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hongxu-jia and jiazhang0 layer.conf: update LAYERSERIES_COMPAT `sumo' -> `thud'
Since `9ec5a8a layer.conf: Drop sumo from LAYERSERIES_CORENAMES' and
`9867924 layer.conf: Add thud to LAYERSERIES_CORENAMES' applied in oe-core,
update LAYERSERIES_COMPAT `sumo' -> `thud'

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Latest commit c1a543f Oct 7, 2018


TPM 2.0

This feature enables Trusted Platform Module (TPM 2.0) support, including kernel option changes to enable tpm drivers, and picking up TPM 2.0 packages.

Trusted Platform Module (TPM 2.0) is a microcontroller that stores keys, passwords, and digital certificates. A TPM 2.0 offers the capabilities as part of the overall platform security requirements.

Clear TPM

For TPM 2.0, the following typical steps can be performed to get the TPM ready for use:

  • Clear and enable TPM from the BIOS or set the security jumper on the board.
  • Take TPM ownership, setting Owner/Endorsement/Lockout passwords if necessary. These passwords are used for the authorization to certain TPM 2.0 commands.
  # tpm2_takeownership -o <ownerPasswd> -e <endorsePasswd> -l <lockPasswd>

Then, you can use the TPM for a specific need, such as key generation, sealing encrypted data, etc.