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some udpates

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Ian 2021-06-16 19:31:40 +03:00
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TXT/start.md
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@ -277,6 +277,33 @@ You can do some very clever things with keys and data stored in the TPM NVRAM. T
Also a very good chance of breaking your boot sequence too....but this is what you want in this case :) Also a very good chance of breaking your boot sequence too....but this is what you want in this case :)
## Summary Install Sequence
The above scripts without the text - you might need to change the name of the ACM. Tboot and ACM assumed to be placed in the same directory, eg: `/tmp/tbootinstall` might be a good place.
Installation:
```bash
gunzip tboot-1.10.2.tar.zip
tar xvf tboot-1.10.2.tar
cd tboot-1.10.2
make
sudo make install
sudo /boot/grub/grub.cfg /boot/grub/grub.cfg.working
sudo grub-mkconfig -o /boot/grub/grub.cfg
unzip 6th_7th_gen_i5_i7-SINIT_79.zip
sudo cp 6th_7th_gen_i5_i7-SINIT_79.bin /boot
```
Post-Boot Check
```bash
tpm2_pcrread sha256:17,18
sudo ./txt-stat | grep "TXT measured launch"
sudo ./txt-parse_err
```
## Anecdotes ## Anecdotes
A friend of mine spent a couple of days trying to figure out why a top of the range PC would not perform the DRTM correctly using tboot. Tboot returned lots of odd errors and PCRs 17 and 18 were empty. TPM and TXT *were* enabled in BIOS so that wasn't the problem. A friend of mine spent a couple of days trying to figure out why a top of the range PC would not perform the DRTM correctly using tboot. Tboot returned lots of odd errors and PCRs 17 and 18 were empty. TPM and TXT *were* enabled in BIOS so that wasn't the problem.