[TheList] Encription installation commences

Neill Ellis tgsnoopy at gmail.com
Wed May 27 05:13:03 AEST 2009


This is the first roll out of P25 to general duties as I understand it.

Maybe general duties will be unencrypted except when they need encryption?

I await a report from someone with appropriate equipment in the 
Wellington region.

Sadly I expect it will be encrypted.

Breaking the encryption? Wishful thinking, but I doubt it will happen. 
If they suspect it has, they will simply change, which is a 
straightforward task.

Enjoy it while it lasts.

Regards,

Neill.

Nath Hodge wrote:
> they are saying that they will have rolled out to all the channels by 
> 2014, what channels do they class as low priority? what would the South 
> Canterbury channel be classed as?
> 
> *From:* Mike Barnes (ZL3TMB) <mailto:zl3tmb at ihug.co.nz>
> *Sent:* Wednesday, May 27, 2009 12:09 AM
> *To:* thelist at radiowiki.org.nz <mailto:thelist at radiowiki.org.nz>
> *Subject:* Re: [TheList] Encription installation commences
> 
> The police will be the same as the GSM & CDMA phones, not something to 
> listen to with the new technology.
> BUT
> 5 years is a long time for technology!  Some cleaver bugger will get it 
> to decode.....
> But then it will be a matter of "National security" and you'll be taken 
> to court as a terrorist for listening
>  
> Cheers
> Mike
> 
> ------------------------------------------------------------------------
> *From:* thelist-bounces at radiowiki.org.nz 
> <mailto:thelist-bounces at radiowiki.org.nz> 
> [mailto:thelist-bounces at radiowiki.org.nz] *On Behalf Of *Chris Hoffmann
> *Sent:* Tuesday, 26 May 2009 7:50 p.m.
> *To:* thelist at radiowiki.org.nz
> *Subject:* Re: [TheList] Encription installation commences
> 
> All encryption is breakable, however the encryption that will be in use 
> on the new network will be safe for a number of years... 
> 
> However obtaining radio key then keeping up with the re keying would on 
> paper work, you would need some very clever bunny to write some rather 
> complex software and there just isn't the interest world wide to put the 
> required effort into it. Then you also face the fact that it would be 
> illegal to decrypt it even if you could. Also I don't think Police I&T 
> will be given out keys in fortune cookies to begin with. Even if you 
> were to lay your hands on a radio, you will not be able to read the key 
> from it.
> 
> So I guess it is back to whatever it was we did before scanning :-(
> 
> ----- Original Message -----
> From: thelist-bounces at radiowiki.org.nz <thelist-bounces at radiowiki.org.nz>
> To: thelist at radiowiki.org.nz <thelist at radiowiki.org.nz>
> Sent: Tue May 26 19:36:13 2009
> Subject: Re: [TheList] Encription installation commences
> 
> Even then, no.
> 
> 
> 
> As Neill posted a few days ago, it requires 10,000ish years was it 
> Neill? with the current available computing power to crack the key. But 
> the key changes frequently so it will be quite out of date after 10,000 
> years anyway J
> 
> 
> 
> This system has been in use around the world for years, no one has 
> cracked the encryption, and it is widely believed that no-one will 
> anytime soon.
> 
> 
> 
> But if anyone wants to fire up the dusty old 386 in their garage and 
> have a go, by all means be my guest J
> 
> 
> 
> 
> 
> From: thelist-bounces at radiowiki.org.nz 
> [mailto:thelist-bounces at radiowiki.org.nz] On Behalf Of Shane Vickers
> Sent: Tuesday, 26 May 2009 7:24 p.m.
> To: thelist at radiowiki.org.nz
> Subject: Re: [TheList] Encription installation commences
> 
> 
> 
> With money I guess it could be..
> 
> 
> 
> 
> 
> From: thelist-bounces at radiowiki.org.nz 
> [mailto:thelist-bounces at radiowiki.org.nz] On Behalf Of Scott Palmer
> Sent: Tuesday, 26 May 2009 7:21 p.m.
> To: thelist at radiowiki.org.nz
> Subject: Re: [TheList] Encription installation commences
> 
> 
> 
> Do you really think it will be that simple?
> 
> 
> 
> (Answer = no)
> 
> 
> 
> J
> 
> 
> 
> 
> 
> From: thelist-bounces at radiowiki.org.nz 
> [mailto:thelist-bounces at radiowiki.org.nz] On Behalf Of Gary
> Sent: Tuesday, 26 May 2009 6:37 p.m.
> To: thelist at radiowiki.org.nz
> Subject: Re: [TheList] Encription installation commences
> 
> 
> 
> Well thinking outside the circle
> 
> 
> 
> Wouldn't it be easier to just get the same speced radio and secretly 
> clone one of the others and disable the kill feature?
> 
> 
> 
> another thing, if its a case of having the key - have some way to 
> recognise the data transmitted to change the keys/encryption and set up 
> some system to only listen for that change and record/decode it?
> 
> 
> 
> Cos surely at some stage someone will have a radio turned off or battery 
> go flat when the new key is transmitted so will have to listen out for 
> it unencrypted or is this some multi-layered system that can transmit 
> with multiple different sets of encryption at the same time?
> 
> 
> 
> Food for thought?
> 
> 
> 
> 
> 
> 
> 
> 
> 
> On 26/05/2009 5:48:32 p.m., Rick (smithr at ihug.co.nz) wrote:
>  > Hi Ray.
>  >
>  > Not sure if even our experts could decode apc25 encryption.
>  > Perhaps a digital receiver combined with a Cray supercomputer and many
>  > hours
>  > of programming may get you close but that is likely all thwarted by the
>  > "over the air rekeying".
>  >
>  > Now what did we all do before scanners came along?
>  >
>  > Rick.
>  >
>  > -----Original Message-----
>  > From: thelist-bounces at radiowiki.org.nz
>  > [mailto:thelist-bounces at radiowiki.org.nz] On Behalf Of RayC
>  > Sent: Tuesday, 26 May 2009 17:29
>  > To: thelist at radiowiki.org.nz
>  > Subject: [TheList] Encription installation commences
>  >
>  > What would be the best radio  to buy to listen to the police.
> 
> 
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