Messages in this thread | | | From | David Howells <> | Subject | Re: RFC: 'ioctl' for keyrings | Date | Fri, 14 Mar 2014 17:14:35 +0000 |
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Mimi Zohar <zohar@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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