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This software is Copyright 2014-2017 Bright Plaza Inc.

This file is part of sedutil.

sedutil is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

sedutil is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with sedutil. If not, see

sedutil - The Drive Trust Alliance Self Encrypting Drive Utility

This program and it's accompanying Pre-Boot Authorization image allow you to enable the locking in SED's that comply with the TCG OPAL 2.00 standard on bios machines.

You must be administrator/root to run the host management program

In Linux libata.allow_tpm must be set to 1 for SATA-based drives, including NGFF/M.2 SATA drives.Either adding libata.allow_tpm=1 to the kernel flags at boot time or changing the contents of /sys/module/libata/parameters/allow_tpm from a "0" to a "1" on a running system if possible will accomplish this. NVMe drives do not need this parameter.

***** sleep (S3) is not supported.

Source code is available on GitHub at

Linux and Windows executables are available at

If you are looking for the PSID revert function see linux/PSIDRevert_LINUX.txt or win32/PSIDRevert_WINDOWS.txt

PLEASE SEE CONTRIBUTING if you would like to make a code contribution.