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2

I looked at the onandroid script and it seems that it does a block-level copy of the data with dd only for partitions that are not mounted during the normal system operation (such as recovery partition) and copies the files on the filesystem level from the mounted ones - meaning it copies the decrypted content of the data partition and others and creates a ...


1

The solution of manually wiping the LUKS header provided by Naftuli Tzvi Kay works fine, except for one thing. I do not how what it depends on, but in my experience, Android keeps the LUKS header at the END of the partition. And if that is the case with your device, then running dd if=/dev/zero of=$PATH_TO_YOUR_USERDATA bs=4096 count=512 will fail to ...


0

According to the Android documentation it uses a default password of "default_password". This is obscured by a hash involving hardware encryption keys and a salt unique to your hardware signature. As already mentioned, this isn't very good security so there's not much point. Without securing your phone with a strong password to rehash the key, it's easy to ...



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