I am looking for a DMR repeater that can work with my radios that have aes encryption. I know moto dmr radios do not support AES, but I am wondering if a DMR repeater received an encrypted signal would it just pass the bits and rebroadcast allowing the receiving radio to receive and decode the transmission?
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AES256 Encryption with a Moto DMR repeater?
- Thread starter R22Beta
- Start date
N4KVE
Member
Are you sure?
Attachments
Moto doesn't officially support it, but I know there are ways to get aes on their mototrbo/dmr radios.
If I get a moto repeater I don't really want to have to figure out how to hack it. I'd rather just use what is supported by Motorola.
If their dmr repeaters support aes please let me know. That would be a nice plus.
Isn't single channel DMR trunking known as Capacity Plus? Mmckenna could you clarify Capacity Plus?
Who said anything about trunking?
No.
pewpew45
Member
I am running both a XPR8300 and XPR8400 that passes AES encryption just fine. Think the only thing I did was change to to enhanced privacy. If I remember correctly that setting has the repeater pass bits differently so they don't get bunched up and garble encrypted messages. Either way they both work excellent.
kayn1n32008
ØÆSØ Say it, say 'ENCRYPTION'
Yes they do. They would just rather try and force customers to P25 gear.
There is nothing to figure out.
When you configure the repeater, under: General -> Security select/tick the box for 'enhanced privacy' before you write to the repeater. It now will pass AES or RC4 encryption with out issue.
kayn1n32008
ØÆSØ Say it, say 'ENCRYPTION'
Yep, it's how RC4 and AES encryption are implemented. They Rob voice payload to send IM and KID info so the receiving radios know what key to use to decrypt the encrypted voice frames. If you don't check the enhanced privacy box, the KID/MI are not repeated by the repeater.
kayn1n32008
ØÆSØ Say it, say 'ENCRYPTION'
XPR3xxx/4xxx/6xxx series do not support AES encryption but the XPR5xxx/7xxx series and newer definitely do support AES. Both my XPR5550 and my XPR7550&7550e have AES encrypted channels in them.
I know you can get aes on xpr radios, but if you go to your moto dealer to enable they won't do it. I think people bring in radios from over seas or get their hands on depot to get aes on xpr radios. Not sure I would consider that supported though.
Anyways I get your point that the repeater will just pass the traffic. I figured it would, but I just wanted to check before I picked up a repeater that wouldn't pass the encryption. Thanks for the reply!
It depends what dealer. It isn't "generally available" but some dealers have been able to order it for specific customers. Local small PD here went DMR with AES. I suspect Motorola sold it as they realized they'd lose the customer entirely if they didn't.
I have purchased some XPR7550e as "depop" versions, where there was a use case for Motorola radios (contract issue), that did not have Bluetooth, WiFi, or GPS, but had AES256 encryption.
These were specifically made without the chips for other wireless formats, and then an Entitlement ID for enabling the AES256 encryption.
They can be purchased this way, and awaiting approval to get R7 Trbo this way as well.
A lot of money for these "options" but still cheaper than going Astro versus Trbo. Logistically, I prefer to go Astro line if AES256 is needed.......Motorola's server can suck for enabling EID's at times (along with the corporate firewalls that always cause problems).
These were specifically made without the chips for other wireless formats, and then an Entitlement ID for enabling the AES256 encryption.
They can be purchased this way, and awaiting approval to get R7 Trbo this way as well.
A lot of money for these "options" but still cheaper than going Astro versus Trbo. Logistically, I prefer to go Astro line if AES256 is needed.......Motorola's server can suck for enabling EID's at times (along with the corporate firewalls that always cause problems).
