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Encryption on Conventional

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Res21cue

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Is it possible to enable encryption on a conventional channel? I have tried but im finding that everything is greyed out unless I select NXDN settings and such. I just want to enable it on one conventional channel shared between a few select users.
 

mmckenna

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Not sure which radio you have, but using KPG-111, set up a channel, then go to Channel Edit (bottom of the screen) Page 2. There is a click box for "Scrambler". You can activate the scrambler on Analog channels.
Unless you have the optional voice scrambler board installed/activated, you won't be able to pick a code, it'll just default to Code 1. If you have the voice scrambler board installed, you can chose 1-16.
 

racingfan360

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What model are you referring to?

Do you want this privacy setting on an analogue or NXDN channel? On most NX models you can have a scrambler setting on analogue or encryption on NXDN. You can have encryption on a NXDN conventional or trunked channel. To add encryption to a NXDN channel you first need to add encryption keys (under Edit > Encryption)

(Edit: mmckenna and my messages crossed - use his advice for analogue, mine for NXDN)
 

BirkenVogt

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I do not know of any true "encryption" scheme to use on pure analog. Most of them are some variation of voice inversion where they change it x number of times per second (or not at all) but x is usually pretty low. I have tried, you can definitely hear the voice cadence when the user is speaking or pausing. With any true encryption silence will be indistinguishable from voice or information.

Motorola Securenet might be an exception to this but I don't know how it works. It might actually be an early form of digital modulation since I believe it is unable to pass through a repeater as audio.

Of course with modern digital radios with AES option, ultra secure encryption is trivial because AES simply needs to be applied to the bit stream. So going digital would be much more practical than some antiquated Securenet idea.
 

rapidcharger

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You asked about encryption for CONVENTIONAL but did not specify whether you are talking about analog or conventional.

The encrpytion is available for digital conventional. For analog conventional, you can use the inversion scrambler.
 
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