[TrunkCom] can we decode encryption?

[James Brummett]

Hate to bust everybody bubble but it been
done already.
    By 10 college students with the government
blessing and help.
So don't say it can't be done.
   They said the same thing with another scrambling
technology.
It only cost $29.95 to do it not millions or billions
of dollars worth of equipment. 

                                  James,

--- Brian J Cathcart <scannerdude at juno.com> wrote:

> On Wed, 1 Nov 2006 23:57:36 EST Jimmykitw at aol.com
> writes:
> > NO...??? Is there anything available to purchase
> outside the USA to  
> > descrable and listen to a encrypted police radio?
> 
> No.  First, it's illegal to decode encrypted
> transmissions.  Second, it's
> not technically feasible or possible.  Encryption
> has millions of
> possible keys, and the tiny microprocessor in a
> scanner would never be
> enough to find just one of those keys, which on some
> systems can be
> changed daily right over the air.  Even if they
> didn't change the key
> daily, you would still need a combination of
> processor power and time (a
> LOT of time) to decipher the key.   OK, so you want
> to use your new
> Pentium 4 with 2GB of memory, that should do it,
> right?  Nope, still need
> lots of time just to find ONE key out of MILLIONS. 
> OK, you're a
> mathematical genius and related to Michael Dell who
> loans you a few
> hundred computers and you decipher the key and
> decrypt the signals. 
> Sorry, you just broke the law.
> 
> Some will suggest buying a "real" radio for
> listening to the system, but
> this has several problems, the most significant
> being the encryption key.
>  Having the radio with the add-on encryption module
> does you absolutely
> no good without having the proper key loaded in with
> a key loader.  And
> with millions of possible keys, trying every key one
> at a time would
> probably take you a few hundred (or thousand) years
> just to find the
> right key.  And by then you're not only dead but the
> technology has moved
> on to something we can't even conceive.  Of course,
> you could try
> bringing the radio to the department and ask them to
> program and load the
> encryption key so that you can listen to them, to
> which they will either
> fall on the ground laughing or arrest you (or at a
> minimum, interrogate
> you to find out where you bought the equipment and
> why you want to listen
> to them).
> 
> I'd suggest giving up the idea.
> 
> --
> 
> The Scanner Dude
> Brian J. Cathcart - KE4PMJ
> South Florida Frequency & Trunking Guide 10th
> Edition
> Available in both Printed and CD-ROM format
> http://www.scannerdude.com
>
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