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Sniffing the Rigol's internal I2C bus

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psysc0rpi0n:

--- Quote from: Daruosha on October 17, 2016, 10:29:33 am ---I'm sure my question has been answered somewhere, but I cannot find it. My USB Blaster in JTAG mode has TCK,  TDO, TDI, TMS, Vcc and GND, But in the apparently the JTAG port on the scope has more pins like SRST and a few more? Anyone kind enough to help me with the wiring?

(I really need to read a bit about JTAG, stupid questions)

--- End quote ---

Page 150 of this thread! I think that is what you need!

You might also need to see this link if you ever need to match pins names if they are named different.

nctnico:
Just out of curiosity: what is different about the MSO1000Z which makes it difficult to hack? Can't it be upgraded using a license key? If it can be upgraded using a license key then I guess someone needs to figure out what Rigol has changed in their key generation algorithm.

Fungus:
Can the "soft" items (eg. advanced triggers) be upgraded with a keygen and entering a code on the front panel?

Howardlong:

--- Quote from: nctnico on October 17, 2016, 07:33:06 pm ---Just out of curiosity: what is different about the MSO1000Z which makes it difficult to hack? Can't it be upgraded using a license key? If it can be upgraded using a license key then I guess someone needs to figure out what Rigol has changed in their key generation algorithm.

--- End quote ---

Pretty much. There's a change to the algorithm/key stuff in the MSO, and as I understand it no one with the right skills (and the scope) has had that most valuable of assets, enough time, to invest to come up with a less intrusive method. When I did it as a script monkey guinea pig some time ago, it took about half a day, but we didn't have it quite so well documented back then.

Daruosha:

--- Quote from: psysc0rpi0n on October 17, 2016, 10:35:03 am ---
--- Quote from: Daruosha on October 17, 2016, 10:29:33 am ---I'm sure my question has been answered somewhere, but I cannot find it. My USB Blaster in JTAG mode has TCK,  TDO, TDI, TMS, Vcc and GND, But in the apparently the JTAG port on the scope has more pins like SRST and a few more? Anyone kind enough to help me with the wiring?

(I really need to read a bit about JTAG, stupid questions)

--- End quote ---

Page 150 of this thread! I think that is what you need!

You might also need to see this link if you ever need to match pins names if they are named different.

--- End quote ---
any news about your situation? could you manage to make successful dump and generate keys?

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