Hacking RELEASE biskeydump and HacDiskMount - Switch eMMC decryption/real-time mounting tools

alkar · Nov 27, 2018

I thought tsec_root_key was device specific?

Raugo · Nov 27, 2018

alkar said:
I thought tsec_root_key was device specific?

No, tsec_root_key is the new name of the master_key and is the same for all the consoles.

shchmue · Nov 27, 2018

Manurocker95 said:
I was able to dump keys on 6.2 without problems. I got problems when generating keys.txt with
"Using BOOT0.bin to get keys from package1...
Could not find keyblob_mac_key_source! Please check the integrity of the data used in the current stage!" message, tho.

you're running a hactool key derivation script. none of those work on 6.2.0. that's has nothing to do with biskeydump.

Raugo said:
No, tsec_root_key is the new name of the master_key and is the same for all the consoles.

it is not console unique but it's not the master key, it's just an extra thing used to derive the master key since 6.2.0.

Adran_Marit · Nov 27, 2018

Manurocker95 said:
I was able to dump keys on 6.2 without problems. I got problems when generating keys.txt with
"Using BOOT0.bin to get keys from package1...
Could not find keyblob_mac_key_source! Please check the integrity of the data used in the current stage!" message, tho.

I was using v6 when I posted that

krazyblunts · Nov 27, 2018

apologies if this question is stupid.

But can I still run biskeydump even though i already homebrewed? my plan is to restore my nand but I’m not sure if the keys are needed to complete the restore.

Cynder · Nov 27, 2018

krazyblunts said:
apologies if this question is stupid.

But can I still run biskeydump even though i already homebrewed? my plan is to restore my nand but I’m not sure if the keys are needed to complete the restore.

Yes you can run biskeydump even after homebrewing. It's a payload you push just like a CFW. However, the keys aren't necessary for restoring NAND through Hekate. The keys can however check to see if your NAND backup is viable or not. Get Key 0, load rawnand.bin in HacDickMount, double click the first thing (should be something like PRODUCT or something), and put in both versions of your Key 0 and hit verify. It'll tell you if it's a usable NAND.

rajkosto · Nov 27, 2018

if you are trying to somewhat verify a backup/rawnand via HacDiskMount, you should do that to all the partitions that take in a bis key (bis key idx mentioned in mount dialog), also the button is called Test not verify.

Manurocker95 · Nov 27, 2018

Adran_Marit said:
I was using v6 when I posted that

did you get keys.txt generation working?

danfozzy85 · Nov 27, 2018

Ive just dumped my Bis keys using v7, my bis_key_02 and bis_key_03 are matching. Is this correct? running 6.1

Cynder · Nov 27, 2018

danfozzy85 said:
Ive just dumped my Bis keys using v7, my bis_key_02 and bis_key_03 are matching. Is this correct? running 6.1

I've heard that's common. It's probably right.

cris_docsis · Nov 28, 2018

rajkosto said:
if you are trying to somewhat verify a backup/rawnand via HacDiskMount, you should do that to all the partitions that take in a bis key (bis key idx mentioned in mount dialog), also the button is called Test not verify.

Is possible to talk in dm?

LemonScented · Nov 28, 2018

Manurocker95 said:
I was able to dump keys on 6.2 without problems. I got problems when generating keys.txt with
"Using BOOT0.bin to get keys from package1...
Could not find keyblob_mac_key_source! Please check the integrity of the data used in the current stage!" message, tho.

I also have this error, "Could not find keyblob_mac_key_source! Please check the integrity of the data used in the current stage!" How did you downgrade?

Manurocker95 · Dec 8, 2018

Now that we have cfw with 6.2 full support, did anyone manage to get keys.txt on that OFW? Keplez is crashing all the time

Saiylem · Dec 13, 2018

Does a console's SBK and TSEC key change with firmware updates?

Draxzelex · Dec 13, 2018

Saiylem said:
Does a console's SBK and TSEC key change with firmware updates?

No, these are hard-coded into every Switch console. The only keys that change with firmware updates are masterkeys.

hippy dave · Dec 14, 2018

Atmosphere and hekate have been on a recent drive to clean up files from the SD card root - any plans to do that with hdm's config files?

Tsuchan21 · Dec 15, 2018

I have MacBook Pro 2015. Any suggestion to get the files out of Rawnand file? I also have pc, but HacDiskMount can't run because of something related to 86x in pc. I know little bit of terminal stuff...

hippy dave · Dec 15, 2018

Tsuchan21 said:
I have MacBook Pro 2015. Any suggestion to get the files out of Rawnand file? I also have pc, but HacDiskMount can't run because of something related to 86x in pc. I know little bit of terminal stuff...

There's switchfs, needs python 3 and fuse. It's currently read-only but that would do for getting the files out.

Tsuchan21 · Dec 15, 2018

To hippy dave; Thank you for your help; I might need your help more. I installed switchfs and fuse by following all of the directions on that GitHub that you sent to me; but I don't understand what's the next step for it.

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