Editing Mounting HDD in Linux
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Unlike PS3, where every part of per-console security (including the HDD) is dictated by the eid_root_key, PS4 has two per-console keys for the HDD, one handled by SAMU (we cannot obtain this key | Unlike PS3, where every part of per-console security (including the HDD) is dictated by the eid_root_key, PS4 has two per-console keys for the HDD, one handled by SAMU (we cannot obtain this key atm) and the other handled by the South Bridge (Aeolia / Belize) which can be obtained. | ||
Here are described the steps to mount a PS4 HDD on PC using the cryptmount utility on Linux. | Here are described the steps to mount a PS4 HDD on PC using the cryptmount utility on Linux. | ||
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* preinst, preinst2, system, system(b), system_ex, system_ex(b) cannot be mounted as they use a key hidden in SAMU not eap_hdd_key. Cryptmount returns error device-mapper ioctl when trying with fstype=tmpfs. | * preinst, preinst2, system, system(b), system_ex, system_ex(b) cannot be mounted as they use a key hidden in SAMU not eap_hdd_key. Cryptmount returns error device-mapper ioctl when trying with fstype=tmpfs. | ||
* eap_vsh, update, user and eap_user can be mounted using cryptmount and eap_hdd_key. | * eap_vsh, update, user and eap_user can be mounted using cryptmount and eap_hdd_key. | ||
* eap_kern can be read directly | * eap_kern can be read directly wihtout mounting but anyway it remains an encrypted file that is decrypted by PS4 OS. | ||
* sda13 cannot be mounted for now. Investigation neeeded. It might be system_data partition and so would behave as system and system_ex. It might also be swap partition. | * sda13 cannot be mounted for now. Investigation neeeded. It might be system_data partition and so would behave as system and system_ex. It might also be swap partition. | ||
* sda17 and sda19 can be mounted with fstype=tmpfs but they are void. Investigation neeeded. | * sda17 and sda19 can be mounted with fstype=tmpfs but they are void. Investigation neeeded. | ||
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== Prerequisites == | == Prerequisites == | ||
* Per-console PS4 EAP HDD Key (check in your kernel dump and in | * Per-console PS4 EAP HDD Key (check in your kernel dump and in hxxps://github.com/Ps3itaTeam/ps4-kexec/blob/master/magic.h kern_off_eap_hdd_key offset) | ||
* A PC running a Linux Distribution (ex: ubuntu, xubuntu live) that supports cryptmount | * A PC running a Linux Distribution (ex: ubuntu, xubuntu live) that supports cryptmount | ||
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40 00 30 50 DE DB 76 EC 5A D3 D2 8B B3 86 60 D2 | 40 00 30 50 DE DB 76 EC 5A D3 D2 8B B3 86 60 D2 | ||
6B FA DD 0A 1F 3C 03 4B 59 A8 3D 44 04 AE D6 15 | 6B FA DD 0A 1F 3C 03 4B 59 A8 3D 44 04 AE D6 15 | ||
</pre> | </pre> | ||
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* Add write permission on cmtab file: | * Add write permission on cmtab file: | ||
<pre> | <pre> | ||
sudo chmod 777 / | sudo chmod 777 /dev/cryptmount/cmtab | ||
</pre> | </pre> | ||
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* Remove write permission on cmtab file: | * Remove write permission on cmtab file: | ||
<pre> | <pre> | ||
sudo chmod | sudo chmod 775 /dev/cryptmount/cmtab | ||
</pre> | </pre> | ||
* Mount PS4 "user" partition: | * Mount PS4 "user" partition: | ||
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} | } | ||
</pre> | </pre> | ||
{{Linux}} | {{Linux}} | ||
<noinclude>[[Category:Main]]</noinclude> | <noinclude>[[Category:Main]]</noinclude> | ||