Re: Flushing all Buffers Before Exiting
Martin McCormick wrote:
> deloptes <deloptes@gmail.com> writes:
>> I just wonder why one would do that, but it is again your business.
>
> In all but a very small handful of countries around the
> world, the hobby of amateur radio exists and it's justification
> for existence is to allow people to self-train as to how
> electronic communication, especially radio, works. The vast
> majority of radio amateurs do not do destructive things with the
> knowledge they gain but listening to non-amateur communications
> systems and understanding how they work is part of the hobby.
> So, we do things that may seem really strange to those who don't
> look at technology that way.
>
> Computers fit right in to this hobby also as they are
> part of modern life.
>
>> Nowdays
>> all of this communication is encrypted and you have virtually no chance
>> listening to this.
>
> When the day comes in which all radio communications are
> encrypted except for amateur radio where encryption is illegal,
> we will probably stop listening to signals other than amateur
> radio and broadcasting.
>
> Right now, much is still in the clear. It may be
> digitally encoded but the coding standards are either to
> improve reception, compress bandwidth or both. If they are to
> obscure the conversation from eaves-droppers, then the landscape
> gets more complicated regarding the law.
>
I was thinking it is forbidden for amateur radio, because theywant to listen
to you.
>> In most of the countries it is even illegal, but ok,
>> one
>> can do things for fun anyway - braking the encryption though is close to
>> impossible.
>
> That is quite true. some of the encoding schemes involve
> more than one layer of encryption and use 1024-bit keys or
> something similar so a person who doesn't know the key or keys
> involved probably doesn't have enough seconds in his or her
> natural life to break even 1 set of keys much less deal with the
> key-holders changing the keys every hour or so. There are far
> better ways to spend one's life.
>
Look at the wikipedia link I shared - it talks about the keys
>> The communication follows well defined protocol, so knowing it, you might
>> be
>> able to read the frames, but the content will remain hidden.
>
> Quite true.
>
> In the case of what I am doing, a web site for scanner
> radio enthusiasts published the frequencies and the logical order in
> which they should be entered in to a receiver but the index
> numbers turned out to be wrong due to changes made to the site
> after the information was published. The control data includes
> the index number for the channel to which a conversation or part
> of one is assigned so one can learn the list by reading the index
> numbers and observing which channels come to life. This allows
> one to fix the list correctly. It's like solving a partly
> assembled puzzle.
>
> Sorry for getting far afield of the original topic.
>
> Martin WB5AGZ
Why don't you get the documentation or at least what is publicly available
and solve it?
regards
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