Imran Desai

@kingod98 did you try a tpm2_pcrextend on the PCR and see if the values toggle? @williamcroberts is right, does the bios image you have enable measured boot?

Typically, platform hierarchy is closed in the PEI phase of the bios. The hierarchy is enabled and a random value is chosen as a password. An option to issue a...

The size of data sealed is limited to 128 bytes. Can you use a symmetric key instead? The other option is to import the private key into the TPM.

@simon-pau specifically what errors do you see and with what version of the tools?

> Thank you for sharing your valuable insights. > > I read [Protecting Secrets At Tpm Interface](https://tpm2-software.github.io/2021/02/17/Protecting-secrets-at-TPM-interface.html) article and tried the demo script while capturing packets using [SWTPM](https://github.com/stefanberger/swtpm) simulator. And...

Endorsement seeds can only be changed through a firmware update on a real TPM. This is not a normal event and the manufacturer will need to re-certify all the resulting...