On Wed, Aug 31, 2011 at 10:44 AM, Segall, Ariel E <[email protected]> wrote:
> Olga: The TPM itself has no on-disk key storage, although some
> applications may use the disk for key storage in an automated fashion. You
> are correct that the TPM only stores that limited set of keys inside the
> chip.
>
> This means that in the event of a hard-drive failure, the SRK should still
> be accessible, but any storage (or other user-created) keys that were on
> the hard disk will be lost unless they were backed up. However, the
> backups should be restorable without any trouble from the TPM perspective,
> and as you say, owner-evict keys are an exception.
>
> So if I find where the TPM stores the encrypted "blob" with all the storage
keys, copy it somewhere else, then re-install the OS, and then copy the
"blob" back, I should be able to use the same keys?
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