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<
f_>
Now I'm suspicious
<
f_>
On coldboot, and on reboot from pmOS or Android, BL2 loads FIP header + BL30 + BL31 + U-Boot as usual
<
f_>
but on `reset` from u-boot, BL2Z starts to get involved?
<
f_>
this is on `BL2 Aarch32 Built : 02:44:47, Jul 31 2023. gxl g20499a1 - jenkins@walle02-sh`..
<
f_>
Not a single mention of bl2z in the p212 BL2 binary I have reversed
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<
f_>
Okay ....maybe aquaman uses the proprietary amlogic emmc partition format thing I've been hearing so much about?
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<
f_>
phh: I have dumps of both boot0 and boot1, in case you're interested
<
f_>
But I don't see any occurence of "@AML" or "AMLC" at all
<
phh>
does `ent` command say entropy 8bit/byte on it?
<
f_>
It says "3.059870 bits per byte".
<
phh>
ah so not 100% encrypted
<
phh>
thoguh maybe the end is just 0s?
<
f_>
The end is zeros indeed
<
phh>
can you ent after removing the zeros?
<
f_>
> Entropy = 7.999791 bits per byte.
<
phh>
so yeah completely encrypted
<
f_>
looks like it, yep
<
f_>
So I suppose the bootROM decrypts that stuff before looking for a header.
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