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Provoice Encrypted Key

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tabarnak

Member
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Feb 7, 2009
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Hello all,

is there a list of Default keys ? for Encrypted Provoice channels ?

thx
 

ElroyJetson

I AM NOT YOUR TECH SUPPPORT.
Joined
Sep 8, 2002
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2,539
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DO NOT ASK ME FOR HELP PROGRAMMING YOUR RADIO. NO.
ProVoice is not encryption. ProVoice is digital. Encryption can be overlaid on top of ProVoice but by default, ProVoice is only digital, NOT encrypted.

The usual RX address is 85...but sometimes it's inverted. I can't recall what the inverted value is but
someone who knows will be along shortly to provide that information.


Elroy
 

tabarnak

Member
Joined
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Messages
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ehh i know provoice isn't an encryption itself .. but sometimes a talkgroup will use Provoice + Encryption

Example : In Quebec Canada ... RSP 1 Montreal .. Laval use Provoice + ENC ... Longueuil use both Clear Provoice and Encypted Provoice

Oh and this is NOT an ESK Control Channel . i have fully "access" to the control channel. When i program these tgid in my 700P i cannot hear the conversion from certain Provoice + Enc channel. but i clearly hear clear provoice.

So we can listen to them by inverting the value ? or is there default DES keys that we can add to the radio


I've just checked in the software and the only way to reverse a value is a full frequency in conventional .. that is not what i need except if the service is always using the same frequency in the system ... but i doubt it does ... it is a very busy system ...
 
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N

N_Jay

Guest
There is no "default" key. (that would be a HUGE security hole)

you can try dumb things like all ones, or 12345. . . , etc
 

tabarnak

Member
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Feb 7, 2009
Messages
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ok so this is not just reversed provoice ? ... so i need the future 13 ( DES ) on my radio ?
 

SCPD

QRT
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Location
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The talkgroups that you are referring to are encrypted from what you are saying. So .. to clarify things for you as it looks like you are not getting what people are telling you.

1. Unless you are authorized, (which you are obviously not) it is illegal for you to listen to the talkgroups.

2. The talkgroups are encrypted for a reason .. to keep people from listening to them.

3. The keys for these talkgroups are not only secret (and not something you can guess at as there are more combinations than you could ever count in your lifetime), but the hardware to put said keys into radios are also restricted. You cannot just go to the corner radio store and buy them.

So .. what I am trying to say, just be happy that you can listen to what you can listen to and forget listening to the encrypted talkgroups.
 
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davidbond21

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you can try dumb things like all ones, or 12345. . . , etc
I was recently able to mess around with setting up some DES keys for a radio I have, and for not having any prior experience with encryption(well programming wise), let's just say it really drove home for me how ridiculously freaking unlikely anybody is going to be able to randomly, or even systematically guess what key you are using.

tabarnak,

That's just the way it is with ProVoice systems with encrypted talkgroups. You're not going to hear the encrypted transmissions unless you are a party to them, and you should just thank your lucky stars that a) you have a ProVoice radio to begin with and b)that your system doesn't use ESK, allowing you to use your radio as it was intended instead of having to use this.
 

tabarnak

Member
Joined
Feb 7, 2009
Messages
11
ok thx all

i'm sure around your area you too have encrypted channels that you would like to have an hand on ...

to David ... it is not a lucky star to have a provoice radio i paid mine 1500$ with battery antenna , charger , and usb transfer cable ... it's took me like 3 weeks to find the proper software around the internet to program it .. now i can listen to clear provoice that's it ...
 

loumaag

Silent Key - Aug 2014
Joined
Oct 20, 2002
Messages
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Thread Closed

I suspect that this will continue in the same direction it is heading right now, so I am closing it.

As a general comment, I fail to understand what part of the definition of "encrypted" people don't get. :confused:
 
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