I'm quite woundering why Encryption has been topic this late.
It is possible to use an encryption. The most simple way would be a
Diffie-Hellman Key-Exchange (even over-the-Air) and then using AES-256
bitwise; making a buffer of 256 bits before transmission necessary...
But even if the entire encrypion would be specified and open-licensed
alike Codec2, I do not believe that any regulatory authority, like the
FCC, allows it...
In Germany, the authorities forbid the usage of encryption on CB-Band;
even when used on data transmission channels, saying that it cannot be
identified by them or other users as intentional broadcast and may
declare it as RF-noise and excessive disturbing of other frequency -
users...
It seems likewise the GSM [pseudo] 'encryption' A8/A5/A3, that such
technology that truly provides security (GSM never has!) violates the
''Wassenaar Threaty'', by declaring, that it could be used by 'bad/wrong
guys', too.
In detail, when operating a CB-Gateway, it may be called an
''[Mobile/Wireless] Telephony Service Provider'' and automatically
becomes subject to ''Lawful Interception'', that enforces the operator
to decrypt all traffic and refuse the transmission of traffic that
cannot be decrypted.
However, implementing an encryption seems quite useful.
Am 12.03.2013 21:44, schrieb Bruce Perens:
> Hi Doug,
>
> Yes, I'd heard of this before. Our mission, this time, it authenticate
> without obscuring the message content. So, chaffing probably won't be
> part of the picture.
>
> Thanks
>
> Bruce
>
>
> On 03/12/2013 12:56 PM, Douglas Quagliana wrote:
>> Hi Bruce,
>>
>> Just to muddy the waters... there is a way to preserve confidentiality
>> without
>> using any encryption, but I don't know if this satisfies things like
>> HIPPA. See
>>
>> http://people.csail.mit.edu/rivest/Chaffing.txt
>>
>> >From the above article:
>>
>>> In summary, we have introduced a new technique for confidentiality,
>>> called ``chaffing and winnowing''. This technique can provide
>>> excellent confidentiality of message contents without involving
>>> encryption or steganography.
>> Douglas
>>
>>
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