Post: Console Keys
12-18-2012, 04:05 AM #1
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per_console_root_key_0

metldr is decrypted with this key
bootldr is decrypted with this key
might be obtained with per_console_root_key_1? (largely speculative, not nec. true - need more looked into, only based on the behavior of the other derivatives known to be obtained through AES)
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per_console_root_key_1 / EID_root_key

derived from per_console_key_0
stored inside metldr
copied to sector 0 by metldr
cleared by isoldr
Used to decrypt part of the EID
Used to derive further keys (per_console_key_0 is not the key which will be derived, but is the key which has derived per_console_key_1)
can be obtained with a modified isoldr that dumps it
can be obtained with a derivation of this key going backwards

Obtaining It
Launch the patched isoldr with your prefered method, let it be Option 1, or Option 2...

Option 1 - Dumper Kernel Module
modify glevands spp_verifier_direct to dump the mbox to wherever_you_want
https://pastebin.com/uTBbnC9B<-needs to be edited further
    insmod ./spp_verifier_direct.ko
cat metldr > /proc/spp_verifier_direct/metldr
cat dump_eid_root_key.self > /proc/spp_verifier_direct/isoldr
echo 1 > /proc/spp_verifier_direct/run
cat /proc/spp_verifier_direct/debug
hd /ls.bin | less


Option 2 - Dumper Payload
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The following 3 users say thank you to Dr. Mayham for this useful post:

jborgadog, KAD-Modz,
12-18-2012, 12:11 PM #2
Copy paste much? Anyway, nice explanation.
12-18-2012, 12:31 PM #3
that's old its got a new chain now!!! eid you can dump from multiman or eid dump Good copy and paste thou!!! but im afraid to say its old!!
12-19-2012, 05:52 PM #4
dario1414
I am error
nice job bro!

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