LetsTrust

This site collect usefull scripts, links and TPM2 related stuff. Most relatet to the LetsTrust-TPM module for the Raspberry Pi. The latset update of the script installs also the tcti device for the LetsTrust-TPM2Go

News

1.1 LetsTrust-TPM With Raspbian Stretch Kernel >= 4.14.85 you'll get the TPM 2.0 support build in!

Six easy steps to activate your TPM on the Rapsberry Pi:

• Step one:
  • Open a (whatever) term on your Pi.
• Step two:
  • run a "sudo apt update && upgrade"
• Step three:
  • open the /boot/config.txt with "sudo nano /boot/config.txt"
  • activate SPI with
    • "dtparam=spi=on"
  • and load the TPM device tree overlay with
    • "dtoverlay=tpm-slb9670"
• Step four:
  • plug your LetsTrust-TPM on the right position and reboot your Raspberry Pi
• Step fife:
  • Open a (whatever) term on your Pi and type "ls /dev/tpm" and
• /dev/tpm0 and /dev/tpmrm0 will appear in yellow letters!
• Step six:
  • Be happy about your success!

1.2 LetsTrust-TPM2Go

The tpm2_all.sh will also install everything for the LetsTrust-TPM2Go. Futher informations could be found here: https://github.com/PaulKissinger/LetsTrust-TPM2Go

Scripts

• tpm2_all.sh

  • Installs the dependencies for tpm2-software [1]
  • Installs tpm2-tss (Tag: 4.1.3)
  • Installs tpm2-abrmd (Tag: 3.0.0)
  • Installs tpm2-tools (Tag: 5.7)

• How to patch a kernel (folder)

  • Inlcude some scripts to patch your kernel, example for Raspbian

• TPM_reset_with_GPIO.sh

  • Reset the LetsTrust-TPM with a pintoggle, only for development!

  [1] https://github.com/tpm2-software