Mimi Zohar <zo...@linux.vnet.ibm.com> wrote:

> > As I understand the code, I think operations being performed from ->update()
> > are:
> > 
> >  (a) Resealing a key with a new pcrs (trusted).
> > 
> >  (b) Changing the master key (encrypted).
> > 
> > Mimi, Dmitry: is this list right?
> 
> In addition to resealing trusted keys to a new TPM PCR value, there are
> a few other options that can be modified (eg. keyauth, blobauth,
> pcrlock).  Encrypted keys can be encrypted/decrypted with a new master
> key (trusted or user key type).

Can (re)sealing a key be viewed as encrypting it?  Is the difference between
sealing a key and encrypting a key the use of hardware support?

David
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