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Sniffing the Rigol's internal I2C bus

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zombie28:

--- Quote from: at2 on February 02, 2014, 09:10:54 pm ---Hi zombie 28,
after receiving the long string by sending *IDN? of the encryption free made Ds2072A i tried to put this
string into the HxD editor.
But which is the  final serial ?
I tried also the rigup keygenerator with the so received string from the DS2072A but i always receive the message "no keys in there".
Did i miss something, or did i send the wrong string to the keygenerator?

at2

--- End quote ---

You need to append your scope's serial number and terminate it with 0 in HxD editor.

zombie28:

--- Quote from: tiagobaracho on February 02, 2014, 09:32:18 pm ---On the rigup readme it says ( 2.) Once you got a memory dump of your scope, use the tool "rigup" to     create a list of suitable licenses. Example:       rigup ds2072a memory_dump.bin "
how do i do this memory dump ?

--- End quote ---

The answer is here: https://www.eevblog.com/forum/testgear/sniffing-the-rigol's-internal-i2c-bus/msg380144/#msg380144

at2:
Hi zombie28,

i did as you wrote:" you need to append your scope's serial number and terminate it with 0 in HxD editor".

But it comess the same answer, that there will be no keys there inside.
What did i wrong? I copied the whole string beginning with "Rigol.." and put it into the HxD editor with appending the SN and 0.
I did only the numbers following the text string " Rigol..." but i think this would be wrong.

Thank you for your execellent work for encrypting the DS2000A and for your assistance help.

at2

zombie28:

--- Quote from: at2 on February 02, 2014, 09:54:43 pm ---i did as you wrote:" you need to append your scope's serial number and terminate it with 0 in HxD editor".

But it comess the same answer, that there will be no keys there inside.
What did i wrong? I copied the whole string beginning with "Rigol.." and put it into the HxD editor with appending the SN and 0.
I did only the numbers following the text string " Rigol..." but i think this would be wrong.

--- End quote ---

Put the string starting with '02008400...' as binary data, ie. 0x02, 0x00, 0x84, 0x00 and so on, then append your scope's serial number 'DS2D....' as plain ASCII text and then append 0x00 byte.

diyaudio:
still no luck, can anyone please let me know what os system they using and why this software keep crashing on me. :face palm:

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