"salted session" was the keyword I was looking for!
Really thank you :)
"Steven Clark" <email@example.com> wrote on 08/02/2021 01:26:56 PM:
> I think it may be an optional standard but my TPM has some certs
> permanently stored in nv-indices in the 0x1c0000x range that can be
> checked against the manufacturer cert. I haven't learned how to
> leverage those into trusted parameter encryption keys yet but they
> should be able to verify there's a real TPM at the other end at the
> very least (and more if you learn to use them correctly).
The EK certificates in NV are in theory optional, but every TPM
I have encountered has them.
Checking the certificate against the manufacturer's CA is
a standard crypto library function.
Once you have an authentic EK, create a salted session using
Once you have the salted session, set the encrypt and/or decrypt bit
when running the command.
Underneath, there's some complicated crypto, but it's all
hidden from the application.
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