Products > Test Equipment
Sniffing the Rigol's internal I2C bus
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zombie28:

--- Quote from: pascal_sweden on January 02, 2014, 09:20:22 pm ---Bottom line: is the DS2072A hackable to 300 MHz with all options or not?

--- End quote ---

Not yet, but I believe it will be soon.

I have just finished analysis of license decoder and collected enough information to rewrite it into C. If anyone has A-type license code and doesn't mind sharing it with me, please send me PM. This would speed up the whole process.
marmad:

--- Quote from: pascal_sweden on January 02, 2014, 09:20:22 pm ---The old unit DS2072 is still available, but I guess it is wise to buy the newer unit from a support perspective, or is there no concern here?

--- End quote ---

There is no concern that support for non-A models will stop; there have been MANY of them sold - the FW works for both models. It will be a long time until as many A models are sold.
chebeba:

--- Quote from: zombie28 on January 03, 2014, 01:39:10 am ---I have just finished analysis of license decoder and collected enough information to rewrite it into C.

--- End quote ---

Just out of curiosity, and maybe because I am looking a little bit at learning to code for CUDA:

Couldn't this be used to brute force the new private key? It's only 48 bits, as far as I can see...
AndersAnd:

--- Quote from: chebeba on January 03, 2014, 09:35:42 am ---
--- Quote from: zombie28 on January 03, 2014, 01:39:10 am ---I have just finished analysis of license decoder and collected enough information to rewrite it into C.

--- End quote ---
Just out of curiosity, and maybe because I am looking a little bit at learning to code for CUDA:

Couldn't this be used to brute force the new private key? It's only 48 bits, as far as I can see...

--- End quote ---

zombie28 has already posted the new private key:


--- Quote from: zombie28 on December 29, 2013, 11:38:05 pm ---I found function that loads alternative public key in DS2K-A firmware. The new public key is 0xA51BF373712F7D and the private key (that matches old Rigol ECC parameters) is 0x888E77EE47C50A. I don't have DS2K-A scope yet, so I can't confirm if this key will work with existing keygens.

--- End quote ---
NikWing:
yes, but there's something else missing since this private key doesn't work yet
I think that's what zombie28's working on atm
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