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Sniffing the Rigol's internal I2C bus
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Daruosha:

--- Quote from: janekivi on November 27, 2016, 01:17:24 pm ---I have made some memory dumps from DS1045Z when updating firmware and entering keys.
In my case most of stuff is driving randomly in memory. At the end are licenses and keys and
serial which are always at there. Somewhere I found 5 licenses, last was my DSER. They can
be trial licenses from factory. All said "License is already used" when I was trying to enter them.
So, they can't be entered again without deleting them from eeprom...

--- End quote ---

Have you tried to uninstall trial keys with SYSTem: OPTion:INSTall commamd ?

BTW, you can generate the keys simply by using the famous rigol keygen, no JTAG dump hassles.

janekivi:
 :) I don't have problems with that. I try other things actually.
https://www.eevblog.com/forum/testgear/rigol-dsxxxx-gel-firmware-file-format/
But there was talk about using trial keys.
Uninstall doesn't delete trial keys as I see from dump. After uninstalling Your
generated key there is "Trial is over" text after every option too.
janekivi:
SYSTem: OPTion:UNINSTall is deleting "All official options removed" or something like this.
But after some mem dumps I found 36 Hours Trial License Key ... key. Like for DP832
there is the same for DS1054Z too in here http://www.gotroot.ca/rigol/riglol/
And this is V for generating trial keys for DS1054Z
Option VSER is all  options like DSER but 36 hours trial version.
So others can be

DS1000z device options:
first character: D = official, V = trial

DSAB - Advanced Triggers
DSAC - Decoders
DSAE - 24M Memory
DSAJ - Recorder
DSBA - 500uV Vertical
DSEA - 100MHz
DSFR - all options
DSER - all options - 500uV Vertical

Currently I have DS1000Z-00.04.04.00.07 firmware.
Now if I add official license, all options are official and after delete
all options continue trial time. (and mem dump is messier at key regions
like he is generating all separate trial keys but factory ones are there too. )
loaderr:
Hi all,
I uploaded fixed rigup sources to https://www.dropbox.com/sh/1yrh8s90ityn90s/AAA6PXlJk9gGQwoDOwO6TDQua?dl=0, feel free to use.
There are still some bugs as psysc0rpi0n was unable to unlock so far so use cautiously :)
I did some investigation how licenses are stored and it looks like they just programmed to flash and never erased. On startup FW scans all of them to decide which one to use. As longs as rigup works no need to worry about trials.
psysc0rpi0n:

--- Quote from: loaderr on November 28, 2016, 11:57:55 pm ---Hi all,
I uploaded fixed rigup sources to https://www.dropbox.com/sh/1yrh8s90ityn90s/AAA6PXlJk9gGQwoDOwO6TDQua?dl=0, feel free to use.
There are still some bugs as psysc0rpi0n was unable to unlock so far so use cautiously :)
I did some investigation how licenses are stored and it looks like they just programmed to flash and never erased. On startup FW scans all of them to decide which one to use. As longs as rigup works no need to worry about trials.

--- End quote ---

Thanks for sharing the semi-fixed rigol tool. Though I still have the MEM DEPTH locked! So, could you explain to us all how to generate the correct keys?? I have tried your tool but I could not generate correct keys, but somehow you achieved it!

It would be nice to know with some detail the steps you took to generate the keys using your semi-fixed version of rigup!

Cheers
Psy
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