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Date:      Sun, 06 Mar 2011 09:56:05 -0500
From:      Etienne Robillard <erob@gthcfoundation.org>
To:        Hans Petter Selasky <hselasky@c2i.net>
Cc:        adrian@freebsd.org, freebsd-current@freebsd.org
Subject:   Re: can somebody explains OFDM in FreeBSD?
Message-ID:  <4D73A085.4030009@gthcfoundation.org>
In-Reply-To: <201103061533.32138.hselasky@c2i.net>
References:  <4D7398C6.8030800@gthcfoundation.org> <201103061533.32138.hselasky@c2i.net>

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On 06/03/11 09:33 AM, Hans Petter Selasky wrote:
> On Sunday 06 March 2011 15:23:02 Etienne Robillard wrote:
>   
>> Hi, as the subject line implies, can someone explains why OFDM (Orthogonal
>> Frequency Division Multiplexing) is required for running run(4) ? Is there
>> any (safer) alternative to OFDM?
>>
>> If not, could the FreeBSD security team verify the the safety of OFDM
>> derived
>> drivers (in particular wireless ethernet based nics) so that no ones get
>> hurt being
>> a WLAN (802.11ng ethernet-class) subcarrier ?
>>     
> As per my knowledge OFDM is a carrier format which is handled by the hardware. 
> Is there anything in particular you want to high-light?
>
> --HPS
>   


Yes, from a security perspective, could radiance from ELF/VLF operating
devices as
"ethernet-class subcarriers"  which is part of the OFDM spec be
considered harmful?

if not is there any OFDM code in OpenBSD?

Cheers,


references:

1. Orthogonal Frequency Division Multiplexing (OFDM)
https://gthc.org/investigations/pub/armstrong.pdf



-- 

Etienne Robillard

Company: Green Tea Hackers Club
Occupation: Software Developer (and CEO)
E-mail:     erob@gthcfoundation.org
Work phone: 450-936-2123
Website (Company):  https://gthc.org/
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During times of universal deceit, telling the truth becomes a revolutionary act. -- George Orwell 

If a free society cannot help the many who are poor, it cannot save the few who are rich. -- John F. Kennedy




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