Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.debian.user > #206566

Re: Flushing all Buffers Before Exiting

Show all headers | View raw

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

Back to linux.debian.user | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

Flushing all Buffers Before Exiting "Martin McCormick" <martin.m@suddenlink.net> - 2019-03-21 15:10 +0100
  Re: Flushing all Buffers Before Exiting Kenneth Parker <sea7kenp@gmail.com> - 2019-03-21 15:40 +0100
    Re: Flushing all Buffers Before Exiting <tomas@tuxteam.de> - 2019-03-21 16:20 +0100
      Re: Flushing all Buffers Before Exiting Curt <curty@free.fr> - 2019-03-21 19:10 +0100
        Re: Flushing all Buffers Before Exiting Greg Wooledge <wooledg@eeg.ccf.org> - 2019-03-21 19:20 +0100
        Re: Flushing all Buffers Before Exiting Luís Gomes <luismsgomes@gmail.com> - 2019-03-21 19:30 +0100
    Re: Flushing all Buffers Before Exiting "Martin McCormick" <martin.m@suddenlink.net> - 2019-03-21 17:40 +0100
      Re: Flushing all Buffers Before Exiting Greg Wooledge <wooledg@eeg.ccf.org> - 2019-03-21 17:50 +0100
        Re: Flushing all Buffers Before Exiting <tomas@tuxteam.de> - 2019-03-21 18:30 +0100
      Re: Flushing all Buffers Before Exiting David Wright <deblis@lionunicorn.co.uk> - 2019-03-21 19:40 +0100
        Re: Flushing all Buffers Before Exiting "Martin McCormick" <martin.m@suddenlink.net> - 2019-03-22 02:00 +0100
          Re: Flushing all Buffers Before Exiting deloptes <deloptes@gmail.com> - 2019-03-22 06:20 +0100
          Re: Flushing all Buffers Before Exiting "Jeremy Nicoll" <jn.ml.dbn.25@letterboxes.org> - 2019-03-22 17:40 +0100
          Re: Flushing all Buffers Before Exiting <tomas@tuxteam.de> - 2019-03-22 17:50 +0100
            Re: Flushing all Buffers Before Exiting David Wright <deblis@lionunicorn.co.uk> - 2019-03-23 16:30 +0100
              Re: Flushing all Buffers Before Exiting <tomas@tuxteam.de> - 2019-03-23 18:30 +0100
                Re: Flushing all Buffers Before Exiting David Wright <deblis@lionunicorn.co.uk> - 2019-03-24 17:20 +0100
                Re: Flushing all Buffers Before Exiting "Martin McCormick" <martin.m@suddenlink.net> - 2019-03-24 19:30 +0100
                Re: Flushing all Buffers Before Exiting Gene Heskett <gheskett@shentel.net> - 2019-03-24 20:00 +0100
                Re: Flushing all Buffers Before Exiting deloptes <deloptes@gmail.com> - 2019-03-24 21:40 +0100
                Re: Flushing all Buffers Before Exiting "Martin McCormick" <martin.m@suddenlink.net> - 2019-03-25 03:00 +0100
                Re: Flushing all Buffers Before Exiting deloptes <deloptes@gmail.com> - 2019-03-25 07:20 +0100
                Re: Flushing all Buffers Before Exiting <tomas@tuxteam.de> - 2019-03-25 10:50 +0100
                Re: Flushing all Buffers Before Exiting David Wright <deblis@lionunicorn.co.uk> - 2019-03-26 17:50 +0100
                Re: Flushing all Buffers Before Exiting <tomas@tuxteam.de> - 2019-03-26 18:00 +0100
                Re: Flushing all Buffers Before Exiting Curt <curty@free.fr> - 2019-03-26 18:40 +0100
                Re: Flushing all Buffers Before Exiting <tomas@tuxteam.de> - 2019-03-26 19:00 +0100
                Re: Flushing all Buffers Before Exiting David Wright <deblis@lionunicorn.co.uk> - 2019-03-27 16:00 +0100
                Re: Flushing all Buffers Before Exiting <tomas@tuxteam.de> - 2019-03-27 16:20 +0100
  Re: Flushing all Buffers Before Exiting Lee <ler762@gmail.com> - 2019-03-21 19:50 +0100
    Re: Flushing all Buffers Before Exiting "Martin McCormick" <martin.m@suddenlink.net> - 2019-03-23 22:40 +0100

csiph-web