[tpm2] Re: Lifecycle of handles and contexts

> On Mon, 2022-07-18 at 17:36 +0000, Kenneth Goldman wrote:
>
> It would help to have specific examples and your environment, very
> rarely do you ever need to be concerned with flushcontext calls. The
> details below will be very specific to Linux using a resource manager
> and the tpm2-tools. If your using the tpm2-tools you use a context
> file, so even if the object is flushed, when you call tpm2_unseal -c
> <context file> the context is loaded and object is created again. The
> context files are only good for that "tpm boot". The same is if your
> not using a resource manager, since the tpm2-tools act as a resource
> manager. This is so you can use transient objects between commands and
> have a resource manager automatically flush the transient resources.
> The end goal is that the behavior should appear the same with and
> without Resource Managers running in your scripts.

Indeed, I do use tpm2-tools on Ubuntu 20.04 LTS, with the kernel RM (no tpm2-abrmd).
This is exactly the confirmation I was looking for, thank you. I figured it was something like that otherwise I could not explain why it worked.