Install the sedutilAUR package, which contains the sedutil-cli tool, and helper scripts to create a custom pre-boot authorization (PBA) image based off the current operating system in use (e.g. for setting a custom console keymap). Alternatively, you can install sedutil solely for acquiring the sedutil-cli toolset, but download and use the precompiled PBA image (for BIOS or UEFI) provided by the Drive Trust Alliance.
The following steps will install a PBA image in your EFI/BIOS which will start before your system and prompt you for a password. If the password is correct, it will unlock the drive and reboot into the normal operating system boot loader.
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In some cases, the PBA will load, accept the password, and unlock the drives but when chain-loading to the decrypted operating system it will do a "cold" reboot which powers off the disks for a moment and result in the drives locking again. So you get stuck in a loop of always unlocking the drives but never booting from them.
Instead of using a PBA, the drive can be setup to only encrypt the root partition whilst leaving the /boot partition accessible. This way, the system can boot and a mkinitcpio hook used to unlock the drive before the rest of the boot sequence is completed. This has the advantage of not needing to install a PBA and reboot, and also allows for easier support of resume from S3 sleep.
It is important the EFI and/or /boot partitions have enough space to hold all of the kernel images you may want to install. It will not be possible to expand these later without destroying all of the data in the root partition, as the encryption headers would be overwritten.
For extra security, the EFI and/or /boot partitions can be locked as read-only. Identify the RANGE_START and RANGE_LENGTH in the same manner as for the root partition, then issue the following commands:
The following script also contains code for unlocking the boot range, which can be uncommented if needed.Additionally, if you need to be able to resume from sleep, you may need to slightly modify the below script. See #Preparing drive for sleep for more information and caveats about S3 sleep.
You may now reboot your system. If all goes well, the hook will prompt for a password to unlock your drive and then proceed with the rest of the boot process. If something went wrong, you can boot into the rescue system, manually unlock the drive, then reboot into your normal system using the default initcpio image and proceed to debug your system.
The easiest way is to boot the encrypted SSD first, in order to run the shadow MBR. Then press the key that prompts the boot menu and boot whatever device you prefer. Such a way the SED will be completely transparent.
If already using a mkinitcpio hook to unlock the drive on boot, then you can simply add code as below to the hook to also prepare the drive for sleep. Make sure this code is placed after the command that unlocks the ranges sedutil-cli --setlockingrange, otherwise it will fail. In this example, $pass is a variable containing the password for unlocking, while $1 is a variable containing the device to prepare for sleep, typically the root partition (e.g. /dev/sda1).
Hello, guys! I am currently working hard on my Xperia S. I want to unlock my bootloader, but not ready yet because I CANNOT INSTALL S1Boot Fastboot manually for my Xperia S. I am confused why, because it should work. How can I install it then?
Are you using the amended driver found in your Fastboot folder on your C: drive under usb_driver - You need to manually point it to this folder to install the correct driver but be quick about doing it as your device manager will only show the problem driver untill it can't find the correct driver in the dfault location
Assuming you have installed Fastboot then you now need to open your device manager - There are several ways to do this but one way is to right click my computer or computer left click properties then on the left choose device manager or if using XP select the tab Hardware then device manager - Now look for a yellow sysmbol which means a missing driver this will only show up when you connect your phone in fastboot mode - When it does show up right click this then select update driver and choose the manual method which says something like let me choose the path etc - Then using the manual method direct it to that folder you downloaded, If all goes well it will begin the driver update and yellow sysbol will disapear - Fastboot mode will now be fully working
My Sony Z3 compact got bricked after flashing firmware using flashtool. The phone won't turn on, no vibration or any sign of life on display, i have tried to hard reset by pressing small yellow button next to the simcard slot but with no luck. When i connect it to PC or charger red led light shows up for 2 sec and then it's gone. When i connect the phone with battery i see this in device manager USB COMPLANT HID - I can't get the phone to boot in fastboot by pressing power+vol up or flashmode by pressing power+vol down, so i am not able to use flashtool, pc companion or emma - the phone is just not detected. When i connect it without battery and without gordons gate driver i see in device manager QHSUSB_BULK, but when i install the gordons gate driver i see SEMC Flash device. So i figured out that i have to flash it using s1tool app in S1 emergengency mode... but when i try to do that with s1tool (version 06.02.2015 ) i got an error HARDWARE ID NOT SUPPORTED. 589ccfa754
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