

On Tue, Sep 4, 2012 at 10:51 AM, Norman Khine <address@hidden> wrote:
> hi, i can get the information into and out of GNU radio using tropo
> https://www.tropo.com/how-it-works/ type application i guess!
>
> but was interested to see working examples of how to work with the data once
> it has been received, for example, if i have a python script which creates a
> dictionary or a key:value object this then generates a unique signal then to
> be able to process this signal and read the  key:value object.

Well, we're really just interested in getting data in and out of a
communication application. Once you have the data, it's a bit outside
of our box. You might find some useful applications over at cgran.org
that use GNU Radio with other data sources/sinks for inspiration.

> is my understanding correct of the process and are there any security issues
> with this?
>
> thanks

And yes, I'm sure there are security issues. Aren't there always :)

Tom


> On Tue, Sep 4, 2012 at 2:59 PM, Tom Rondeau <address@hidden> wrote:
>>
>> On Sat, Sep 1, 2012 at 5:40 PM, Norman Khine <address@hidden> wrote:
>> > hello,
>> > i am interested in learning if it is possible to use gnuradio to
>> > implement a
>> > similar application to how tagpay works, here are some details
>> > http://www.tagattitude.fr/en/products/technology
>> >
>> > any advise much appreciated.
>> >
>> > norman
>>
>> Norman,
>>
>> From a signal processing standpoint, sure, GNU Radio should work with
>> the basic idea. The issue you face is how to get the information into
>> and out of GNU Radio to the external world. You might be able to use
>> the audio I/O, but my guess is that you'll need some more specialized
>> equipment. Of course, I say this after a 1 minute look at that
>> website, so I'm sure there are subtleties that I'm missing.
>>
>> Tom
>
>
>
>
> --
> %>>> "".join( [ {'*':'@','^':'.'}.get(c,None) or chr(97+(ord(c)-83)%26) for
> c in ",adym,*)&uzq^zqf" ] )
>