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corna committed Jan 23, 2017
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# ME cleaner

A cleaner for Intel ME images.
A cleaner for Intel ME/TXE images.

This tools removes any unnecessary partition from an Intel ME firmware, reducing
This tools removes any unnecessary partition from an Intel ME/TXE firmware, reducing
its size and its ability to interact with the system.
It should work both with Coreboot and with the factory BIOS.
It should work both with coreboot and with the factory firmware.

Currently this tool:
* Scans the FPT (partition table) and checks that everything is correct
* Removes any partition entry (except for FTPR) from FPT
* Removes any partition except for the fundamental one (FTPR)
* Removes the EFFS presence flag
* Corrects the FPT checksum
* Removes any LZMA-compressed module (pre-Skylake only)
* Removes most of the Huffman-compressed modules (pre-Skylake only)
* Removes any non-essential LZMA or Huffman compressed module (pre-Skylake only)
* Checks the validity of the RSA signature of the FTPR partition

Don't forget to power cycle your PC after flashing the modified ME image (power
off and power on, not just reboot).
Don't forget to power cycle your PC after flashing the modified ME/TXE image
(power off and power on, not just reboot).

See the current status [in the wiki](https://github.com/corna/me_cleaner/wiki/me_cleaner-status).
See the [current status](https://github.com/corna/me_cleaner/wiki/me_cleaner-status)
or [a more detailed description](https://github.com/corna/me_cleaner/wiki/How-does-it-work%3F)
of me_cleaner.

Special thanks to Federico Amedeo Izzo for his help during the study of Intel
ME.
Special thanks to Federico Amedeo Izzo for his help during the study of Intel ME.

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