I/Cryptfs ( 204): Signing safely-padded objectĭ/QSEECOMAPI: ( 204): QSEECom_dealloc_memoryĭ/QSEECOMAPI: ( 204): QSEECom_shutdown_app, app_id = 2ĭ/ ( 204): HW based disk encryption is enabledĭ/ ( 204): Success loading QSEECom_create_keyĭ/ ( 204): Success loading QSEECom_update_key_user_infoĭ/ ( 204): Success loading QSEECom_wipe_key I/Cryptfs ( 204): Using scrypt with keymaster for cryptfs KDFĭ/QSEECOMAPI: ( 204): QSEECom_get_handle sb_length = 0x2000ĭ/QSEECOMAPI: ( 204): App is already loaded QSEE and app id = 2 I repacked the boot image with some default.prop changes to enable full rooted debugging and got this log from a normal Android decrypt cycle:ĭ/Cryptfs ( 204): crypt_ftr->fs_size = 25920798
I'm not really sure where to take it from here.
TWRP should report that it was decrypted successfully meaning that we've properly generated a decrypt key but for some reason the resulting dm-0 block device is not readable. adb shell ln -sf /system/vendor /vendor and wait about 30 seconds then decrypt using the Decrypt button in the lower right.
Go to the mount page and mount system and firmware. Build and boot TWRP using these repos and cherry pick the patch set. The process for using this at this point is somewhat manual. I created this patch set to add some hardware decrypt methods to TWRP's decryption here: I pushed a couple of changes to my OnePlus One device files here: Unfortunately, the process for decrypting in hardware isn't all that well documented. If Developer Options doesn't show then go to Settings > Info/About Phone > tap the Build line 7 times quickly then go back to Settings > Developer Option and enable OEM Unlock and USB Debugging.The CM 12 nightly for supports some kind of hardware encryption methods that aren't present in AOSP. You must first enable OEM Unlock under Settings > Developer Options. I then tried to run in the command window, "fastboot flash recovery twrp-2.8.7.2-angler.img" and it returned: No matter what I do, I cannot get past this point. Listed, with the other stats, on the bootloader screen of the phone, it says "Device is LOCKED". When I enter "Flashboot Flashing Unlock", a list of commands are returned in the command window and nothing happens on the phone. While bootloader screen is on phone, I enter, from the "platform-tools" directory, into the command window, "Flashboot Devices" and the serial number is returned as expected. I've done all the prerequisites, Android SDK & USB drivers.
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