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M7100 Encryption Question

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LowderK

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Ok just a quick question.... on the M7100 is he DES-OFB and AES just a add on flash or does it also require flash and hardware like the Motorola ...?
thanks in advance
 

n3obl

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You need the feature code in the string for it enabled and also the DSP has to support it. There are different DSP versions based on encrypted vs non-encrypted radios.
 

LowderK

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Ok thanks so if you have a non encryption radio you can buy updated feature string and DSP and your good Togo..?
 

wa8pyr

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Ok thanks so if you have a non encryption radio you can buy updated feature string and DSP and your good Togo..?

You also have to have the key generating software and the key loading software (two different packages), or a hardware keyloader which will work with the x7100 series. I've never seen anybody use anything but the software to generate and load key files, so I'm not sure if there even is a hardware keyloader that works with the x7100.
 

LowderK

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I have a KVL3000+ I wonder if that will load AES keys into it like my XTL radios
 

wa8pyr

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I have a KVL3000+ I wonder if that will load AES keys into it like my XTL radios

The KVL3000+ is said to work with the XG and XL radios, but I have no idea about the x7100 series. We're slowly getting rid of our x7100 series since they don't do Link Layer Authentication.
 

RussH

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The KVL3000+ is said to work with the XG and XL radios, but I have no idea about the x7100 series. We're slowly getting rid of our x7100 series since they don't do Link Layer Authentication.
I have had success with loading AES keys into both XG and XL series radios with my KVL5000. I haven't tried with the x7100s though.
 

wa8pyr

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Ok off subject what is link layer authentication...?

Security feature to prevent unauthorized access. Each radio has a unique 128-bit authentication key with the matching key in the LLA database at the system level. When the radio attempts to register, the system challenges and the radio responds with it's key; if the response is incorrect, the radio is not permitted on the system and is effectively useless.

With this, I have to load an authentication key in the radio with my keyloader, and after every so many radios (I think 200) I have to connect to the system to upload the keys. Why they couldn't use each radio's unique ESN (electronic serial number) I don't know, probably would have saved all kinds of time and trouble.

PS - Motorola calls it Radio Authentication.
 

wa8pyr

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I have had success with loading AES keys into both XG and XL series radios with my KVL5000. I haven't tried with the x7100s though.

How???? I have a KVL5000 and XL200 portables work like a charm, but using the Harris keyloader cables I couldn't get the XG radios to take the key. Hook up the cable, the radio says "Keyload" and then the keyloader just spins it's wheels.
 

RussH

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How???? I have a KVL5000 and XL200 portables work like a charm, but using the Harris keyloader cables I couldn't get the XG radios to take the key. Hook up the cable, the radio says "Keyload" and then the keyloader just spins it's wheels.
Wait... are you having issues with the XG portables or XG mobiles? The XG portable has been as easy as the XL-200P. I know we had some trouble with the XG-100M mobiles at first but we were able to sort it out.

If you're having difficulty with the mobile, which KVL cable are you using?

It's also important to note that we haven't fully implemented any encryption in my area but we are expecting to. We just wanted to make sure that we are able to do so before making that transition.
 

littona

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Thanks for re-affirming my reasoning for our company avoiding encryption. With over 200 radio sites, 400 aircraft, and who knows how many portables... I'd need a fleet of technicians just to keep the encryption going. ;)
 

wa8pyr

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Wait... are you having issues with the XG portables or XG mobiles? The XG portable has been as easy as the XL-200P. I know we had some trouble with the XG-100M mobiles at first but we were able to sort it out.

XG portables; haven't attempted mobiles yet. Using the actual Harris cable for use with Motorola KVL devices.

I'm told that the KVL3000+ and KVL4000 work just fine; the KVL5000 is an updated version of the KVL4000 (based around an Android phone instead of a Blackberry-style device), so I have no idea what the problem is. Wish I could make it work; I really don't want to spend money on the Harris keyload software.
 

rescue161

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We have over 11,000 radios and all are encrypted. Easy day with OTAR. The only radios we load with a KVL are non-Harris, like Motorola. All of the Harris radios are loaded with the UKEK Provisional file with Key Loader software and then they request the key via OTAR.
 

rescue161

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Just to clarify, all radios must request a rekey after they are keyloaded. That wasn't made clear in my earlier post.
 

RussH

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XG portables; haven't attempted mobiles yet. Using the actual Harris cable for use with Motorola KVL devices.

I'm told that the KVL3000+ and KVL4000 work just fine; the KVL5000 is an updated version of the KVL4000 (based around an Android phone instead of a Blackberry-style device), so I have no idea what the problem is. Wish I could make it work; I really don't want to spend money on the Harris keyload software.
Oh... The only issue I had with Keyloading the XG-portable was making sure that I had loaded the encryption module properly in RPM and updated the feature encryption in the maintenance utility... after that, it was off to the races... I just wish there was an "single-key encryption" feature set for them... vice dropping the money for multi-key just for testing purposes.... Thankfully, I don't have many of them floating around my fleet.
Ultimately, I'm with you on why I went with a KVL vice Harris Keyloader... as there is zero consistency in the make/models amongst my radio-fleet, I could at least trust there would be cables to interface anything with the KVL.

We have over 11,000 radios and all are encrypted. Easy day with OTAR. The only radios we load with a KVL are non-Harris, like Motorola. All of the Harris radios are loaded with the UKEK Provisional file with Key Loader software and then they request the key via OTAR.
Ultimately, I would love to end up with an OTAR solution... unfortunately, given my issue with standardization, I would need the solution to be vendor-neutral...
 

rescue161

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It all depends on your KMF. We have a mix of vendors and they all play OTAR nicely as long as the info (UKEK, Key ID, RID, etc) in the radio matches what is in the KMF.
 
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