Hi Derek

I have cleaned the data in the serial logs uploaded by the users and It's pretty similar to the communications flow and meaning described in the KG-UV8D plus, I will try to figure out if the encryption is the same and will poke it to see if I can get it decrypted.

It makes some logic that they reused the same algorithm, and even the same key for the xor encryption. I will see.

[few hours later... I think I hit "send" but apparently not...]

So far so good, I have built a simple validation script for individual packets and decryption seems to work, they match in the payload size and checksum, I will try the hole data file and try to figure some logic from it.

If they changed the single char encryption I think that a loop for the 256 available chars and some intuition looking at the data must figure it out.

I have to go offline now, will be back with results tomorrow.

73 Pavel CO7WT.

El 03/01/18 a las 12:30, Derek Chauran escribió:

If it's anything like the uv8d, the serial traffic is encrypted. I did a bit of digging and it looks like it uses the windows bcrypt.dll library which is a crypto wrapper. There's also a small discrepancy in the .exe strings of the factory software, an extra string with a value of 123456 which I suspect to be the encryption key.  Just not sure of the algorithm. Good luck!

-------- Original message -------- From: Pavel Milanes via chirp_devel chirp_devel@intrepid.danplanet.com Date: 1/3/18 8:37 AM (GMT-08:00) To: "D.J.J. Ring, Jr. via chirp_devel" chirp_devel@intrepid.danplanet.com Subject: Re: [chirp_devel] (no subject) KG-UV8E

Hi HNY to all...

Has any developer make some work on this?

I'm taking a peek on the logs to evaluate if I can make it.

I ask the above question to not step on other developer started work...

73 Pavel CO7WT.

El 29/12/17 a las 11:10, D.J.J. Ring, Jr. via chirp_devel escribió:

...

Hello,

I wonder if  anyone is interested in working on the Wouxun KG-UV8E? It's a wonderful little radio  and it supports 3 bands,  144, 222,

440 MHz.

...

There is a small cash award for having it added  to CHIRP and  an offer by myself of equipment loan.

Several of the guys around here use  it for EMCOM and would like it supported - CHIRP makes everything easier.

New Model #3943: WOUXUN KG-UV8E

Chris Reed did some work on this.

73

David N1EA _______________________________________________ chirp_devel mailing list chirp_devel@intrepid.danplanet.com

https://eur02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fintrepid.da...

...

Developer docs:

https://eur02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fchirp.danpl...

-- 73 CO7WT, Pavel.

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